Graham County, AZ Building Permits, Zoning & Septic

Unincorporated Graham County, Arizona requires a building permit or appropriate land-use designation before a covered structure is built, altered, placed or used¹². County zoning, building codes and a certificate-of-occupancy inspection also apply within the county's jurisdiction³⁴⁵. Graham County Environmental Health issues conventional septic permits and inspects installations under authority delegated by Arizona⁶⁷.

At a glance

Building permit: Required for covered construction, alteration, placement or use in county land-use districts¹²
Zoning: County zoning applies in unincorporated areas under the Board's jurisdiction³⁸
Septic permit: Issued and inspected by Graham County Environmental Health under ADEQ delegation⁶⁷
RV living: A temporary RV residence requires a permit and is tied to construction of a permanent residence⁹
Tiny home: No separate county tiny-home occupancy rule was confirmed; ask Planning & Zoning how the proposed unit is classified³
Owner-builder: State contractor-licensing exemption may apply to an owner-occupied project, but county permits still apply¹⁰¹¹
Minimum lot size: Varies by zoning district¹²
Private well: Arizona requires the applicable ADWR well notice or permit¹³

Who to call

Building permits

Graham County Planning & Zoning

Building permits, mobile-home installation permits, zoning and land-use questions

928-428-0410

921 Thatcher Boulevard, 2nd Floor, Safford, AZ 85546

Septic permits

Graham County Health Department, Environmental Health Services

Reviews and approves plans for new and replacement septic systems, issues permits and inspects installed systems

928-428-0110

826 W Main Street, Safford, AZ 85546

Floodplain permits

Graham County Engineering

Floodplain questions and permits through the County Engineer

928-428-0410

General Services Building, 921 Thatcher Boulevard, Safford, AZ 85546

Roads & driveways

Graham County Highway Department

Encroachment permits for work in Graham County right-of-way

928-428-3652

3400 W 8th Street, Thatcher, AZ 85552

Contact details are copied from each office’s official page and were checked against it on September 28, 2026.

Do you need a building permit in Graham County, Arizona?

Yes. In unincorporated Graham County land-use districts covered by the zoning ordinance, you must obtain a building permit or appropriate land-use designation before erecting, constructing, reconstructing, altering, placing or using a structure². The application needs a construction sketch sufficient to demonstrate compliance with the land-use ordinance, and the county can withhold the permit when the proposal does not conform¹. Graham County has adopted building, residential, plumbing, mechanical, electrical and fire codes, with the Community Development Director serving as building official⁴. A residential, commercial or manufacturing use also needs a certificate of occupancy after inspection within the ordinance's covered area¹⁴. Incorporated municipalities may administer their own rules, so use the city or town office rather than the county for land inside municipal limits¹⁵.

Who is the Graham County building department, and how do you reach it?

Graham County Planning & Zoning is the county building office: it issues building permits and mobile-home installation permits from its office at 921 Thatcher Boulevard, 2nd Floor, Safford, AZ 85546; call 928-428-0410¹⁶. The county directs applicants to submit building and installation permits through its portal and to upload building plans, a plot-plan sketch and any power-of-attorney forms needed to avoid rejection¹⁷. Permit charges follow the county's published schedule, but the county labels that schedule as reference material and says the Board of Supervisors may adjust it by resolution, so confirm the current total before filing¹⁸. An issued permit allows one year to begin construction, and a renewal is treated as a new permit².

Does Graham County have zoning?

Yes. Graham County zoning governs unincorporated land under the Board of Supervisors' jurisdiction, while incorporated municipalities can have separate land-use rules⁸¹⁵. The parcel's district controls permitted and conditional uses, minimum lot area, setbacks, height and lot coverage¹⁹¹²²⁰²¹. Most listed agricultural and residential districts have a twenty-foot front setback along a road or access way, but district rules, corner-lot provisions and special setback maps can change the result²². On a residentially zoned lot where a single-family dwelling is allowed, Graham County permits an attached and a detached accessory dwelling unit by right; a lot of at least 1 acre may also have an additional detached unit, subject to zoning, building-code and septic-capacity requirements²³. Graham County's official materials do not establish a general minimum dwelling size or a special tiny-home occupancy rule, so ask Planning & Zoning to classify the proposed structure and identify the applicable district standards before buying or designing³¹⁶.

How do septic permits work in Graham County?

Graham County Environmental Health issues permits and inspects conventional onsite wastewater systems under authority delegated by the Arizona Department of Environmental Quality⁶⁷²⁴. Before construction starts, submit the site-investigation report, notice of intent to discharge, scale drawing and materials information, then pay for and pick up the permit²⁵. The county Health Department must inspect the completed system before it is backfilled, and successful final inspection leads to discharge authorization and a final record²⁶. Only eight percent of Graham County soils are rated without severe limitations for a conventional drain field, so a parcel-specific evaluation may point toward a different design²⁷. Contact Environmental Health at 826 W Main Street in Safford or 928-428-0110 before fixing the house site²⁸.

Can you live in an RV or tiny home on your land in Graham County?

An RV or travel trailer may serve as a temporary residence in unincorporated Graham County while a permanent home is being built, but the parcel must already have the permanent residence's site permit, the county requires a temporary RV permit, and Environmental Health must approve sanitary-waste disposal⁹. The temporary permit runs with the building process, may receive a six-month extension, and requires removal of the RV when the temporary approval expires⁹. Graham County's reviewed sources do not establish a separate occupancy category for a structure marketed as a tiny home, so Planning & Zoning must determine whether a proposal is a conventional dwelling, manufactured home, park model or another regulated type³¹⁶. Manufactured homes require an installation permit, must satisfy applicable HUD standards and are allowed only where the zoning classification permits them²⁹.

Building a home in Graham County: the steps, in order

Ask Planning & Zoning to confirm that the parcel is in county jurisdiction, identify its land-use district, and give you the applicable use, lot-size and setback standards¹⁶¹⁹.

Confirm legal access; work in Graham County right-of-way requires an encroachment permit from the Highway Department³⁰³¹.

Check the flood map before choosing a building pad because construction in a FEMA Special Flood Hazard Area needs a county floodplain permit³²³³.

Have Environmental Health evaluate onsite wastewater and obtain the septic permit before any septic construction begins²⁵²⁸.

Submit the building plans, plot-plan sketch and required authorization forms through the county's building-permit portal¹⁷.

Schedule required inspections and obtain the certificate of occupancy before residential occupancy⁵¹⁴.

What should you check before buying land in Graham County?

Start with jurisdiction and zoning because Graham County rules apply in unincorporated areas, while incorporated communities may use their own ordinances⁸¹⁵. Verify legal and physical access, and budget for an encroachment permit if the driveway enters county right-of-way³⁰. Check flood status with Engineering because building in a FEMA Special Flood Hazard Area requires a floodplain permit³²³³. Treat septic feasibility as a purchase condition: only eight percent of county soils are rated without severe limitations for conventional drain fields²⁷. For a private well, Arizona uses an ADWR notice or permit process depending on the well and location¹³. Graham County averages fifteen inches of annual precipitation and has experienced severe drought in about forty percent of measured years, making water planning central to a rural build³⁴³⁵.

Watch-outs

A temporary RV residence in unincorporated Graham County is tied to an active permanent-home project and approved waste disposal; it is not a general approval for indefinite RV living on vacant land⁹.
A county building permit does not replace septic, floodplain or right-of-way approvals when those conditions apply²⁵³²³⁰.
The owner-builder provision is an exemption from state contractor licensing, not from Graham County's permit or inspection requirements¹¹².

Sources

Written September 28, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

How Graham County scores

Seclusion72100% ev.

Self-Sufficiency29100% ev.

Admin Boringness49100% ev.

Durability37100% ev.

Property Autonomy65100% ev.

Carry Cost84100% ev.

Evidence strength: 100%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$309kTypical home

0.5%Property tax

$736Land / acre

15"Annual rain

39.7% of yrsSevere drought

35.3 / yr (+22.8)Mid-century 100°F days

47 daysMid-century dry spell

1.09" (+8.2%)Mid-century 1-day rain

1.18×Wildfire change factor

100%Forward climate coverage

$1,175Home insurance / yr

3.2% / yrInsurance growth

2.08%Nonrenewal rate

county median (2+ published ZIPs)Insurance basis

7,210Radius comparison (15 mi)

8.6People / sq mi

37.3%Federal land

51.6%Land at 15% slope or less

8%Septic soil without severe limits

213,087 acWorkable land screen

26.8%Wooded land

12.3 tonsBiomass / forest ac

61.7°FAvg temp

Answers from the rulebook for Graham County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Graham County rules

Building permitRequired
Erecting, constructing, reconstructing, altering, placing, or using a structure within a Graham County Land Use District covered by the County Planning and Zoning Ordinance.
- A Building Permit or appropriate Land Use designation must be obtained before the covered activity.
- The applicant must provide a sketch of the proposed construction sufficient to show compliance with the Land Use Ordinance.
- The Inspector issues the permit when the proposal appears to conform to the Zoning Ordinance; otherwise the permit may be withheld.
- A permit is good for one year from issuance to start construction; a renewal is handled as a new permit.
- Before issuance of a residential dwelling site or installation permit, the applicant must assure the County that an approved septic system is in place or will be installed before occupancy.
- The cited ordinance provision applies to structures within a Land Use District covered by the Ordinance; incorporated municipalities and other separately regulated areas may have separate rules.
permit validity to start construction: 1 year (A renewal permit is handled as a new permit.)
“It shall be unlawful to erect, construct, reconstruct, alter, place, or use any structure within a Land Use District covered by the Ordinance without first obtaining a Building Permit or appropriate Land Use designation from the Planning and Zoning Department.”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Building code adoptedAdopted (with conditions)
Graham County building-code jurisdiction, subject to the ordinance's stated code editions and specific limitations.
- The county adopts the 2003 International Building Code, 1994 Uniform Plumbing Code, 2003 International Mechanical Code, 2002 National Electrical Code, 2003 International Residential Code, 2003 International Existing Building Code, and 2003 International Fire Code.
- The 2003 International Energy Conservation Code was adopted by Resolution No. 2004-16 on September 7, 2004 for Graham County Government Buildings only.
- The Community Development Director is the building official, and the building official or authorized representative administers and enforces the Graham County Building Code.
- Violations are civil infractions under the ordinance.
International Building Code edition: 2003 · Uniform Plumbing Code edition: 1994 · International Mechanical Code edition: 2003 · National Electrical Code edition: 2002 · International Residential Code edition: 2003 · International Existing Building Code edition: 2003 · International Fire Code edition: 2003 · International Energy Conservation Code edition: 2003 (Graham County Government Buildings only)
“The Graham County Building Code, codified in this chapter, adopts by reference the International Building Code, 2003 edition, published by the International Code Council, Inc. together with the following national and international codes:”
Graham County Planning and Zoning Ordinance, Article 5.14 Building Codes ↗Re-checked Sep 24, 2026
InspectionsLimited
Inspection required before the County issues a Certificate of Occupancy for residential, commercial, or manufacturing occupancy under the cited Graham County ordinance.
- The ordinance expressly requires the Certificate of Occupancy to be issued after inspection.
- The inspection establishes conformity with the ordinance and helps ensure safety and health provisions are met before occupancy.
- This source confirms an inspection tied to Certificate of Occupancy issuance; it does not establish every construction-stage inspection requirement for every project type.
“The Zoning Official shall issue a Certificate of Occupancy, after inspection, establishing that the use of said property conforms with the provisions of this ordinance and to insure that all safety and health provisions are met prior to permitting the occupancy of any building or site for residential, commercial use or manufacturing purposes.”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Certificate of occupancyRequired
Occupancy of a building or site for residential, commercial, or manufacturing purposes within a Graham County Land Use District covered by the ordinance.
- For a residential dwelling, an approved septic system must be in place or scheduled for installation before occupancy is permitted.
- The Zoning Official issues the Certificate of Occupancy after inspection.
- The Certificate of Occupancy establishes conformity with the ordinance and ensures safety and health provisions are met before occupancy.
- The cited provision is limited to buildings or sites within a Land Use District covered by the County Ordinance.
“The Zoning Official shall issue a Certificate of Occupancy, after inspection, establishing that the use of said property conforms with the provisions of this ordinance and to insure that all safety and health provisions are met prior to permitting the occupancy of any building or site for residential, commercial use or manufacturing purposes.”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
County-wide zoningPresent (with conditions)
Graham County land within the boundaries of the county under the jurisdiction of the Board or in unincorporated areas.
- The Planning and Zoning Commission administers and enforces the ordinance under its jurisdiction.
- Land-use activity is subject to applicable land-use districts and zoning provisions.
- Structures generally require a building permit or appropriate land-use designation before erection, construction, reconstruction, alteration, placement, or use.
- Some land-use zones allow conditional uses requiring review by the Planning and Zoning Commission and approval by the Board of Supervisors.
“These regulations shall govern all land within the boundaries of Graham County, under the jurisdiction of the Board or the unincorporated areas.”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Local zoningVaries (with conditions)
County aggregate of local zoning: Graham County zoning applies within the county authority's jurisdiction, while incorporated municipalities may have separate local land-use rules.
- The county ordinance states that it governs land within Graham County under the jurisdiction of the Board or the unincorporated areas.
- The county Planning and Zoning Commission administers and enforces the ordinance under its jurisdiction.
- Applicable land-use districts determine permitted and conditional uses.
- Conditional uses require Planning and Zoning Commission review and Board of Supervisors approval.
“Title 17 - Zoning Ordinance Click the link below to access our complete zoning ordinance.”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Zoning districtsPublished (with conditions)
Graham County land-use districts and their applicable land-use regulations.
- The county ordinance establishes land-use regulations controlling which activities are permissible and how they may be conducted.
- The ordinance contains district-specific provisions, including A, A-R, R-R, R-E, R-U, R-SB, R-MH, R-M, SD, C-RE, C-N, C-G, C-M, M, and M-X land uses.
- District-specific minimum lot sizes, setbacks, permitted uses, conditional uses, manufactured-home restrictions, access, sanitation, and other conditions apply according to the applicable ordinance section.
- Use Permits may be required for uses that are permissible only as conditional uses in particular zoning districts.
A land-use minimum lot size: 1 acre (subject to conditional-use provisions) · A-R land-use minimum lot size: 1 acre · R-R land-use minimum lot size: 20000 square feet · R-U land-use minimum lot size: 6000 square feet · R-SB land-use minimum lot size: 6000 square feet · R-M land-use minimum lot size: 10000 square feet · M land-use minimum lot size: 5 acres · M-X land-use minimum lot size: 5 acres
“In order to classify and segregate the uses of land and buildings, the following Land Use Classifications are hereby established:”
Ordinances ↗Re-checked Sep 24, 2026
Minimum lot sizeDistrict specific (with conditions)
Lots and parcels in the county land-use classifications covered by the Graham County zoning ordinance in unincorporated Graham County.
- The ordinance states that the minimum area may differ by a lot-area combining land use shown on the Land Use Map.
- Special Development (SD) areas may approve 4,000-square-foot lots where permitted in connection with the SD land use.
- The ordinance's table footnotes state that manufactured homes are prohibited in R-SB and that new installation of pre-1976 mobile homes is prohibited in all land-use zones.
A and A-R minimum lot area: 1 acre · R-R and R-E minimum lot area: 20000 square feet · R-U and R-SB minimum lot area: 6000 square feet · R-MH minimum lot area: 5000 square feet · R-M, C-N and C-G minimum lot area: 10000 square feet · C-M minimum lot area: 1 acre · M and M-X minimum lot area: 5 acres · SD lot area where permitted: 4000 square feet (May be approved in connection with Special Development (SD) land use.)
“A 1 Acre 2 (30 ft.) 20 10 25 40% A-R 1 Acre 2 (30 ft.) 20 10 25 40% R-R 20,000 sq. ft. 2 (30 ft.) 20 10 25 40% R-E 20,000 sq. ft. 2 (30 ft.) 20 10 25 40% R-U 6,000 sq. ft. 2 (30 ft.) 20 10 25 50% R-SB* 6,000 sq. ft. 2 (30 ft.) 20 10 25 50% R-MH** 5,000 sq. ft. 20 10 10 60% R-M** 10,000 sq. ft. 20 10 15 70%”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
SetbacksSpecified
Structures and buildings in county land-use classifications in unincorporated Graham County.
- All land-use zones generally require a 20-foot front setback adjacent to a road or access way.
- Specific provisions take precedence over general setbacks.
- On corner lots, the secondary frontage may be allowed a 10-foot setback with Planning and Zoning Director permission; 20 feet may apply to both frontages when safety conditions warrant.
- Garages and carports facing street frontage must be at least 20 feet from the street frontage unless different yard requirements apply.
- Required plot plans must show front, side, rear, and accessory-building setbacks when applying for a building permit.
A, A-R, R-R, R-E, R-U, R-SB, C-RE front setback: 20 feet (Subject to specific provisions and recorded special setback maps.) · A, A-R, R-R, R-E, R-U, R-SB, C-RE side setback: 10 feet (Subject to specific provisions.) · A, A-R, R-R, R-E, R-U, R-SB, C-RE rear setback: 25 feet (Subject to specific provisions.) · R-MH side and rear setbacks: 10 side; 10 rear feet · R-M side and rear setbacks: 10 side; 15 rear feet · C-N and C-G front setback: 45 feet (Table shows side and rear as not specified.) · C-M front setback: 20 feet (Table shows side and rear as not specified.)
“All land use zones shall maintain a minimum 20 foot front setback when adjacent to a road or access way, which means no structure shall encroach on any front yard or side yard, except as provided for in 5.2.1.4.”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Lot coverageSpecified
Lot occupancy, defined by the ordinance as the percentage of lot area occupied by buildings or other covered structures, in unincorporated Graham County.
- The ordinance defines lot occupancy as the percentage of the lot occupied by all buildings or other covered structures.
- Open swimming pools are excluded when figuring percentages of lot coverage.
- The SD row is unresolved in the extracted table and requires the approved design and Special Development provisions.
A, A-R, R-R and R-E maximum lot occupancy: 40 percent · R-U and R-SB maximum lot occupancy: 50 percent · R-MH maximum lot occupancy: 60 percent · R-M maximum lot occupancy: 70 percent · C-RE maximum lot occupancy: 50 percent · C-N, C-G, C-M, M and M-X maximum lot occupancy: 100 percent
“LOT OCCUPANCY: This refers to the percentage of the area of a lot which is occupied by all buildings or other covered structures.”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Building heightSpecified
Building height limits in county land-use classifications in unincorporated Graham County.
- For A, A-R, R-R, R-E, R-U, R-SB, C-RE, C-N, and C-G, the table specifies two or three stories with a corresponding height in feet.
- The table states R-MH has no numeric height in the extracted row and that R-M and other double-asterisk classifications are to be determined with approval of design.
- Height limitations do not apply to listed non-habitable structures occupying no more than 25 percent of the roof area, subject to collapse-zone or engineer-certificate requirements.
A, A-R, R-R, R-E, R-U, R-SB and C-RE maximum height: 2 stories / 30 feet · C-N maximum height: 2 stories / 20 feet · C-G maximum height: 3 stories / 40 feet · C-M maximum height: 3 stories / 40 feet
“A 1 Acre 2 (30 ft.) 20 10 25 40% A-R 1 Acre 2 (30 ft.) 20 10 25 40% R-R 20,000 sq. ft. 2 (30 ft.) 20 10 25 40% R-E 20,000 sq. ft. 2 (30 ft.) 20 10 25 40% R-U 6,000 sq. ft. 2 (30 ft.) 20 10 25 50% R-SB* 6,000 sq. ft. 2 (30 ft.) 20 10 25 50%”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Living in an RVLimited
Residential occupancy of a recreational vehicle or travel trailer on property in unincorporated Graham County.
- A temporary site permit is required for an RV used as a temporary residence while constructing a permanent residence.
- A site permit for construction of a permanent residence on the same property must already have been issued.
- The sanitary waste disposal system must be reviewed and approved by the Graham County Health Department, and minimal utility requirements must be provided.
- The temporary site permit is issued concurrently with the building permit for the permanent residence.
- The permit may be extended for six months; the RV must be removed after the temporary site permit expires.
- Travel trailers used as residences must have kitchen and bathroom facilities and an approved sewage-disposal connection or a Health Department waste-disposal guarantee.
- No attached structural additions are allowed; the travel trailer must remain roadworthy and violations may result in removal.
initial temporary residence period: 12 months (During construction of a permanent residence; a separate Temporary Use Permit page also identifies up to 90 days for a temporary residence.) · possible extension: 6 months
“You must have a temporary RV permit as well as a building permit.”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Manufactured homesAllowed (with conditions)
Manufactured homes intended for human habitation in unincorporated Graham County.
- The manufactured home must meet HUD construction and safety standards.
- An installation permit is required, and the applicant must prove compliance to the Zoning Inspector.
- Manufactured homes are permitted in the county’s residential manufactured-home land-use classification, but R-SB prohibits manufactured and mobile homes.
- R-MH land use requires a manufactured-home subdivision, manufactured-home park, or travel-trailer park; R-MH areas must contain at least three acres and generally allow only one manufactured home per lot or parcel within the subdivision or park.
- Homes manufactured before June 15, 1976 cannot be moved according to the county FAQ.
minimum R-MH area: >= 3 acres · manufactured-home installation standard: HUD standards (Proof of compliance includes a HUD decal for a home manufactured on or after June 15, 1976.) · required sump pump: true (The ordinance attributes this requirement to HUD Manufactured Home Installation Standard 3285.203.)
“Manufactured Homes intended for human habitation at the location where placed.”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Accessory dwellingsAllowed (with conditions)
Attached and detached accessory dwelling units on residentially zoned lots in unincorporated Graham County where a single-family dwelling is allowed.
- One attached and one detached ADU are permitted by right; no public hearing, conditional-use permit, or special exception is required.
- One additional detached ADU is permitted on lots one acre or larger.
- ADUs remain subject to the county zoning ordinance and applicable building codes.
- The county Health Department must verify septic capacity before issuance of an ADU building permit.
- The ADU section does not apply to tribal land, military airport zones, or areas within a high-noise airport vicinity of 65 dB or greater.
- A manufactured home, mobile home, recreational vehicle, or park-model trailer may not be used as an ADU except as allowed under A.R.S. § 11-820.03.
- ADUs may not exceed 75 percent of the main dwelling’s gross floor area or 1,500 square feet, whichever limitation applies; rear and side setbacks must be at least five feet and front setback at least twenty feet.
additional detached ADU threshold: >= 1 acre · maximum ADU size: <= 75 percent of main dwelling gross floor area (Also limited to 1,500 square feet.) · maximum ADU size: <= 1500 square feet (Also limited to 75 percent of main dwelling gross floor area.) · side and rear setback: >= 5 feet · front setback: >= 20 feet
“One attached and one detached ADU shall be permitted by right”
Graham County Planning and Zoning Ordinance ↗Re-checked Sep 24, 2026
Who permits septicCounty
Conventional on-site wastewater systems, commonly known as septic systems, in Graham County.
- Graham County issues permits and conducts inspections under authority delegated by ADEQ.
- ADEQ retains statewide authority for the program and counties issue permits on ADEQ's behalf.
“Environmental Staff issue permits and inspect the installation and repair of conventional on-site wastewater systems otherwise known as septic systems.”
"O" Services ↗Re-checked Sep 24, 2026
Septic permitRequired
Construction or installation of a conventional septic system in Graham County.
- Construction on any part of the septic system or tank installation may not begin until the department has issued the permit and the permit has been paid for and picked up.
- A contractor must obtain the permit when a contractor is used; an owner may self-install on land the owner intends to occupy if applicable criteria are met.
- Rental property and property intended for resale within one year of completion must use a licensed contractor.
- The application requires a site investigation report and Notice of Intent to Discharge with requested information, a scale drawing showing relevant features and property lines, and a materials list.
- County review is attempted within ten business days, but Arizona allows 42 days for administrative completeness review and 31 days for substantive completeness review, for a total of 73 days.
- Conventional septic systems may be installed where no sewer serves the area or sewer connection would be impractical.
- If site conditions allow, connection to a sewer is required when an incorporated-community ordinance requires it, connection costs are less than $6,000, and the line installation cost is not more than $3,000.
administrative completeness review period: 42 days · substantive completeness review period: 31 days · total state review period allowance: 73 days · sewer connection cost threshold: < 6000 USD (Only where an incorporated-community ordinance requires connection and site conditions allow.) · wastewater-source-to-service-line installation cost threshold: <= 3000 USD (Only where an incorporated-community ordinance requires connection and site conditions allow.)
“Construction on any part of the septic system or tank installation shall not begin until a permit has been issued by the department and the permit has been paid for and picked up.”
Permit Requirements for the Installation of Septic Systems ↗Re-checked Sep 24, 2026
Septic inspectionRequired
New and replacement septic systems and septic-system construction in Graham County.
- The Health Department must perform final inspection or inspections after construction completion.
- The first inspection occurs when the septic tank is installed and visible and trenches are excavated; another occurs after disposal-pipe installation, although some systems need only one inspection depending on the system.
- Final inspection must occur before backfilling over the system.
- Inspection requests are not granted unless the septic permit has been paid for and picked up.
- After successful final inspection, the department issues verbal discharge authorization and creates a final septic-system record within 30 days.
final septic record issuance period: <= 30 days (After successful completion of the final inspection.)
“The Health Department must perform the final inspection(s) of the septic system upon completion of construction.”
Food and Sanitation ↗Re-checked Sep 24, 2026
Mandatory utility hookupConditional
Sewer connection in areas addressed by Graham County's septic-installation guidance.
- Conventional septic may be used where the area is not served by sewer or sewer connection would be impractical.
- A home or business must connect to sewer if site conditions allow, an incorporated-community ordinance requires connection, sewer connection costs are less than $6,000, and the wastewater-source-to-service-connection line installation cost is not more than $3,000.
- The cited rule concerns sewer connection; no countywide water-connection requirement was established in the opened official sources.
connection cost: < 6000 USD (All other conditions must also be met.) · line installation cost: <= 3000 USD (All other conditions must also be met.)
“If site conditions allow however, a home or business must connect to a sewer system if an ordinance of an incorporated community requires it, connection costs are less than $6,000, and the installation cost of constructing a line from the wastewater source to the service connection is not more than $3,000 (AAC R18-9-A309).”
Permit Requirements for the Installation of Septic Systems ↗Re-checked Sep 24, 2026
Driveway accessRequired
Driveways and access work using Graham County roads, dedicated streets, or county right-of-way/roadway.
- The requirement applies to use of Graham County roads or dedicated streets and work in county right-of-way/roadway.
- Approval is based on the current access use; a significant change of use or additional property development may require traffic studies, improvements, and resubmission.
- A complete permit package with specifications, drawings, approved site plans, and a traffic control plan must be present at the job site.
- Commercial and industrial access may require a traffic study, road widening, and improvements for turning lanes as determined by the County Engineer.
- The approach grade from the approach to the right-of-way may not exceed 6%.
- No driveway will be approved that causes a public hazard.
maximum approach grade: <= 6 percent
“To use Graham County Right-of-Way, an Encroachment permit is required.”
Driveway Permit ↗Re-checked Sep 24, 2026
Building in a floodplainRequired
Construction or development, including placement of manufactured homes, within a FEMA Special Flood Hazard Area in Graham County.
- A Floodplain Permit is required when building in a FEMA-designated Special Flood Hazard Area.
- A development permit must be obtained before construction or development begins, including placement of manufactured homes, within an SFHA established in Section 3.2.
- The County Engineer administers, implements, and enforces the flood damage prevention ordinance by granting or denying development permits.
- All other required state and federal permits must be obtained.
- The site must be reasonably safe from flooding.
- Where no floodway is designated, cumulative development may not increase the base-flood water-surface elevation by more than one foot at any point.
- An elevation certificate is required by NFIP if the home is in a FEMA-designated SFHA.
- Existing legal uses and certain reasonable repairs or alterations are subject to statutory exceptions described in Section 3.7.
maximum cumulative base-flood water-surface elevation increase where no floodway is designated: <= 1 foot (at any point)
“A Floodplain Permit is required when building in a FEMA designated SFHA.”
Floodplain Information ↗Re-checked Sep 24, 2026
Permit feesVariable (with conditions)
Graham County Planning and Zoning services and permits.
- The published schedule is stated to be for reference only as of August 2, 2022.
- The Board of Supervisors may adjust fees by resolution.
- A proposed 2026 fee schedule was noticed for a public hearing on October 19, 2026; the notice does not state that the proposed schedule is effective.
- Examples include residential building permits at $100 per square foot of value, a $100 administrative fee, MH installation at $700 including three inspections, and a temporary RV permit at $100 renewable annually if not on septic.
residential building permit: per 100 USD per square foot of value · commercial building permit: per 125 USD per square foot of value · utility garage and porches permit: per 50 USD per square foot of value · administrative fee: 100 USD (added to permit fee) · temporary RV permit: 100 USD (renewable annually if NOT on septic)
“The fee schedule is listed below for reference only as of August 2, 2022 and may be adjusted by the Board of Supervisors by resolution”
Fees ↗Re-checked Sep 24, 2026
Permit processPublished (with conditions)
County building and installation permit submissions administered by Graham County Planning and Zoning.
- Submit all building and installation permits through the county portal.
- Upload building plans, a plot plan sketch, and power of attorney forms or the submission may be rejected.
- Use permit applications are available through the Planning and Zoning office or by calling 928-428-0410.
- Temporary Use Permit applicants start the process with the Installation Permit portal.
“All building and installation permits are to be submitted using this portal.”
Permits & Hearing Forms ↗Re-checked Sep 24, 2026

Arizona rules that apply here

Owner-builder exemptionAvailable (with conditions)
An owner who improves property or builds or improves structures or appurtenances and performs the work personally, through the owner's employees, or through duly licensed contractors, when the property is intended solely for the owner's occupancy and is not intended for public occupancy, sale, or rent.
- The exemption is from Arizona contractor-licensing requirements under A.R.S. § 32-1121; it does not itself eliminate any local building-permit requirement.
- The structure or appurtenance must be intended for occupancy solely by the owner.
- The structure or appurtenance must not be intended for occupancy by members of the public as the owner's employees or business visitors.
- The structure or appurtenance must not be intended for sale or rent.
- Sale, rent, or an arrangement by which the owner receives compensation from occupancy or transfer is included in the statutory definition of sale or rent.
- Sale or rent, or an offer of sale or rent, within one year after completion or issuance of a certificate of occupancy is prima facie evidence that the project was undertaken for sale or rent.
one-year post-completion evidence period: 1 year (Applies to the statutory prima facie evidence rule concerning sale or rent.)
“who do the work themselves, with their own employees or with duly licensed contractors”
Persons not required to be licensed; penalties; applicability ↗Re-checked Sep 26, 2026
Camping on your landLimited
Parking and camping along open roads in closed areas governed by A.R.S. § 17-452 restrictions.
- Camping is allowed only along open roads in the specified closed areas.
- No vehicle may be parked or operated more than 300 feet from the road.
maximum distance from open road: <= 300 feet
“Parking and camping shall be allowed along open roads in closed areas, except that no vehicle shall be parked or operated at a distance greater than three hundred feet from such roads.”
A.R.S. § 17-455 — Exceptions ↗Re-checked Sep 9, 2026
Off-grid sanitationLimited
Residential gray-water reuse and alternative onsite sanitation technologies applicable in Graham County under Arizona rules.
- Private-residence gray-water use does not require a permit if the required best management practices are followed.
- Gray water must be used only for household gardening, composting, or landscape watering at the home; must not be publicly accessible or run off the property; and flow must be less than 400 gallons per day.
- Gray water may be used only where groundwater is at least five feet below the surface year-round and not in a floodway.
- Spraying gray water is prohibited; only flood or drip watering methods may be used.
- Water used to wash diapers or infectious garments must be discharged to a residential sewer line.
- Gray-water use must not change the design requirements for capacity and reserve areas of an onsite wastewater system serving black water.
- Arizona Type 4.03 includes composting toilets using a waterless toilet discharging human waste into an aerobic composting chamber; applicable permit and design rules still apply.
gray-water flow: < 400 gallons per day (Private residential use subject to all stated best management practices.) · minimum groundwater depth: >= 5 feet (Throughout the year and not in a floodway.)
“No, as long as you are only using gray water at your private residence, you only need to follow some required best management practices, which were developed to protect public health and the environment.”
Using Gray Water at Home ↗Re-checked Sep 24, 2026
Well permitLimited
Well drilling, deepening, replacement, modification, or operation in Graham County under Arizona Department of Water Resources rules.
- For a non-exempt well within an Active Management Area, ADWR lists an application for a permit to drill or operate under A.R.S. 45-599.
- For other well types inside or outside an Active Management Area, ADWR lists Notice of Intention form 55-40 for drilling, deepening, replacing, or modifying a well.
- Additional forms and certifications may apply to exempt wells, including the 55-40A certification for an exempt well within 100 feet of a water provider with an assured water supply and 55-40C certification for certain domestic-use exempt wells in an AMA.
“55-40 | 55-40 Notice of Intention to Drill, Deepen, Replace or Modify a Well”
Well Forms and Applications ↗Re-checked Sep 24, 2026
Agricultural exemptionConditional
Construction of a hoophouse or polyhouse used exclusively for producing and storing live plants in Arizona counties.
- The structure must not have a permanent anchoring system.
- No temporary or permanent storage of solvents, fertilizers, gases, chemicals, or flammable materials is allowed.
- The structure must not be wider than thirty-one feet and must have an unobstructed path of not more than one hundred fifty feet from any point to a door or fully accessible wall.
- The covering must be no greater than twelve mils thick, comply with NFPA 701, and provide approximately four pounds of maximum impact resistance for egress.
- Electrical or mechanical devices subject to county codes and backflow-prevention devices connected to potable water still require permits.
- The structure must comply with county height, setback, and lot-coverage requirements for detached accessory buildings or structures.
- A county may establish an administrative review process.
maximum width: <= 31 feet · maximum unobstructed path to exit: <= 150 feet · maximum covering thickness: <= 12 mils
“construction of a hoophouse or polyhouse is exempt from county building permit requirements”
11-324 - Building permits; hoophouses; polyhouses; exemption; existing zoning regulations; compliance; administrative review; definitions ↗Re-checked Sep 9, 2026
4 more reviewed findings on this topic
- Conditional — Certain construction or operation incidental to farming, dairying, agriculture, viticulture, horticulture, stock or poultry raising, and related rural fire-prevention work in Graham County, under the statewide Arizona exemption in A.R.S. § 11-865.
  “This article does not apply to: 1. Construction or operation incidental to construction and repair to irrigation and drainage ditches or appurtenances thereto, of regularly constituted districts or reclamation districts, or to farming, dairying, agriculture, viticulture, horticulture or stock or poultry raising, or clearing or other work on land in rural areas for fire prevention purposes.”
  A.R.S. § 11-865 — Exemptions; exception ↗Re-checked Sep 24, 2026
- Conditional — County zoning ordinances authorized under A.R.S. chapter 11; use or occupation of land or improvements for general agricultural purposes on tracts of five or more contiguous commercial acres.
  “Prevent, restrict or otherwise regulate the use or occupation of land or improvements for [...] general agricultural purposes, if the tract concerned is five or more contiguous commercial acres.”
  A.R.S. § 11-812 — Restriction on regulation; exceptions; aggregate mining regulation; definitions ↗Re-checked Sep 26, 2026
- Conditional — Construction or operation incidental to irrigation and drainage ditches, farming, dairying, agriculture, viticulture, horticulture, stock or poultry raising, and specified rural fire-prevention work under the building-code article referenced by A.R.S. § 11-865.
  “This article does not apply to: 1. Construction or operation incidental to [...] farming, dairying, agriculture, viticulture, horticulture or stock or poultry raising”
  A.R.S. § 11-865 — Exemptions; exception ↗Re-checked Sep 26, 2026
- Available (with conditions) — Leasing agricultural lands under Arizona's statutory definition of subdivision or subdivided lands.
  “(c) Does not include: [...] (iii) The leasing of agricultural lands or apartments, offices, stores, hotels, motels, pads or similar space within an apartment building, industrial building, rental recreational vehicle community, rental manufactured home community, rental mobile home park or commercial building.”
  32-2101 - Definitions ↗Re-checked Sep 26, 2026
Subdividing landRegulated (with conditions)
Creation or proposed creation of six or more lots, parcels, or fractional interests in Arizona for sale or lease.
- Before offering subdivided lands for sale or lease, the subdivider must notify the commissioner in writing of the intention and provide the information required by A.R.S. § 32-2181.
- A creation of six or more lots, parcels, or fractional interests is subject to the article regardless of lot size unless an enumerated exception applies.
- Exceptions include each resulting lot, parcel, or fractional interest being at least thirty-six acres on a partition basis, foreclosure or deed-in-lieu transactions, valid court orders or operation of law, specified mineral interests, securities registrations or exempt transactions, a commissioner special-order exemption, or a sale or lease occurring ten or more years after another non-subject sale or lease absent evidence of intent to subdivide.
- If located in an active management area, the notice generally requires a certificate of assured water supply and proof of applicable fees, unless an applicable written water-service commitment or statutory exemption applies.
- Outside active management areas, additional adequate-water-supply reporting or disclosure requirements may apply depending on county or municipal adoption and water-supply findings.
- A person or group acting in concert may not evade the subdivision laws by using a series of owners or conveyances.
lots or parcels: >= 6 lots or parcels (Subject to statutory exceptions.) · minimum excluded lot area: >= 36 acres per lot or parcel (Partition basis, including contiguous dedicated roads or easements.)
“Before offering subdivided lands for sale or lease, the subdivider shall notify the commissioner in writing of the subdivider's intention. [...] A creation of six or more lots, parcels or fractional interests in improved or unimproved land, lots or parcels of any size is subject to this article except when:”
32-2181 - Notice to commissioner of intention to subdivide lands; unlawful acting in concert; exceptions; deed restrictions; definition ↗Re-checked Sep 26, 2026
One more reviewed finding on this topic
- Regulated (with conditions) — Land in Arizona divided or proposed to be divided for sale or lease into six or more lots, parcels, or fractional interests, together with qualifying county land-division reviews.
  “Before offering subdivided lands for sale or lease, the subdivider shall notify the commissioner in writing of the subdivider's intention.”
  32-2101 - Definitions ↗Re-checked Sep 9, 2026
Campground & park staysLimited
The Arizona Recreational Vehicle Long-Term Rental Space Act applies to a recreational-vehicle space rented in a recreational-vehicle park or mobile-home park by the same tenant for more than 180 consecutive days, and to park-model or park-trailer spaces rented by the same tenant for more than 180 consecutive days.
- For an ordinary recreational-vehicle space, the space must be rented under a rental agreement.
- For a park model or park trailer, the chapter applies without regard to whether a rental agreement is executed.
- The chapter does not apply to mobile homes, manufactured homes or factory-built buildings.
- The chapter does not apply to a property with one or two recreational-vehicle rental spaces.
occupancy duration: > 180 consecutive days · same tenant: required · property recreational-vehicle rental spaces: <= 2 spaces (The chapter does not apply to a property with one or two recreational-vehicle rental spaces.)
“This chapter applies to, regulates and determines rights, obligations and remedies for a recreational vehicle space that is rented in a recreational vehicle park or”
33-2101 - Application; duration of stay; exclusions; notice and pleading requirements ↗Re-checked Sep 26, 2026
One more reviewed finding on this topic
- Limited — Occupancy or use of a mobile home brought into Arizona, or movement of a mobile home from one Arizona mobile-home park to another Arizona mobile-home park.
  “unless it meets the standards adopted pursuant to this chapter and displays the proper state certificate.”
  41-4048 - Violation; classification; penalty ↗Re-checked Sep 26, 2026
county zoning authorityGeneral
Arizona county boards of supervisors adopting zoning for the county area outside incorporated municipalities, including unincorporated land.
- The statutory definition of county area of jurisdiction is the part of the county outside the corporate limits of any municipality.
- The zoning ordinance and rezonings and zoning-regulation amendments must be consistent with and conform to the adopted comprehensive plan.
- The board must consider individual property rights and personal liberties before adopting a zoning ordinance.
- The statute does not authorize dedications, exactions, fees, or other requirements not otherwise authorized by law.
- The statute does not authorize regulation or restriction of railroad, mining, metallurgical, grazing, or general agricultural uses on tracts of five or more contiguous commercial acres, subject to the statutory cannabis and marijuana qualification.
“Pursuant to this article, the board of supervisors may adopt a zoning ordinance in order to conserve and promote the public health, safety, convenience and general welfare.”
11-801 - Definitions ↗Re-checked Sep 26, 2026
county building authorityGeneral
Arizona county boards of supervisors requiring building permits and adopting building, related, and fire-prevention codes for construction in unincorporated areas, including residential construction.
- Except in cities and towns with an ordinance relating to building permits, the board of supervisors shall require a permit for construction or additions exceeding $1,000 within its jurisdiction.
- A county building code under section 11-861 applies to unincorporated areas of the county so zoned, and the board may exempt areas zoned rural or unclassified.
- Building codes may be adopted by reference only after notice and hearings before the county planning and zoning commission and board of supervisors.
- Authorized building, electrical, plumbing and mechanical codes must be adopted by a qualifying national code organization or by the largest city in the county; if a city code is adopted, the county must adopt notified changes within 90 days or terminate the adopted city code.
- A fire-prevention code may be adopted in unincorporated areas where a fire district has not adopted a nationally recognized fire code; it remains effective until a fire district is established and adopts an applicable code.
- The board may adopt a current wildland-urban interface code using written public-participation procedures.
- Certain single-family and two-family residential sprinkler requirements are restricted, subject to the statutory exception for codes adopted before December 31, 2009.
- A county may not deny a building permit based on the proposed capable and authorized utility provider, and may not require a transaction privilege tax or business license as a permit condition.
- A county may recover reasonable costs associated with reviewing and issuing a building permit.
building permit construction-cost threshold: > 1000 USD (The requirement does not apply in cities and towns that have an ordinance relating to issuance of building permits.) · city-code change adoption deadline: 90 days (If the county adopts a city code and does not adopt the same notified change within 90 days, it must terminate the adopted city code.) · preexisting sprinkler-code exception date: 2009-12-31 (The statutory sprinkler restriction does not apply to a code or ordinance requiring sprinklers in a residence that was adopted before December 31, 2009.)
“In any county that has adopted zoning pursuant to this chapter, the board of supervisors may adopt and enforce, for the unincorporated areas of the county so zoned, a building code and other related codes to regulate the quality, type of material and workmanship of all aspects of construction of buildings or structures, except that the board may authorize that areas zoned rural or unclassified may be exempt from the provisions of the code adopted.”
11-321 - Building permits; issuance; state preemption; utilities; distribution of copies; subsequent owner; limitation; definition ↗Re-checked Sep 21, 2026

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

Minimum dwelling size — Minimum dwelling size in unincorporated Graham County.
Tiny homes — Occupancy of structures described as tiny homes in unincorporated Graham County.
Short-term rentals — Short-term rental use in Graham County, including unincorporated county areas.

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Water rights & wells in Graham County

Whether a new home can legally get its own water here — the sub-state groundwater regime, from Arizona’s water agency.

Actively managed

This basin is under active state management — new water use is scrutinized, though a domestic well is usually still allowed.

Household wellExempt — no permit or water right

Small non-irrigation 'exempt' wells (pump capacity 35 gpm or less) are allowed statewide, including inside Active Management Areas and INAs, but must be registered with ADWR; outside any AMA/INA groundwater is essentially rule of capture. Inside an AMA a new subdivision or large use must show an Assured Water Supply.

Limit: exempt well = pump capacity 35 gpm or less (A.R.S. §45-454)

Arizona Dept of Water Resources — Exempt Well ↗

Willcox Active Management Areapartial of county
Newest administratively-designated AMA (effective Jan 1, 2025); new large/subdivision groundwater uses become subject to ADWR authorization and Assured Water Supply rules; small domestic exempt wells (≤35 gpm) still allowed.
Arizona Dept of Water Resources — AMA Overview ↗

Prior-appropriation state (first in time, first in right). Groundwater rules change and basin boundaries follow the aquifer, not the county line — confirm current well and appropriation rules with the Arizona state water agency before you buy or drill.Groundwater governance as of Jul 2026, cited to each administering agency.

Living off-grid in Graham County, Arizona

Is Graham County a good place to live off-grid or homestead?

Graham County scores 53/100 on the Bolthole Index, a solid county profile. Its strengths: manageable long-term carry cost and sparse surroundings — about 7,210 people within 15 miles. Watch-outs: thin water margin (15″/yr rainfall) and elevated mid-century heat, water, rain, or wildfire exposure.

Do you need a building permit in Graham County, Arizona?

Graham County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Graham County Department of Health and Human Services, Environmental Health Services (ADEQ-delegated). Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

Can you live in an RV or tiny home on your land in Graham County?

Living in an RV on your own land in Graham County is limited to specific cases: Residential occupancy of a recreational vehicle or travel trailer on property in unincorporated Graham County. A temporary site permit is required for an RV used as a temporary residence while constructing a permanent residence. A site permit for construction of a permanent residence on the same property must already have been issued. Confirm with the county before relying on it.

How much does land cost in Graham County, Arizona?

Land in Graham County runs about $736 per acre, based on the latest county data.

What is the water situation in Graham County?

Graham County gets about 15" of rain a year, with severe drought in roughly 39.7% of years. On water rights, Graham County lies in the Willcox Active Management Area — Newest administratively-designated AMA (effective Jan 1, 2025); new large/subdivision groundwater uses become subject to ADWR authorization and Assured Water Supply rules; small domestic exempt wells (≤35 gpm) still allowed..

How remote is Graham County?

A typical private-land location has about 7,210 people within 15 miles and 3,209,836 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

Building permits, zoning and land rules in Graham County, Arizona

At a glance

Who to call

Do you need a building permit in Graham County, Arizona?

Who is the Graham County building department, and how do you reach it?

Does Graham County have zoning?

How do septic permits work in Graham County?

Can you live in an RV or tiny home on your land in Graham County?

Building a home in Graham County: the steps, in order

What should you check before buying land in Graham County?

Watch-outs

Sources

Graham County in Arizona

How Graham County scores

Find land. Bring the promising ones back.

Parcel due diligence

Answers from the rulebook for Graham County

Graham County rules

Arizona rules that apply here

Still unanswered

Water rights & wells in Graham County

Living off-grid in Graham County, Arizona

Is Graham County a good place to live off-grid or homestead?

Do you need a building permit in Graham County, Arizona?

Can you live in an RV or tiny home on your land in Graham County?

How much does land cost in Graham County, Arizona?

What is the water situation in Graham County?

How remote is Graham County?

How Graham compares in Arizona