Kane County, UT Building Permits, Zoning & Septic

Kane County, Utah requires permits for specified projects, including water-heater replacement, solar installation, electrical-panel replacement, furnace work and certain accessory structures¹. Unincorporated Kane County is zoned, and the county may withhold a building permit from improperly divided land until it complies with current land-use and subdivision ordinances². Southwest Utah Public Health Department issues septic permits for Kane County³.

At a glance

Building permit: Required for specified projects; ask the Building Department if your project is not listed¹
Zoning: County land-use rules apply in unincorporated Kane County²
Septic permits: Southwest Utah Public Health Department³⁴
RV living: Limited in residential zones, with seasonal rules and temporary-use permits⁵
Tiny home on a trailer: Treated as an RV under county rules⁶
Owner-builder: Conditional licensing exemption available; file the county form⁷
Private well: A valid water right and state Start Card are required before construction⁸
Septic soil suitability: 9.5% of soils avoid severe conventional drain-field limits⁹

Who to call

Building permits

Kane County Building Department

Online building-permit applications, permit status and inspection requests

435-644-4985

76 North Main Street, Kanab, UT 84741

Planning & zoning

Kane County Land Use Authority

Land-use applications, zoning administration and Planning Commission agenda review

435-644-4966

76 N Main, Kanab, UT 84741

Septic permits

Southwest Utah Public Health Department Environmental Health

Septic plan review, permits, inspections and system records for Kane County

(435) 296-5477 ext. 3226

Contact details are copied from each office’s official page and were checked against it on September 27, 2026.

Do you need a building permit in Kane County, Utah?

Kane County expressly requires permits for water-heater replacement, meter-base installation, solar-panel installation, replacement of an old electrical panel, furnace installation or replacement, and a non-habitable accessory structure of 200 square feet with a primary residence when it has no electrical or plumbing¹. The county page does not give a comprehensive answer for every possible project, so call the Building Department at 435-644-4985 when your work is not on that list¹⁰. Utah also requires local compliance agencies to issue permits for construction covered by the State Construction Code¹¹. A structure used solely for agriculture and not for human occupancy may qualify for a state construction-code exemption, although plumbing, electrical or mechanical work may still require permits and tract-specific exceptions apply¹².

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

The Kane County Building Department is at 76 North Main Street, Kanab, UT 84741, and its permit-question phone number is 435-644-4985¹⁰. Building applications are online because the county no longer accepts paper applications, and applicants use their online account to request inspections or check permit status¹⁰. The reviewed county process also says applications that fail the listed Utah statutory submission requirements will be rejected¹³. Building-inspection details remain partly unconfirmed: the county offers online inspection requests, but the reviewed material does not say which projects require inspections or whether every project needs a final inspection. Ask the Building Department for the inspection sequence before covering work¹⁰.

Does Kane County have zoning?

Yes. Kane County regulates land use in unincorporated areas, where the Planning Commission reviews and recommends general-plan and land-use regulations². The Administrative Land Use Authority processes administrative applications, while legislative decisions go through the Planning Commission for a recommendation and then to the County Commissioners for a final decision¹⁴. Complete items for a Planning and Zoning Commission agenda must arrive at least 3 weeks before the Land Use Authority meeting¹³. Incorporated municipalities may administer separate rules, so do not apply the unincorporated-county answer to land inside a city or town¹⁴. Kane County publishes an official zoning map, but the map says parcel compliance is not guaranteed; verify current zoning and parcel size with the Recorder's Office or Land Use Authority¹⁵.

How do septic permits work in Kane County?

Southwest Utah Public Health Department handles onsite wastewater permitting for Kane County and reviews plans, issues permits, conducts inspections and keeps septic records⁴¹⁶. Call the Kane County Environmental Health contact at (435) 296-5477 ext. 3226¹⁶. A permit and approved design are required before installing, replacing or modifying a septic system, and soil and percolation testing must be completed by a Utah-certified onsite professional before design or installation¹⁷. Only 9.5% of Kane County soils avoid severe USDA limitations for a conventional drain field, so establish feasibility before fixing a house location or purchase budget⁹. An approved onsite system can serve off-grid land where public sewer is not used, but alternative sanitation technologies are not automatically authorized¹⁸.

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

Occupied RVs in unincorporated Kane County residential zones are generally limited to an RV park, manufactured or mobile-home park, designated camping area, or an exception allowed by the county code⁵. Seasonal use allows no more than 2 RVs for no more than 6 consecutive months in a calendar year, without rent, subject to setbacks, culinary water, approved septic, electrical safety, licensing and storage requirements⁵. A temporary-use permit can authorize longer occupancy or more RVs under stated conditions, and living in an RV while building requires the building permit before the temporary-use permit⁵. Kane County treats a tiny home on a trailer as an RV⁶. Occupancy rules for a tiny home on a permanent foundation remain unconfirmed; ask the Land Use Authority how the parcel's zone treats the proposed dwelling¹⁹.

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

Confirm that the parcel is unincorporated, verify its zoning and legal parcel status with the Kane County Land Use Authority, and resolve any improper division before expecting a building permit²¹⁹.
Confirm legal access; a new connection or changed access intensity along a state highway requires a UDOT conditional access permit²⁰.
Secure water: a private well requires a valid water right, and the state Start Card functions as the construction permit⁸.
Complete certified soil and percolation testing, then obtain the septic permit and approved design before installation¹⁷.
Submit the building application online; paper applications are not accepted¹⁰.
If acting as owner-builder, file the county certification form and satisfy its personal-use and construction-history conditions⁷.
Request inspections through the permit account and ask the Building Department which inspections apply before covering work¹⁰.

What should you check before buying land in Kane County?

Verify zoning and legal parcel status first because Kane County may withhold a building permit from improperly divided land until current land-use and subdivision requirements are met². Test septic feasibility early because only 9.5% of county soils avoid severe conventional drain-field limitations⁹. Confirm a water right before assuming a domestic well can be drilled⁸. Ask the Building Department about floodplain review and ask the appropriate road authority about county-road driveway requirements, because county-specific rules for those topics remain unconfirmed¹⁰. Kane County has 2.1 people per square mile and 88.5% federal land, making recorded access, boundaries and adjacent public-land ownership especially important to verify²¹²². The effective property-tax rate is about 0.4%, and the median annual property-tax bill is $1,470²³²⁴.

Watch-outs

Kane County does not publish a comprehensive permit list on the reviewed building page; call the Building Department at 435-644-4985 if your project is not expressly listed¹⁰.
A tiny home on a trailer is regulated as an RV, while permanent-foundation tiny-home occupancy and a countywide minimum dwelling size remain unconfirmed; ask the Land Use Authority before buying⁶¹⁹.
A building permit may be withheld for a structure on improperly divided land until the parcel complies with current land-use and subdivision ordinances².

Sources

Written September 27, 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 Kane County scores

Seclusion84100% ev.

Self-Sufficiency2499% ev.

Admin Boringness53100% ev.

Durability17100% ev.

Property Autonomy60100% ev.

Carry Cost75100% 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 →

$435kTypical home

0.4%Property tax

$4,475Land / acre

12.1"Annual rain

33.2% of yrsSevere drought

17.8 / yr (+12.8)Mid-century 100°F days

37.8 daysMid-century dry spell

0.85" (+8.1%)Mid-century 1-day rain

1.15×Wildfire change factor

100%Forward climate coverage

$1,168Home insurance / yr

3.9% / yrInsurance growth

1.34%Nonrenewal rate

county median (2+ published ZIPs)Insurance basis

886Radius comparison (15 mi)

2.1People / sq mi

88.5%Federal land

45.4%Land at 15% slope or less

9.5%Septic soil without severe limits

156,564 acWorkable land screen

20.2%Wooded land

13.3 tonsBiomass / forest ac

52.9°FAvg temp

Answers from the rulebook for Kane County

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

Kane County rules

Building permitLimited
Specified building and accessory-structure projects administered by Kane County Building Department.
- Kane County expressly lists water heater replacements, meter base installations, solar panel installations, replacement of an old electrical panel, furnace installation or replacement, and certain non-habitable accessory structures as requiring permits.
- The accessory-structure entry applies to a 200-square-foot structure with a primary residence and excludes electrical or plumbing.
- The page does not state a comprehensive permit rule for every type of construction; applicants are directed to contact the Building Department if unsure.
- Kane County has adopted the 2021 International Building Code, 2021 International Residential Code, 2020 National Electric Code, 2021 International Plumbing Code, 2021 International Mechanical Code, and 2021 International Fire Code, with all other codes as adopted by Utah State Code.
accessory structure size: 200 square feet (non-habitable, without electrical or plumbing, with primary residence)
“The following projects are required to be permitted by Kane County: Water heater replacement; Meter base installation; Solar panel install; Replacing an old electrical panel; Furnace install/replacement; Accessory structures (non-habitable, without electrical or plumbing): 200 square feet with primary residence.”
Building Department | Kane County, UT ↗Re-checked Sep 24, 2026
Owner-builder exemptionConditional
Owner-builders undertaking new residential construction or a remodel/addition administered through the Kane County Building Department.
- The form covers new residential construction and remodel or addition by the owner.
- For new residential construction, the owner must be the sole owner of the property and construction project.
- For new residential construction, the project must be the only residential structure the owner has built that year.
- The owner must not have built more than three residential structures in the past five years.
- The improvements must be intended for and used for the owner's personal, non-commercial, non-public use.
- Work must be performed by the sole owner, a licensed contractor, covered employees, or another person working under the owner's supervision for no compensation or only token compensation.
- Retaining an unlicensed contractor or compensating an unlicensed person for work requiring licensure may constitute a Class A misdemeanor and may result in an administrative fine of up to $2,000 for each day of violation.
- The form must be filed with the Building Department.
residential structures built in past five years: <= 3 structures (the form states the owner must not have built more than three residential structures in the past five years) · administrative fine: <= 2000 USD per day (for violations involving unlicensed construction work described in the form)
“For New Residential Construction Only. I am the sole owner of the property and construction project at the above described location; the project described is the only residential structure I have built this year; I have not built more than three residential structures in the past five years.”
Owner/Builder Certification Agreement to Comply with the Construction Trades Licensing Act ↗Re-checked Sep 24, 2026
County-wide zoningPresent (with conditions)
Kane County land-use and zoning regulation in the unincorporated area.
- The Planning Commission reviews and recommends land-use regulations for the unincorporated area.
- Administrative applications are processed by the Administrative Land Use Authority; legislative decisions are reviewed by the Planning Commission and recommended to the County Commissioners for final decision.
- Land-use ordinances are identified by the county as Title 9 of the Kane County Code.
- Kane County will not issue building permits for structures on improperly divided land until the developer complies with current Land Use and Subdivision Ordinances.
“The Planning Commission is a seven-member advisory board that reviews and makes recommendations for the general plan and land use regulations in the unincorporated area of the county.”
Planning Commission | Kane County, UT ↗Re-checked Sep 24, 2026
Local zoningVaries (with conditions)
Aggregate local zoning conclusion for Kane County: county zoning and land-use regulations apply in unincorporated areas, while incorporated municipalities may administer their own local rules; this claim does not attribute municipal ordinances to Kane County.
- The county source expressly limits the Planning Commission's land-use-regulation role to the unincorporated area.
- County land-use applications may require review by the Administrative Land Use Authority, Planning Commission, County Commissioners, County Engineer, and County Attorney's office, depending on the application.
- The county code library identifies Title 9 as Land Use and was current through Ordinance O-2026-12 passed 2026-04-28 when retrieved.
“For the purposes of this ordinance, the territory of the City of Kanab to which this Ordinance applies is divided into the following zoning districts:”
Planning Commission | Kane County, UT ↗Re-checked Sep 24, 2026
Zoning districtsPublished (with conditions)
Approved zoning districts shown on Kane County's official Grand Staircase-Escalante Zoning Map for county-administered areas.
- The map lists AG-10-NC, AG-5, C-1, C-1-NC, C-2, ESC-AG, EXEMPT, MM-2, MUNICIPALITY, NPS, R-1, R-1/2, R-2, R-2-NC, R-5, RD-PVT, and ROW.
- Individual parcels must be checked with the Recorder's Office or Land Use Authority Department to verify size and current zoning.
- Some parcels may be too small to show visibly on the map.
- The map states that data accuracy is not guaranteed.
- The map is an official representation of approved zones only and does not establish parcel compliance with state code, county ordinances, or other law.
- No building permit will issue until a lot or parcel complies with both state code and county ordinance.
- The map is dated April 7, 2014.
map date: April 7, 2014
“This map is an official representation of approved zones only and does not represent in any way whether any individual lot or parcel is in compliance with Utah State Code, Kane County Ordinances, or any other relevant law, including but not limited to the County Subdivision Ordinance.”
Grand Staircase-Escalante Zoning Map ↗Re-checked Sep 24, 2026
Living in an RVLimited
Occupied recreational vehicles in residential zones in unincorporated Kane County.
- Occupied RVs are generally prohibited in residential zones except in a recreational vehicle park, manufactured/mobile home park, designated camping area, or as otherwise allowed by Article E.
- Seasonal occupancy is limited to no more than two RVs on the property, no more than six consecutive months in any calendar year, with no rent or other payment charged or received.
- The RV must comply with zone setbacks, connect to culinary water, use an approved onsite septic system for wastewater, have no more than two RVs hooked to one septic system, comply with applicable electrical safety standards, be removed or properly stored when unoccupied, and be licensed and ready for highway use.
- For use of less than fourteen consecutive days, the culinary-water and onsite-septic requirements in 9-6E-3B.5 and 9-6E-3B.6 do not apply.
- A temporary use permit may authorize more than two RVs on a residential property if the property is one acre or larger and depending on its size and contour.
- A temporary use permit may authorize occupancy exceeding six months but not more than nine months in a calendar year.
- For living in an RV while building a home, a building permit must issue before the temporary use permit; occupancy may exceed nine months while the building permit remains active, subject to annual review and possible one-year reauthorization.
- Failure to comply may result in immediate permit revocation and removal. HOA rules and restrictive covenants may impose greater restrictions.
maximum seasonal RV occupancy: <= 2 recreational vehicles (unless a temporary use permit is approved for a property of at least one acre) · seasonal occupancy duration: <= 6 consecutive months per calendar year (temporary use permit may authorize more than six but not more than nine months) · minimum property size for more than two RVs: >= 1 acre (temporary use permit) · short-use threshold: < 14 consecutive days (culinary-water and onsite-septic requirements in 9-6E-3B.5 and B.6 do not apply)
“No occupied recreational vehicle shall be located in a residential zone anywhere within the county except as follows:”
9-6E-3: Occupied Recreational Vehicles ↗Re-checked Sep 24, 2026
Tiny homesLimited
Tiny homes on trailers in unincorporated Kane County.
- The county defines a tiny home as a dwelling on a permanent foundation under 400 square feet; a tiny home on a trailer is treated as a recreational vehicle.
- Trailer-based tiny homes therefore are subject to the county's occupied-RV restrictions, including residential-zone exceptions, seasonal limits, water, septic, setback, electrical, licensing, and temporary-use permit requirements.
tiny-home permanent-foundation size threshold: < 400 square feet (A tiny home on a trailer is treated as a recreational vehicle instead)
“If the tiny home structure is on a trailer, it is considered a recreational vehicle and falls under the regulations in chapter 6, article E”
9-1-7: Definitions ↗Re-checked Sep 24, 2026
Accessory dwellingsAllowed
Internal accessory dwelling units within residential zones in unincorporated Kane County.
- The county definition limits an IADU to a unit created within a primary dwelling unit and within the footprint of the primary dwelling at the time created.
- The county definition states the purpose is offering a long-term rental of thirty consecutive days or longer.
- The residential uses table lists Internal Accessory Dwelling Unit (IADU) as P in R-1/2, R-1, R-2, and R-5 zones.
- The use remains subject to other applicable county, state, building, health, septic, and zoning requirements.
minimum rental term: >= 30 consecutive days (county definition describes long-term rental use)
“Internal Accessory Dwelling Unit (IADU) | P | P | P | P”
9-1-7: Definitions ↗Re-checked Sep 24, 2026
Who permits septicLocal
Onsite wastewater and septic permitting, plan review, inspection, and recordkeeping for Kane County within the Southwest Utah Public Health Department district.
- The district also serves Beaver, Garfield, Iron, and Washington Counties.
- Utah DEQ identifies the local health department as the primary contact for septic systems and private wells.
“Our department reviews plans, issues permits, conducts inspections, and maintains septic system records within our district.”
Septic Systems - Southwest Utah Public Health Department ↗Re-checked Sep 24, 2026
Septic permitRequired
Installing, replacing, or modifying an onsite wastewater system in Kane County within the Southwest Utah Public Health Department district.
- A permit and approved design are required before installing, replacing, or modifying a system.
- A complete application package is required; incomplete submissions may delay the request.
- Soil and percolation testing must be completed by a Utah-certified onsite professional before design or installation.
- The system must be handled through either a public sewer connection or an onsite wastewater system.
“A permit and approved design are required before installing, replacing, or modifying a system.”
Septic Systems - Southwest Utah Public Health Department ↗Re-checked Sep 24, 2026
Off-grid sanitationAllowed (with conditions)
Off-grid wastewater handling through an onsite wastewater system rather than a public sewer connection in Kane County within the Southwest Utah Public Health Department district.
- An onsite wastewater system is the alternative to a public sewer connection identified on the official page.
- A permit and approved design are required before installing, replacing, or modifying the system.
- Soil and percolation testing must be completed by a Utah-certified onsite professional before design or installation.
- The page does not establish that every off-grid sanitation technology is authorized; alternative systems remain subject to applicable approvals.
“Utah law requires wastewater to be handled through a public sewer connection or an onsite wastewater system (septic system). A permit and approved design are required before installing, replacing, or modifying a system.”
Septic Systems - Southwest Utah Public Health Department ↗Re-checked Sep 24, 2026
Subdividing landRegulated (with conditions)
Subdivision and related physical improvements in unincorporated Kane County.
- The chapter does not apply to lots forming part of a subdivision created and recorded before November 16, 1982, except as provided in the chapter.
- Existing lots may not be further divided, rearranged, or reduced in area, and boundaries may not be altered to create more lots or a nonconforming lot, without approval as provided in the chapter.
- A building permit may not be received until required improvements are installed and accepted in writing by the Kane County engineer; listed improvements include roads, water, fire-suppression water, power, septic/sewer, drainage, and perimeter fencing.
- The Kane County Commission may allow a variance where unusual topographic or other exceptional conditions exist, after a land-use-authority recommendation, if the variance does not substantially impair the chapter's intent.
- Rural Unimproved Splits require a record of survey, wastewater feasibility letter, $1,000 fee, and submission to the Administrative Land Use Authority.
Rural Unimproved Split application fee: 1000 USD
“To provide policies, procedures, requirements and standards for the physical development of subdivisions of land, construction of buildings, and improvements within Kane County”
Subdivision / Planned Unit Development application and Kane County Land Use Ordinance Chapter 21 ↗Re-checked Sep 24, 2026
Permit feesPublished (with conditions)
Land-use applications administered by the Kane County Land Use Authority in unincorporated Kane County.
- The schedule is labeled 2026 and states it was revised 2-2-2026.
- Some fees are actual costs plus stated deposits rather than fixed amounts.
- The cited schedule is for Land Use Authority applications; a complete building-permit fee schedule was not located.
Agricultural Protection Area application fee: 200 USD · Conditional Use Permit Residential application fee: 150 USD · Zone Change fee: 400 USD · Subdivision including PUD application fee: 1000 USD (County Engineer Review actual costs - $4000.00 deposit)
“Fee Schedule – Revised 2-2-2026 klb Land Use Authority Fee Schedule 2026 Agricultural Protection Area $200.00”
Fee Schedule for Land Use Applications ↗Re-checked Sep 24, 2026
Permit processPublished (with conditions)
Building and land-use permit applications administered by Kane County in unincorporated areas.
- Building applications are submitted online; paper applications are no longer accepted.
- Permit status and inspection requests require logging into the county permit account.
- Applications failing the requirements in Utah Code Section 17-36-55(8)(a)-(g) will be rejected.
- Complete land-use applications for Planning and Zoning Commission agenda placement must be received at least three weeks before the Land Use Authority meeting.
- Administrative applications are processed by the Administrative Land Use Authority; legislative decisions are reviewed by the Planning Commission and receive a final decision from the County Commissioners.
minimum lead time for Planning and Zoning Commission agenda items: >= 3 weeks
“All complete applications and items to be placed on the Planning and Zoning Commission Agenda must be received a minimum of three weeks prior to Land Use Authority meeting date.”
Building Department ↗Re-checked Sep 24, 2026

Utah rules that apply here

Building code adoptedAdopted (with conditions)
Building construction, alteration, remodeling, and repair, and regulation of those activities throughout Utah, subject to the State Construction Code's statewide and local amendments and statutory exceptions.
- The code version cited is effective July 1, 2026 and is superseded January 1, 2027.
- The adopted codes operate together with Chapter 3 statewide amendments and Chapter 4 local amendments incorporated into the State Construction Code.
- Compliance is required when new construction is involved.
- For an existing building, compliance is required when the owner or agent voluntarily undertakes repair, renovation, remodeling, alteration, enlargement, rehabilitation, conservation, or reconstruction, or changes the character or use in a way that increases occupancy loads, other demands, or safety risks.
- The 2006 Utah Wildland Urban Interface Code may be adopted by a local compliance agency by local ordinance or similar action as a local amendment.
- Historic-property plaster standards apply only when the owner receives a government tax subsidy based on historic status, the property is wholly or partially funded by public money, or the property is owned by a government entity.
International Building Code edition: 2024, including Appendices C and J · International Residential Code edition: 2021, including Appendix AQ · International Plumbing Code edition: 2024 · International Mechanical Code edition: 2024 · International Fuel Gas Code edition: 2024 · National Electrical Code edition: 2023 · International Energy Conservation Code edition: 2024 · International Existing Building Code edition: 2024 · effective date: 2026-07-01 · superseded date: 2027-01-01
“the following construction codes are incorporated by reference [...] (a) the 2024 edition of the International Building Code, including Appendices C and J”
Utah Code § 15A-1-204, Adoption of State Construction Code ↗Re-checked Sep 12, 2026
Well permitRequired
Water production wells and regulated shallow-water wells in Kane County, including domestic, stockwater, irrigation, public-supply, industrial, commercial, and related production wells.
- A valid water right is required before construction of a shallow water well for beneficial use.
- A Start Card is issued upon approval of the water right and is essentially the permit to construct the well.
- Water wells regulated by the State Engineer must be constructed by a currently licensed well driller; shallow wells may also be constructed by a licensed shallow water well constructor.
- The State Engineer regulates all water wells regardless of depth under the rule changes described on the page.
- Non-production wells deeper than 30 feet are also regulated by the State Engineer.
- The official page states that a pump owner installing or repairing a pump on the owner's own property for the owner's own use does not need a pump installer's license; this is a licensing exception, not an exemption from well regulation.
“A shallow water well owner must have a valid water right to beneficially use groundwater from a shallow water well prior to well construction. Beneficial uses can include domestic, irrigation, and stockwater among others. [...] A Start Card is issued upon approval of the water right, which is essentially the permit to construct the well.”
Water Well Drilling Information ↗Re-checked Sep 24, 2026
Mandatory utility hookupConditional
Wastewater drainage for dwellings, buildings, and premises covered by Utah's onsite wastewater rule.
- Connection to a public sewer is required when available and practicable.
- If public sewer is unavailable or impracticable, connection must be made to an adequate onsite wastewater system or another wastewater system acceptable under the listed Utah rules.
- When a dwelling served by an onsite wastewater system connects to a public sewer, the septic tank must be abandoned and disconnected or bypassed unless otherwise approved by the regulatory authority.
“shall have a connection to a public sewer”
DAR File No. 37575, Rule R317-4, Onsite Wastewater Systems ↗Re-checked Sep 12, 2026
Agricultural exemptionAvailable (with conditions)
Structures used solely in conjunction with agricultural use and not for human occupancy, under Utah's State Construction Code.
- A plumbing, electrical, or mechanical permit may still be required when that work is included in the structure.
- The structure is not exempt from a permit requirement if it is within city or town boundaries and on less than five contiguous acres, unless located in whole or in part in an agricultural protection area.
- The structure is not exempt from a permit requirement if it is within a subdivision for which the county approved a subdivision plat and on less than two contiguous acres, unless located in whole or in part in an agricultural protection area.
maximum area for alternate sales-structure exemption: <= 1500 square feet (This threshold applies to the separate sales-structure category in § 15A-1-204(11)(a), not to the agricultural-use structure category.) · city or town land threshold: < 5 contiguous acres (The permit exception does not apply when the structure is within city or town boundaries and less than five contiguous acres, unless located in an agricultural protection area.) · subdivision land threshold: < 2 contiguous acres (The permit exception does not apply when the structure is within a county-approved subdivision and less than two contiguous acres, unless located in an agricultural protection area.)
“a structure used solely in conjunction with agriculture use, and not for human occupancy, [...] is exempt from the requirements of the State Construction Code.”
Utah Code § 15A-1-204 ↗Re-checked Sep 12, 2026
Driveway accessLimited
Driveway or local-street connections to Utah state highways and changes in land use or access intensity along state highways.
- The rule applies along a state highway.
- A conditional access permit is required whenever a driveway or local street connection is requested.
- A conditional access permit is also required for a change in land use or a change in the intensity of existing access.
- The application process includes a pre-application meeting, a complete application packet, a non-refundable review fee, and UDOT technical review.
“A conditional access permit is required when any of the following is true along a state highway: Whenever a driveway or local street connection is requested. When there is a change in land use (e.g. change in zoning, site plan, or conditional use). When there is a change in intensity of an existing access.”
Conditional Access Permit ↗Re-checked Sep 21, 2026
Campground & park staysLimited
Temporary RV occupancy in Utah recreational vehicle parks providing temporary living quarters for two or more recreational vehicles.
- The location must be an RV park as defined by Rule R392-301.
- The operator must comply with all applicable building, zoning, electrical, health, fire codes and local ordinances.
- Each RV must satisfy the required data-plate or permanent-label and certification or qualified third-party inspection requirements.
- Wastewater must comply with the rule, applicable Utah Department of Environmental Quality requirements, local health department regulations, and the local sewer district having jurisdiction.
minimum number of recreational vehicles: >= 2 vehicles
“A recreational vehicle or a tiny house may be allowed in a recreational vehicle park only if:”
Utah Administrative Code Rule R392-301, Recreational Vehicle Parks ↗Re-checked Sep 21, 2026
One more reviewed finding on this topic
- Limited — Tiny houses in Utah RV parks; the state source also states that tiny-home permission in a particular area depends on local land-use regulations.
  “A recreational vehicle or a tiny house may be allowed in a recreational vehicle park only if:”
  OPRO Accessory Dwellings (ADU's) and other dwelling types ↗Re-checked Sep 21, 2026
county zoning authorityGeneral
Utah counties may enact land-use controls, including zoning ordinances, for land in unincorporated areas statewide.
- The authority is subject to Utah Code Section 17-79-101(4) and Section 11-41-103.
- The statutory grant expressly covers the unincorporated area of a county and a designated mountainous planning district.
- The quoted provision lists uses, density, open spaces, structures, and buildings among the subjects of permissible land-use controls.
“Subject to Subsection (4) and Section 11-41-103, to accomplish the purposes of this chapter, a county may enact all ordinances, resolutions, and rules and may enter into other forms of land use controls and development agreements that the county considers necessary or appropriate for the use and development of land within the unincorporated area of the county or a designated mountainous planning district”
Utah Code, Title 17, Chapter 79, Section 17-79-101 ↗Re-checked Sep 21, 2026
county building authorityGeneral
Utah counties may adopt and enforce building regulations and require building permits for construction in unincorporated areas statewide.
- The general county building-regulation authority applies outside the limits of cities and towns.
- Local regulations may not conflict with general laws.
- Under Utah Code Section 17-79-901, erecting, constructing, reconstructing, altering, or changing the use of a building or other structure within a county requires approval of a building permit.
- A county may not issue a building permit unless the plans fully conform to regulations then in effect.
- The county permit authority is subject to the State Construction and Fire Codes Act and other statutory limitations.
“A county may make and enforce within the limits of the county, outside the limits of cities and towns, all local, police, building, and sanitary regulations that are not in conflict with general laws.”
Utah Code Section 17-60-204, County safety and welfare regulations ↗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.

Inspections — Building inspections for construction administered by Kane County.
Minimum dwelling size — Minimum dwelling size for residential development in unincorporated Kane County.
Lot coverage — Lot coverage in unincorporated Kane County.
Building height — Building height in unincorporated Kane County.
Manufactured homes — Occupancy of manufactured homes in unincorporated Kane County.

1 more unanswered

Building in a floodplain

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.

Living off-grid in Kane County, Utah

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

Kane County scores 40/100 on the Bolthole Index, a marginal county profile. Its strengths: deep seclusion — about 886 people within 15 miles and manageable long-term carry cost. Watch-outs: elevated mid-century heat, water, rain, or wildfire exposure and weak self-sufficiency basics: only 12.1″ of rain a year, in severe drought 33.2% of years.

Do you need a building permit in Kane County, Utah?

Kane County requires a building permit only in limited cases (such as floodplains or specific zones), and it enforces county zoning. Onsite septic is permitted by Southwest Utah Public Health Department (Environmental Health). 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 Kane County?

Living in an RV on your own land in Kane County is limited to specific cases: Occupied recreational vehicles in residential zones in unincorporated Kane County. Occupied RVs are generally prohibited in residential zones except in a recreational vehicle park, manufactured/mobile home park, designated camping area, or as otherwise allowed by Article E. Seasonal occupancy is limited to no more than two RVs on the property, no more than six consecutive months in any calendar year, with no rent or other payment charged or received. A tiny home is limited to specific cases. Confirm with the county before relying on it.

How much does land cost in Kane County, Utah?

Land in Kane County runs about $4,475 per acre, based on the latest county data.

What is the water situation in Kane County?

Kane County gets about 12.1" of rain a year, with severe drought in roughly 33.2% of years.

How remote is Kane County?

A typical private-land location has about 886 people within 15 miles and 213,597 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

Building permits, zoning and land rules in Kane County, Utah

At a glance

Who to call

Do you need a building permit in Kane County, Utah?

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

Does Kane County have zoning?

How do septic permits work in Kane County?

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

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

What should you check before buying land in Kane County?

Watch-outs

Sources

Kane County in Utah

How Kane County scores

Find land. Bring the promising ones back.

Parcel due diligence

Answers from the rulebook for Kane County

Kane County rules

Utah rules that apply here

Still unanswered

Living off-grid in Kane County, Utah

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

Do you need a building permit in Kane County, Utah?

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

How much does land cost in Kane County, Utah?

What is the water situation in Kane County?

How remote is Kane County?

How Kane compares in Utah