Bolthole Index

Maricopa County, Arizona

Building permits, zoning and land rules in Peoria, Arizona

Peoria, Arizona requires building permits for work covered by its building code and administers its own zoning inside city limits.12 For Peoria property in Maricopa County, septic Discharge Authorization comes from Maricopa County Environmental Services.3 RVs cannot be used for living on property zoned for single-family residential uses, and available public utilities can limit plans for an off-grid home.45

At a glance

Building permits
Required for work covered by Peoria’s building code; specified minor work is exempt.1
Zoning
Peoria administers city zoning with district-specific development standards.26
Septic authorization
Maricopa County Environmental Services issues Discharge Authorization for septic systems on Peoria property in Maricopa County.3
RV living
Prohibited on property zoned for single-family residential uses; commercially agricultural properties have a specified exemption.4
Accessory dwellings
Conditional allowance; movable habitable spaces cannot serve as ADUs.7
Water and sewer
Public sewer connection is required where available; city water connection depends on service area and distance to the water line.5
Owner-builder
Arizona offers a conditional contractor-license exemption for the owner’s own occupancy; Peoria building permits still apply.81

Who to call

Building permits

Peoria Building Development

Peoria building permit review and building inspections.

623-773-7225

[email protected]

Online permits →

Planning & zoning

Peoria Planning & Community Development

City zoning and planning questions.

623.773.7200

[email protected]

Septic permits

Maricopa County Environmental Services — Onsite Wastewater Program

Septic applications and final inspection requests for Peoria property in Maricopa County.

602-506-6666

[email protected]

Online permits →

Floodplain permits

Peoria Floodplain Administrator

City floodplain development review and interpretation of special flood hazard boundaries.

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

Going off-grid in Peoria means bringing your own water and power. The kit we’d start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

Do you need a building permit in Peoria, Arizona?

Peoria requires a building permit before work begins whenever the city building code requires one, and the permit must be posted at the work site.1 Peoria has adopted the 2018 International Building Code with local amendments; detached single-family homes, duplexes and townhouses may comply with the amended International Residential Code or the building code.9

Peoria’s listed exemptions include detached tool or storage sheds, playhouses and similar accessory structures no greater than 200 square feet; a building-permit exemption does not authorize a code violation.1 Ask Building Development to classify the proposed work before ordering a shed or starting construction.10

Who handles building permits and inspections in Peoria?

Contact Peoria Building Development at 623-773-7225 or [email protected] for building permit questions.10 Peoria’s development staff review plans for compliance with codes, regulations and city standards, and the permit holder must schedule the necessary inspections and keep the permit and approved plans on site.10

For new buildings, Peoria’s published process requires a grading permit from Site Development before release of the building permit.10 Residential projects receive a final inspection tag left on site under the city’s published process.10 Septic approval for Peoria property in Maricopa County remains a separate county authorization, rather than a substitute for city building approval.31

Does Peoria have zoning, and what limits a home’s footprint?

Peoria administers its own zoning ordinance, so a property inside city limits needs the city’s district standards rather than Maricopa County’s unincorporated-area zoning table.211 Peoria Planning & Community Development can be reached at 623.773.7200 or [email protected].12

In Peoria’s R1-43 district, maximum lot coverage is 30%; R1-35 and R1-18 allow 35%, R1-12 allows 40%, and R1-10, R1-8, R1-7 and R1-6 allow 45%.13 Maximum principal-building height is 30 feet in those listed districts.14 Ask city Planning to confirm the parcel’s district, minimum lot area and applicable setbacks before treating an advertised acreage as a buildable homesite.612

How do septic permits work inside Peoria?

For onsite wastewater systems on Peoria property in Maricopa County, the owner must receive written Discharge Authorization from Maricopa County Environmental Services.3 Peoria requires connection to public sewer where available; where public sewer is unavailable, the wastewater-disposal method must appear on the city site plan and receive county approval.515 Peoria also requires a registered engineer to design private individual-lot sewer systems.15

The county’s conventional septic process runs from site and soils evaluation through the design application and Construction Authorization before installation, followed by final inspection.1617 Contact the Onsite Wastewater Program at 602-506-6666 or [email protected]; final inspection requests use the Request for Discharge Authorization form.18

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

Peoria prohibits using an RV for living on property zoned for single-family residential uses.4 Peoria’s temporary RV parking permission concerns parking, so it should not be treated as permission to live in an RV while building a house.4 The code exempts commercially agricultural properties in single-family districts from the specified RV-parking sections; confirm that classification with city Planning before relying on the exemption.412

Peoria conditionally allows accessory dwelling units where zoning permits a single-family dwelling and adequate public utility services exist, but movable habitable spaces cannot be ADUs.7 An ADU is capped at 75% of the existing home’s gross floor area or 1,000 square feet, whichever is less, with minimum side and rear setbacks of 5 feet.7 We could not confirm a separate tiny-home occupancy rule or general private-land camping allowance; ask Peoria Planning about the proposed structure and use.12

What are the steps to building a home in Peoria?

  1. Ask Peoria Planning to confirm the zoning district and whether the proposed home and any accessory dwelling fit the parcel’s development standards.1267
  2. Resolve water and sewer availability; where public service is unavailable, show the proposed supply and wastewater disposal on the site plan for county approval.5
  3. Obtain county septic Construction Authorization before installation if a septic system is needed.16
  4. Submit the home plans to Peoria Building Development; for a new building, coordinate Site Development’s grading permit before release of the building permit.10
  5. Obtain and post the required building permit before beginning covered work, then schedule city inspections and the county septic final inspection as applicable.11018

Arizona’s owner-builder exemption concerns contractor licensing for qualifying work intended solely for the owner’s occupancy, without plans to sell or rent; the exemption does not remove Peoria’s building-permit requirement.81

What should you check before buying land in Peoria?

For Peoria development within the city’s water service area and within 1,320 feet of a city water line, city water connection is required, subject to a Water Services Director variance for certain single-lot developments.5 Ask about that requirement before budgeting for an independent water supply.5 Arizona requires a Notice of Intent to Drill filed with the Arizona Department of Water Resources before drilling, deepening or modifying a groundwater well, and a licensed well-drilling contractor must perform the work.19

Peoria’s Floodplain Administrator reviews development for flood safety and interprets special flood hazard boundaries; request a parcel-specific determination before placing a home.20 For land outside Peoria city limits, consult the Maricopa County guide for the county’s unincorporated-area building and zoning rules.2111

Watch-outs

  • Peoria’s RV parking permission does not authorize RV living on single-family residential property.4
  • Peoria’s public sewer and city water connection requirements can constrain an off-grid plan even before building design begins.5
  • We could not confirm a Peoria-specific minimum dwelling floor area or general agricultural building exemption; ask city Planning and Building Development about the proposed use.1210
  • Peoria requires a city vacation-rental permit before vacation-rental use, including at least $500,000 aggregate liability insurance unless equivalent platform coverage applies.22

Sources

  1. Sec. 18-21. International Building Code—Adopted and Amended (Peoria), quoted and re-checked
  2. Sec. 21-420. Property Development Standards for Permitted Principal Uses (Peoria), quoted and re-checked
  3. Onsite Wastewater (Septic) Program Guidance for Municipalities (Peoria), quoted and re-checked
  4. Sec. 14-110. Parking; recreational vehicles; utility trailers; private property parking (Peoria), quoted and re-checked
  5. Sec. 25-20. Water; minimum supply requirements; connection with water system (Peoria), quoted and re-checked
  6. Sec. 21-420. Property Development Standards for Permitted Principal Uses (Peoria), quoted and re-checked
  7. Sec. 21-316. Accessory Dwelling Unit (Peoria), quoted and re-checked
  8. Persons not required to be licensed; penalties; applicability (Arizona statewide rule), quoted and re-checked
  9. Sec. 18-21. International Building Code—Adopted and Amended (Peoria), quoted and re-checked
  10. Peoria Building Development (peoriaed.com)
  11. Maricopa County Zoning Ordinance, quoted and re-checked
  12. Peoria Planning & Community Development (citizenserve.com)
  13. codelibrary.amlegal.com (Peoria), quoted and re-checked
  14. Sec. 21-420. Property Development Standards for Permitted Principal Uses (Peoria), quoted and re-checked
  15. codelibrary.amlegal.com (Peoria), quoted and re-checked
  16. Onsite Wastewater Forms / Applications, quoted and re-checked
  17. Onsite Wastewater Forms / Applications, quoted and re-checked
  18. Maricopa County Environmental Services — Onsite Wastewater Program (maricopa.gov)
  19. Permitting and Wells Overview, quoted and re-checked
  20. Peoria Floodplain Administrator (codelibrary.amlegal.com)
  21. Permitting Services, quoted and re-checked
  22. Sec. 11-150. Short Term Rentals and Vacation Rentals; Permit Required; Penalties (Peoria), quoted and re-checked

Written October 11, 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.

Answers from the rulebook for Peoria

Peoria’s own rules

  • Building permitRequired

    Work inside Peoria city for which the building code requires a permit.

    • Permit exemptions include specified minor work, such as one-story detached accessory structures used as tool or storage sheds, playhouses, and similar uses not greater than 200 square feet; exemptions do not authorize code violations.
    “It shall be unlawful and a violation of this Code for any person, firm or corporation to perform any work for which a permit is required by this Code until such permit has been obtained from the building official and been posted on the premises where the work is to be performed.”
  • Building code adoptedAdopted

    Construction, alteration, occupancy, and related work inside Peoria city limits.

    • The City adopted the 2018 International Building Code as amended; detached one- and two-family dwellings and townhouses may comply with the code or amended International Residential Code.

    building code edition: 2018 International Building Code (as amended by Peoria City Code)

    “A certain document, one copy of which is on file in the City Clerk's Office of the City of Peoria, being marked and designated as the "International Building Code, 2018 Edition," published by the International Code Council, Inc., is hereby adopted, as amended herein, as the Building Code of the City of Peoria.”
  • Local zoningPresent

    Land inside Peoria city limits; Peoria administers its own zoning ordinance.

    • The cited code is current through the 2026 S-9 supplement and local legislation through Ordinance 2026-15.
    “The following property development standards shall apply in zoning districts R1-43, R1-35, R1-18, R1-12, R1-10, R1-8, R1-7 and R1-6:”
  • Zoning districtsPublished

    Peoria city zoning districts, including the R1 residential districts listed in Sec. 21-420.

    • The cited code publishes district-specific development standards; additional zoning districts and overlays are governed elsewhere in Chapter 21.
    “The following property development standards shall apply in zoning districts R1-43, R1-35, R1-18, R1-12, R1-10, R1-8, R1-7 and R1-6:”
  • Lot coverageDistrict specific (with conditions)

    R1-43, R1-35, R1-18, R1-12, R1-10, R1-8, R1-7, and R1-6 residential districts inside Peoria city.

    • Lot coverage is maximum coverage by percentage; district values are in table order.

    maximum lot coverage: 30%, 35%, 35%, 40%, 45%, 45%, 45%, 45% percent by district in table order

    “Maximum Lot Coverage (percentage) | 30% | 35% | 35% | 40% | 45% | 45% | 45% | 45%”
  • Building heightDistrict specific (with conditions)

    R1-43, R1-35, R1-18, R1-12, R1-10, R1-8, R1-7, and R1-6 residential districts inside Peoria city.

    • Maximum principal building height is 30 feet in each listed R1 district.

    maximum principal building height: 30 feet

    “Maximum Building Height FT | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30”
  • Living in an RVProhibited

    Living in recreational vehicles on property zoned for single-family residential uses inside Peoria city.

    • RV parking remains subject to location, screening, public-view, temporary-parking-permit, and private covenant restrictions.
    • Commercially agricultural properties in single-family residential districts are exempt from Sections 14-110 through 14-111.

    public-view parking without temporary permit: <= 24 consecutive hours (within any 14-consecutive-day period) · temporary permit parking: <= 72 consecutive hours (maximum one permit per 14-day period and four permits per calendar year)

    “Recreational vehicles located on properties zoned for single-family residential uses may not be utilized for living purposes by any person.”
  • Accessory dwellingsAllowed (with conditions)

    Accessory dwelling units on single-family lots inside Peoria city where zoning allows a single-family dwelling.

    • Adequate public utility services are required.
    • Generally no more than one attached and one detached ADU per single-family lot; on lots of at least one acre, one attached and two detached ADUs are allowed only if at least one detached unit is restricted-affordable.
    • An ADU may not exceed 75% of the existing dwelling's gross floor area or 1,000 square feet, whichever is less.
    • ADUs are subject to building, fire, public-health, setback, lot-coverage, height, utility-easement, and subdivision rules; movable habitable spaces may not be used as ADUs.

    maximum ADU floor area: <= 75 percent of existing dwelling gross floor area (or 1,000 square feet, whichever is less) · maximum ADU floor area: <= 1000 square feet (or 75% of existing dwelling gross floor area, whichever is less) · minimum rear and side setback: >= 5 feet

    “Subject to this Section and the City of Peoria's building codes, fire codes, and public health and safety regulations, the following is a permitted use with adequate public utility services:”
  • Who permits septicCounty (with conditions)

    Onsite wastewater systems inside Peoria city limits in Maricopa County; Maricopa County Environmental Services Department administers the septic authorization process.

    • The guide states the rule applies in Maricopa County and cites Arizona Administrative Code R18-9-A301.
    “To comply with state requirements (Arizona Administrative Code R18-9-A301) in Maricopa County, the owner of an onsite sewage disposal (septic) system must receive a written Discharge Authorization from the Maricopa County Environmental Services Department (MCESD).”
  • Off-grid sanitationLimited

    Private wastewater disposal on land inside Peoria city where public sewer is unavailable.

    • The disposal method must be shown on the plot or site plan and approved by Maricopa County.
    • Private individual lot sewer systems must be designed by a registered engineer.
    “The means of wastewater disposal and water supply on lots and parcels for which access to the public sewer system and/or water supply system is not available shall be indicated on the plot plan or site plan submitted to the City and shall be approved by Maricopa County.”
  • Mandatory utility hookupConditional

    New development inside Peoria city where public water or sewer is available.

    • Water connection is required within the City's water service area and within 1,320 feet of a City water line, subject to a Water Services Director variance for certain single-lot developments.
    • Public sewer connection is required where available.
    • If public sewer or water is unavailable, wastewater disposal and water supply must be shown on the site plan and approved by Maricopa County.

    water-line distance: <= 1320 feet (within the City's water service area) · water-line distance: <= 0.25 mile (same rule)

    “All development within the City's water service area and within a quarter of a mile (i.e., 1,320 feet) from a City water line is required to connect to the City's water system.”
  • Short-term rentalsLimited

    Vacation or short-term rentals inside Peoria city.

    • A City vacation-rental permit is required before use.
    • The application requires property, owner, designee, emergency-contact, transaction-privilege-tax, legal-compliance, notification, liability-insurance, and County-Assessor-registration information.
    • Liability insurance must be at least $500,000 aggregate unless equivalent platform coverage applies.
    • Permits are non-transferable and may be denied for specified omissions, false information, disqualifying convictions, or recent violations.

    minimum liability insurance: >= 500000 USD aggregate (unless platform provides equal or greater primary liability coverage) · application after violation notice: <= 30 days (otherwise operations must cease and civil penalties may apply)

    “Prior to use of a property as a vacation rental, the owner shall obtain a vacation rental permit from the City of Peoria. Renting, or offering for rent, a vacation rental without complying with the permit requirement in this Section 150 is prohibited.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Peoria or Maricopa County directly.

  • Owner-builder exemption — Owner-builders performing residential construction inside Peoria city.
  • Minimum dwelling size — Single-family residential districts inside Peoria city.
  • Camping on your land — Temporary camping on private land inside Peoria city.
  • Tiny homes — Tiny-home occupancy inside Peoria city.
  • Well permit — Private wells inside Peoria city limits.
2 more unanswered
  • Agricultural exemption
  • Driveway access

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.

Unanswered questions are usually a sign that Peoria publishes no rule on the point, not that none exists. Maricopa County’s page lists the county offices to call.

← All of Maricopa County: county rules, score and offices