Pinal County Building Codes

The building, permit, septic, and well requirements for a custom home in unincorporated Pinal County.

Unincorporated9 pages
City Building Codes
Adopted Codes

Pinal County Adopted Building Codes: Which I-Code Editions Apply to Your Rural Build

Unincorporated Pinal County builds to the 2018 International Residential Code and the rest of the 2018 International Code family, plus the 2017 National Electrical Code, adopted through the county's 2018 Building Code Ordinance and local amendments. These apply on county land outside any city, where the county is the building authority.

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Permits

Pinal County Building Permit and Impact Fees: How a New Home Is Priced

A new home in unincorporated Pinal County carries two kinds of county money. The building permit and plan review fees are based on your home's construction valuation, read from a fee table tied to ICC valuation data. Separate development impact fees for parks, public safety, and streets are collected when the permit issues, and they vary by area.

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Pinal County Pool and Spa Barrier Permit: When You Need One and the Barrier Rules

A backyard pool or spa in unincorporated Pinal County needs a county pool permit, and it cannot be filled until a barrier inspection passes. The barrier must stand at least 60 inches tall with self-closing, self-latching gates that swing away from the water. It follows the statewide floor set by state law.

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Pinal County Residential Building Permit Requirements: What You File for a New Home

A new home on unincorporated Pinal County land needs a county building permit before any work starts. You apply through the Accela Citizen Access portal or in person, and submit a building permit application, a property owner authorization form, a site plan, and construction drawings for review against the county's 2018 codes.

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Pinal County Solar PV Permit: What Rooftop and Ground-Mount Systems Need

A rooftop or ground-mount solar array in unincorporated Pinal County needs a county photovoltaic permit and a plan review before install. You submit a site plan, one-line and three-line electrical diagrams, component cut sheets, and mounting details. The county checks structural load, roof access pathways, and fire setbacks against the 2018 codes and 2017 electrical code.

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Pinal County Wall and Fence Permit: Height Limits, Retaining Walls, and When You Need an Engineer

In unincorporated Pinal County, a wall or fence up to 7 feet and a retaining wall up to 4 feet can be built to the county's example drawings through the Wall/Fence permit. Go taller, or stack a wall on a retaining wall, and you need a building permit with plans stamped by an Arizona registered engineer.

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Inspections

Pinal County Building Inspections for a New Home: The Sequence Through Final

Pinal County inspects a new home in stages, from footing to framing to final. You schedule each visit by permit number at 520-866-6299, and a call by 6 am gets same-day service. Every stage must pass before it is covered up, and the final inspection comes before your certificate of occupancy.

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Zoning & Setbacks

Pinal County Residential Zoning and Setbacks: Why Your Parcel's District Decides

In unincorporated Pinal County, your building setbacks and minimum lot size come from your parcel's zoning district under the county Development Services Code, and they change from one district to the next. Rural districts like General Rural require large lots and deep yards, while single-residence districts allow smaller lots. Verify your parcel's zoning before you design.

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Site and Utilities

Pinal County Septic and Well Requirements for a New Home

A new home on rural Pinal County land with no city utilities needs two separate approvals: a septic permit from the Pinal County Aquifer Protection Division, which ADEQ delegates to the county, and a private well authorized by the state through an ADWR Notice of Intent to Drill. On lots of 5 acres or fewer, the county reviews the well.

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