Jurisdiction directory

Arizona home project permits by county

Many Arizona households live outside city limits, where the county building department — not a city — issues the permit. 8 Arizona counties, covering the state's largest jurisdictions, are inventoried here.

Verified August 2026

Counties covered

largest jurisdictions first

Municipalities tracked

in Arizona

Population covered

7.0M

residents in listed counties

Code basis

Local

Local adoption of the IRC by city and county

Highest-priority markets

Ranked by population, regulatory complexity, home-rule authority and municipal density.

Maricopa County4,585,871 residents · priority 80.5 Pima County1,063,162 residents · priority 69.1 Pinal County464,154 residents · priority 64.5 Yavapai County244,316 residents · priority 60.9 Mohave County214,782 residents · priority 60.1 Yuma County205,631 residents · priority 59.9 Coconino County145,101 residents · priority 58 Cochise County125,447 residents · priority 57.1

All Arizona counties we cover

8 counties, largest first.

Maricopa CountySeat: Phoenix · 4,585,871 residents Pima CountySeat: Tucson · 1,063,162 residents Pinal CountySeat: Florence · 464,154 residents Yavapai CountySeat: Prescott · 244,316 residents Mohave CountySeat: Kingman · 214,782 residents Yuma CountySeat: Yuma · 205,631 residents Coconino CountySeat: Flagstaff · 145,101 residents Cochise CountySeat: Bisbee · 125,447 residents

Sources

Sources & verification

Arizona Registrar of Contractors

Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.