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.

Model reviewed 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

Featured counties

The largest and most active permit jurisdictions in the state.

Maricopa County4,585,871 residents · seat Phoenix Pima County1,063,162 residents · seat Tucson Pinal County464,154 residents · seat Florence Yavapai County244,316 residents · seat Prescott Mohave County214,782 residents · seat Kingman Yuma County205,631 residents · seat Yuma Coconino County145,101 residents · seat Flagstaff Cochise County125,447 residents · seat Bisbee

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

Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.