Arizona does not mandate a single statewide commercial building code. Local jurisdictions adopt and enforce their own codes, often with amendments, while state fire codes apply in areas without locally adopted fire codes.
Phoenix adopts the 2024 International Codes with both technical and administrative amendments through the Phoenix Building Construction Code. Amendments impact building, energy, mechanical, plumbing, and existing building requirements for commercial projects.
No updates
Arizona does not mandate a single statewide commercial building code. Local jurisdictions adopt and enforce their own codes, often with amendments, while state fire codes apply in areas without locally adopted fire codes.
The City of Flagstaff adopts the 2018 International Codes and the 2017 NEC with both technical and administrative amendments. Local amendments impact commercial solar readiness, gas piping, electrical branch-circuit materials, and adopted code appendices.
No updates
Arizona does not mandate a single statewide commercial building code. Local jurisdictions adopt and enforce their own codes, often with amendments, while state fire codes apply in areas without locally adopted fire codes.
Buckeye adopts the 2024 International Codes and the 2023 NEC with both technical and administrative amendments. Local changes impact fire-life-safety reports, electrical equipment requirements, and other design considerations for commercial projects.
No updates
Arizona does not mandate a single statewide commercial building code. Local jurisdictions adopt and enforce their own codes, often with amendments, while state fire codes apply in areas without locally adopted fire codes.
Queen Creek adopts the 2021 ICC model codes and the 2020 NEC with both technical and administrative amendments codified in its Town Code. Local amendments impact building, fire, electrical, and administrative processes for commercial projects.
No updates
Arizona does not mandate a single statewide commercial building code. Local jurisdictions adopt and enforce their own codes, often with amendments, while state fire codes apply in areas without locally adopted fire codes.
Scottsdale adopts the 2021 International Codes and the 2020 NEC with technical amendments tailored to local conditions. Amendments primarily impact building and energy code requirements for commercial projects.
No updates
Arizona does not mandate a single statewide commercial building code. Local jurisdictions adopt and enforce their own codes, often with amendments, while state fire codes apply in areas without locally adopted fire codes.
Tempe adopts the 2018 International Codes and the 2017 NEC with technical amendments through local ordinances. Amendments introduce additional restrictions affecting building, energy, fire, mechanical, plumbing, and electrical requirements for commercial projects.
No updates
Arizona does not mandate a single statewide commercial building code. Local jurisdictions adopt and enforce their own codes, often with amendments, while state fire codes apply in areas without locally adopted fire codes.
Tucson adopts the International Codes and the NEC with both technical and administrative amendments authorized by ordinance. Local amendments impact building, fire, energy, mechanical, plumbing, and electrical requirements for commercial projects.
Effective January 1, 2026, Tucson will require compliance with updated versions of the building, fire, electrical, mechanical, and plumbing codes, incorporating local amendments. The 2018 energy code remains unchanged until further notice.