Published on January 01, 2026
The City of Tucson Mayor and Council approved updates to the National Fire Protection Association and International Code Council model building codes on June 3 2025, with an effective date of January 1, 2026.
On December 16, 2025, Mayor and Council approved the International Energy Conservation Code (IECC) with an effective date of July 1, 2026.
New editions of these model codes reflect advancements in building science, incorporating new products and construction techniques to keep Tucson current with the building industry.
All permit applications submitted after January 1, 2026, must comply with the 2024 Codes.