2025 Building Code Adoption Tracking: FEMA Region 1

This fact sheet summarizes the adoption status of hazard-resistant building codes across states in FEMA Region 1, focusing on the use of the 2021 or later International Building Code (IBC) and International Residential Code (IRC). It provides annual metrics on the percentage of communities in each state that have adopted these codes, with specific notes on code strengths and weaknesses related to flood, wind, and hurricane hazards. The document highlights how code adoption correlates with disaster resilience and informs federal and state policy, funding, and preparedness efforts. State-by-state details include adoption rates, population coverage, and notable amendments affecting hazard resistance.