Connecticut Building Codes

Connecticut State Building Code 2022 (based on 2021 I-Codes with CT amendments). Administered by DAS Office of State Building Inspector (OSBI), enforced by local building officials in all 169 towns. Climate Zone 5A statewide. Ice barrier required throughout state. Counties have NO governmental function (geographic/judicial only). Town-based governance - all land is within a town, no unincorporated areas. Coastal Area Management (CAM) - DEEP jurisdiction for 36 coastal towns along Long Island Sound. Snow loads 30-50 psf. Hurricane-prone region. Extensive historic districts. Mandatory HIC licensing for residential work >$200. Inland wetlands regulated by local agencies in each town. 8 counties (geographic), 169 towns.