State directory · CT · Northeast
Connecticut building departments
This Connecticut directory covers 9 Census county equivalents and local building-department guides. Connecticut uses a statewide code framework administered through local building officials. Confirm the current code edition and local permit submission process.
How permitting works in Connecticut
State building code with local enforcement. A county name is a geographic index, not a promise that the county government issues every building permit. Many projects are handled by a city, town, township, borough, parish, regional office, or independent city.
Source-backed state research
Connecticut Office of the State Building Inspector
The Connecticut State Building Code applies to most new, altered, added, or change-of-use buildings. The 2022 code is based on 2021 International Codes and applies to permit applications filed from October 1, 2022; the state is publishing a 2026 adoption process.
Read the official state source ↗Researched local guides
Available department pages
Bridgeport · Fairfield County
City of Bridgeport Building Department
Permits, inspections, zoning, and official contact information.
Danbury · Fairfield County
City of Danbury Building Department
Permits, inspections, zoning, and official contact information.
Greenwich · Fairfield County
Town of Greenwich Building Inspection Division
Permits, inspections, zoning, and official contact information.
Hartford · Hartford County
City of Hartford Department of Development Services
Permits, inspections, zoning, and official contact information.
New Haven · New Haven County
City of New Haven Office of Building Inspection and Enforcement
Permits, inspections, zoning, and official contact information.
Norwalk · Fairfield County
City of Norwalk Building and Code Enforcement
Permits, inspections, zoning, and official contact information.
Stamford · Fairfield County
City of Stamford Building Department
Permits, inspections, zoning, and official contact information.
Waterbury · New Haven County
City of Waterbury Department of Inspections
Permits, inspections, zoning, and official contact information.
Geographic coverage