Adopted edition
CSBC 2022
Effective
State · CT
Connecticut building codes at a glance.
Single statewide code (CSBC 2022). Coastal counties (Fairfield, New Haven, Middlesex) hit 130 mph design wind.
CT Connecticut
IECC zones 5A · ASCE 7 design wind 100–130 mph
Adoption model
Statewide
Permits issued: State
Coverage status
Indexed
Parcel layer + adopted-edition library + amendment overlay all live.
Climate zones (IECC)
5A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Design wind speed
100–130 mph
ASCE 7 Risk Category II, 3-second gust at 33 ft. Fastener spec follows.
Special zones
- HVHZ (not applicable)
- WUI (not applicable)
- FEMA SFHA overlays (present)
Compliance track
What's required to build here.
Connecticut State Building Code 2022 based on 2021 I-Codes; statewide adoption with state-level enforcement.
Statute reference: portal.ct.gov/DAS/Office-of-State-Building-Inspector
County directory
All 17 counties in Connecticut.
Each county page shows the adopted edition, county-level amendments, and permit-office contact.
- Capitol Planning Region
- Fairfield
- Greater Bridgeport Planning Region
- Hartford
- Litchfield
- Lower Connecticut River Valley Planning Region
- Middlesex
- Naugatuck Valley Planning Region
- New Haven
- New London
- Northeastern Connecticut Planning Region
- Northwest Hills Planning Region
- South Central Connecticut Planning Region
- Southeastern Connecticut Planning Region
- Tolland
- Western Connecticut Planning Region
- Windham
City directory
162 cities indexed in Connecticut.
City pages list local amendments, the parent county, and the local permit office.
- Andover
- Ansonia
- Ashford
- Avon
- Barkhamsted
- Beacon Falls
- Berlin
- Bethany
- Bethel
- Bethlehem
- Bloomfield
- Bolton
- Bozrah
- Branford
- Bridgeport
- Bristol
- Brookfield
- Brooklyn
- Burlington
- Canaan
- Canterbury
- Canton
- Chaplin
- Cheshire
- Chester
- Clinton
- Colchester
- Colebrook
- Columbia
- Cornwall
- Coventry
- Cromwell
- Danbury
- Darien
- Deep River
- Derby
- Durham
- East Granby
- East Haddam
- East Hampton
- East Hartford
- East Haven
- East Lyme
- East Windsor
- Eastford
- Easton
- Ellington
- Enfield
- Essex
- Fairfield
- Farmington
- Franklin
- Glastonbury
- Granby
- Greenwich
- Griswold
- Groton
- Guilford
- Haddam
- Hamden
- Hampton
- Hartford
- Hartland
- Harwinton
- Hebron
- Kent
- Killingly
- Killingworth
- Ledyard
- Lisbon
- Litchfield
- Lyme
- Madison
- Manchester
- Mansfield
- Marlborough
- Meriden
- Middlebury
- Middlefield
- Middletown
- Milford
- Monroe
- Montville
- Naugatuck
- New Britain
- New Canaan
- New Hartford
- New Haven
- New London
- New Milford
- Newington
- Newtown
- Norfolk
- North Branford
- North Canaan
- North Haven
- North Stonington
- Norwalk
- Norwich
- Old Lyme
- Old Saybrook
- Orange
- Oxford
- Plainfield
- Plainville
- Plymouth
- Pomfret
- Portland
- Preston
- Prospect
- Putnam
- Redding
- Ridgefield
- Rocky Hill
- Salem
- Salisbury
- Scotland
- Seymour
- Sharon
- Shelton
- Sherman
- Simsbury
- Somers
- South Windsor
- Southbury
- Southington
- Sprague
- Stafford
- Stamford
- Sterling
- Stonington
- Stratford
- Suffield
- Thomaston
- Thompson
- Tolland
- Torrington
- Trumbull
- Union
- Vernon
- Voluntown
- Wallingford
- Washington
- Waterbury
- Waterford
- Watertown
- West Hartford
- West Haven
- Westbrook
- Weston
- Westport
- Wethersfield
- Willington
- Wilton
- Winchester
- Windham
- Windsor
- Windsor Locks
- Wolcott
- Woodbridge
- Woodbury
- Woodstock
Working in Connecticut?
Pull an address-level code packet for any property. SkyCanvass resolves the parcel, looks up the jurisdiction's adopted edition + amendments, and emits a cited packet ready for permit submittal.
For state-vs-state comparisons see the state comparison view, or browse the state directory.
Pull a CT code packet.
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