Codes of Record

International Residential Code

Connecticut enforces the 2021 IRC

The 2021 International Residential Code (IRC) has been in force in Connecticut since Oct 1, 2022. It applies statewide. Adopted by State Building Inspector and Codes and Standards Committee, DAS. The legal citation is Conn. Gen. Stat. 29-252 and 29-252b; 2022 CSBC.

Record of adoption

Edition in force

2021 IRC

2022 Connecticut State Building Code

Verified

In force since
Legal citation
Conn. Gen. Stat. 29-252 and 29-252b; 2022 CSBC
Adopted by
State Building Inspector and Codes and Standards Committee, DAS
Second reading
Applies
Statewide
Also called
CSBC

Coming next

  • 2024 IRCPartial
    No date yetProposedConn. Gen. Stat. 29-252b

    Anticipated in the 2026 code; approval pending at the Legislative Regulation Review Committee; effective date delayed from Jul 1, 2026.

How Connecticut adopts the IRC

  • Agency rule, approved by the legislature
  • The legislature reviews the rules and can block them

Same as for the whole State Building Code: joint adoption by the State Building Inspector and Codes and Standards Committee, 45-day Legislative Regulation Review Committee review under CGS 29-252b, then effective on posting.

Cycle. Roughly triennial.

How it was checked

Verified

Two separate readings of the state’s own record agree, and the passage is on file word for word.

Read twice: a second, blind reading of the state’s record agreed with the first on .

The state’s record was last read on , from four source pages.

Evidence 3 sources

Sources for the record itself come first, the state’s own records ahead of others. A label marks a source about something else, such as an exception. A source marked secondary is not the state’s own record.

  • “2022 State Building Code - Effective 10/1/2022 (currently in effect)”

    History of the Connecticut State Building CodeConnecticut Department of Administrative Servicesportal.ct.gov (opens in a new tab)Agency pageRetrieved

  • “It applies to projects with permit applications filed from October 1, 2022.”

    Safety Codes and InspectionsConnecticut Department of Administrative Servicesportal.ct.gov (opens in a new tab)Agency pageRetrieved
  • Connecticut State Building Code (regulations page)Connecticut Department of Administrative Servicesportal.ct.gov (opens in a new tab)Agency pageRetrieved

Tracker cross-checks

Code adoption trackers are a cross-check. They are not Connecticut’s own record.

  • About a tracker cross-check

    Connecticut adoptions map pageCross-checkInternational Code Counciliccsafe.org (opens in a new tab)Tracker, secondaryRetrieved

  • ICC’s code adoption mapCross-checkAgrees with the record

    Adoption chart (April 2026): State Connecticut 21 21 21 ... (IRC taken as second value)

    mitek-us.com (opens in a new tab)Read

Related pages

Other codes in Connecticut