Connecticut State Building Code

Laws/Regulations

Current State Building Code

The 2022 Connecticut State Building Code applies to projects with permit applications filed from October 1, 2022.

2022 Connecticut State Building Code (including Errata #1)
Errata #1 - Separate Document 4/12/2023

The 2018 Connecticut State Building Code applies to projects with permit applications filed from October 1, 2018 to September 30, 2022.

2018 Connecticut State Building Code

The 2016 Connecticut State Building Code applies to projects with permit applications filed from October 1, 2016 to September 30, 2018.

2016 Connecticut State Building Code (including Errata #1)
Errata #1 – Separate Document 12/31/16

Adopted Model Codes

The 2022 Connecticut State Building Code is based on the International Code Council’s widely-adopted 2021 International Codes and references the ICC A117.1-2017 standard for accessibility, and applies to projects with permit applications filed from October 1, 2022.

The 2022 SBC adopts the following model codes:

2021 International Building Code
2021 International Existing Building Code
2021 International Plumbing Code
2021 International Mechanical Code
2021 International Residential Code
2021 International Energy Conservation Code
2021 International Swimming Pool and Spa Code
2020 National Electrical Code (NFPA 70)
2017 ICC A117.1 Accessible and Usable Buildings & Facilities

The 2018 Connecticut State Building Code is based on the International Code Council’s widely-adopted 2015 International Codes and references the ICC A117.1-2009 standard for accessibility, and applies to projects with permit applications filed from October 1, 2018 to September 30, 2022.

The 2018 SBC adopts the following model codes:

2015 International Building Code
2015 International Existing Building Code
2015 International Plumbing Code
2015 International Mechanical Code
2015 International Residential Code
2015 International Energy Conservation Code
2017 National Electrical Code (NFPA 70)
2009 ICC A117.1 Accessible and Usable Buildings & Facilities

The 2016 Connecticut State Building Code is based on the International Code Council’s widely-adopted 2015 International Codes, and applies to projects with permit applications filed from October 1, 2016 to September 30, 2018.

The 2016 SBC adopts the following model codes:

2012 International Building Code
2012 International Existing Building Code
2012 International Plumbing Code
2012 International Mechanical Code
2012 International Residential Code
2012 International Energy Conservation Code
2014 National Electrical Code (NFPA 70)
2009 ICC A117.1 Accessible and Usable Buildings & Facilities

Obtaining Model Codes

The model codes are viewable on their publisher’s web sites and can also be purchased:

Prior State Building Codes

The State of Connecticut has had a State Building Code since 1971, which has been amended or superseded many times since:

History of the Connecticut State Building Code