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Code Updates

Proposed Connecticut State Building and Fire Safety Codes

Due to the continued impact of the COVID-19 pandemic the adoption process for the next Connecticut State Building Code, Connecticut State Fire Safety Code and Connecticut State Fire Prevention Code has been delayed.  The Connecticut Codes and Standards' Code Amendment Subcommittee at its June 10, 2021 meeting voted to review and amend the model codes listed below for the next state building code.  It is anticipated that the full committee will approve the proposed draft by the end of 2021 and the statutory code adoption process will happen in 2022.  The anticpated target effective date will be in 2022.  Additional information can be found on the Code Adoption Process  web page.

  • 2021 International Building Code (IBC)
  • 2021 International Existing Building Code (IEBC)
  • 2021 International Energy Conservation Code (IECC)
  • 2021 International Mechnaical Code (IMC)
  • 2021 International Plumbing Code (IPC)
  • 2021 International Residential Code (IRC)
  • 2021 International Fire Code (IFC)
  • 2020 NFPA 70 National Electrical Code (NEC)
  • 2017 ANSI A117.1 Accessibile and Useable Building and Facilities


People and organizations are encouraged to propose changes to the above model codes.  They must submit their proposed changes on the Code Change Proposal form  by June 9,2021 for consideration in this code change cycle.  The proposal should be specific and include sufficient information to explain the reasons for the change.

Working group schedule identifes the meeting dates that the working groups will present their recommended amendments for their assigned code to the subcommittee.  The working group at the meeting will discuss  the recomentations, elicit comments and alternate approaches.

The following are the statutory requirements for adoption of the codes.

  1. Codes and Standards (Codes Amendment Subcommittee) and the State Building Inspector or the State Fire Marshal, as the case may be, draft the Connecticut State Building Code and the Connecticut State Fire Safety Code (with a fiscal note and a regulatory flexibility analysis).

  2. Provide public notice of new document and 45-day comment period, during which, the Codes Amendment Subcommittee will hold a public hearing.

  3. The Codes Amendment Subcommittee and the State Building Inspector or the State Fire Marshal, as the case may be, provides a response to every public comment received.

  4. Submit the Code (with the fiscal note and a regulatory flexibility analysis) to the Public Safety Committee and the Regulations Review Committee. The Regulations Review Committee has 45 days to either–meet and approve, meet and disapprove, meet and reject without prejudice or provide written notice to DAS that they won’t meet. If the 45-day period expires with no action, the document is deemed approved.

  5. If the committee rejects without prejudice, the Codes and Standards Committee and the State Building Inspector or the State Fire Marshal, as the case may be, have 30 days to address the committee’s concerns and resubmit the document with a summary of any revisions made. The committee has another 45 days to choose to meet and act or not meet.

  6. Once approved or deemed approved, document is made available to the public and can be effective as of that date.


2018 Connecticut State Building and Fire Safety Codes

The 2018 Connecticut State Building and Fire Safety Codes apply to all projects applying for a permit on or after October 1, 2018.  They amend and adopt the following model codes:

  • 2015 International Building Code (IBC)
  • 2009 ANSI A117.1 Accessible and Useable Building and Facilities
  • 2015 International Existing Building Code (IEBC)
  • 2015 International Plumbing Code (IPC)
  • 2015 Intedrnational Mechanical Code (IMC)
  • 2015 International Energy Conservation Code (IECC)
  • 2017 NFPA 70 National Electrical Code (NEC)
  • 2015 International Residential Code (IRC)
  • 2015 International Fire Code (IFC) for new construction
  • 2015 NFPA 101 Life Safety Code (LSC) for existing buildings/occupancies


The following links will lead to additional information about building codes for Connecticut and Massachusetts.

Connecticut State Building Code

Connecticut Codes and Standards

Massachusetts State Building Code

Massachusetts Board of Building Regulations and Standards

International Code Council (ICC)

Addenda to ASHRAE Standards


This home page is maintained by the Connecticut Chapter of the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. P.O. Box 143 Cromwell, CT 06416. ASHRAE chapters may not act for the Society and the information presented here has not had Society review. To learn more about ASHRAE activities on an international level, contact the ASHRAE home page at http://www.ashrae.org