History of the Connecticut State Building Code

Overview

The table below lists all of the Connecticut State Building Codes since the first in 1971 to the present day code. For more information, please contact the Office of the State Building Inspector.  

 

EFFECTIVE DATE  TITLE OF CODE IN EFFECT MODEL CODES BASIS

9/1/71
to
8/31/81

1971 State of Connecticut

Building Code

 BOCA Basic Building Code/ 1970 as amended on various dates National Plumbing Code ASA A40.8 -1955

National Electrical Code:

  • NFPA 70 - 1971 as of 4/1974

  • NFPA 70 - 1975 as of 11/10/77

ANSI A117.1 - 1961

 

9/1/81
to
4/14/87

1978 State of Connecticut
Basic Building Code

BOCA Basic Building Code/ 1978 as amended

BOCA Basic Mechanical Code/ 1978

BOCA Basic Plumbing Code/ 1978

National Electrical Code NFPA 70 - 1978

ANSI A117.1 - 1961 (Revised 1971)

 

4/15/87
to
10/15/89

 1987 State Building Code

BOCA Basic/National Building Code/ 1984

BOCA Basic/National Mechanical Code/ 1984

BOCA Basic/National Plumbing Code/ 1984

CABO One and Two Family Dwelling Code/ 1986

National Electrical Code NFPA 70 - 1987

ANSI A117.1 - 1961 (Revised 1971)

BOCA 1986 Accumulative Supplement

April 15, 1987 Connecticut Supplement

 

10/16/89
to
6/14/94

 1989 State Building Code

BOCA National Building Code/ 1987

BOCA National Mechanical Code/ 1987

BOCA National Plumbing Code/ 1987

CABO One and Two Family Dwelling Code/ 1986

National Electrical Code/ NFPA 70 - 1987

ANSI A117.1 - 1986

BOCA 1988 Accumulative Supplement

October 16, 1989 Connecticut Supplement

 

6/15/94
to
4/30/99

 1994 State Building Code 

BOCA National Building Code/ 1990

BOCA National Mechanical Code/ 1990

BOCA National Plumbing Code/ 1990

CABO One and Two Family Dwelling Code/ 1989

National Electrical Code/ NFPA 70 - 1993

CABO/ANSI A117.1 - 1992

BOCA 1992 Accumulative Supplement

June 15, 1994 Connecticut Supplement

5/1/99
to
12/30/05

 1999 State Building Code
with
2000 Amendment

2004 Amendment

BOCA National Building Code/ 1996

1996 International Mechanical Code

1997 International Plumbing Code

CABO One and Two Family Dwelling Code/ 1995

*2003 International Residential Code

*2003 International Energy Conservation Code

*2002 National Electrical Code – NFPA 70-2002

ICC/ANSI A117.1 – 1998

May 1, 1999 Connecticut Supplement

April 7, 2000 – 2000 Amendment

September 1, 2004 – 2004 Amendment

 

*The 2000 and 2004 Amendments to the 1999 State Building Code
adopted the 2003 International Residential Code, 2003 International 
Energy Conservation Code, and 2002 National Electrical Code – NFPA 70-2002.

 

12/31/05
to
9/30/16

 2005 State Building Code

with

2009 Amendments

2011 Amendments

2013 Amendments

2003 International Building Code

2003 International Residential Code

2003 International Existing Building Code

2003 International Mechanical Code

2003 International Plumbing Code

2005 National Electrical Code NFPA 70-2005

*2006 International Energy Conservation Code

**2009 International Energy Conservation Code

***2009 International Residential Code

***2011 National Electrical Code

ICC/ANSI A117.1-2003

December 31, 2005 Connecticut Supplement

August 1, 2009 - 2009 Amendment

October 7, 2011 - 2011 Amendment

February 28, 2014 - 2013 Amendment

*The 2009 Amendments to the 2005 State Building Code
adopted the 2006 International Energy Conservation Code.

**The 2011 Amendment to the 2005 State Building Code
adopted the 2009 International Energy Conservation Code.

***The 2013 Amendment to the 2005 State Building Code
adopted the 2009 International Residential Code and the
2011 National Electrical Code.

 

10/1/16
to
9/30/18

 2016 State Building Code

2012 International Building Code

2012 International Residential Code

2012 International Existing Building Code

2012 International Mechanical Code

2012 International Plumbing Code

2012 International Energy Conservation Code

2014 National Electrical Code NFPA 70-2014

ICC A117.1-2009

 

October 1, 2016 Connecticut amendments

 

10/1/18
to
9/30/22

 

 

 2018 State Building Code

2015 International Building Code

2015 International Residential Code

2015 International Existing Building Code

2015 International Mechanical Code

2015 International Plumbing Code

2015 International Energy Conservation Code

2017 National Electrical Code NFPA 70-2014

ICC A117.1-2009

 

October 1, 2018 Connecticut amendments

 

10/1/22

(currently in effect)

2022 State Building Code

2021 International Building Code

2021 International Residential Code

2021 International Existing Building Code

2021 International Mechanical Code

2021 International Plumbing Code

2021 International Energy Conservation Code

2021 International Swimming Pool and Spa Code

2020 National Electrical Code NFPA 70-2014

ICC A117.1-2017