Building Codes in Effect 1940-2014

Building codes are in place to protect public health, safety and general welfare as they relate to the construction and occupancy of buildings and structures. You can find the building codes that Jefferson County has adopted by type and effective dates.

July 01, 2011

• 2011 National Electrical Code, Wiring Guide (download document below)

January 10, 2011

• 2009 International Building Code
• 2009 International Residential Code
• 2009 International Mechanical Code
• 2009 International Plumbing Code
• 2009 International Energy Conservation Code
• 2009 International Fuel Gas Code

Aug 01, 2008 

• 2008 National Electrical Code, Wiring Guide (download document below)

July 01, 2007

• 2006 International Residential Code
• 2006 International Building Code
• 2006 International Mechanical Code
• 2006 International Plumbing Code
• 2006 International Energy Conservation Code
• 2006 International Fuel Gas Code
• 2005 National Electrical Code

June 01, 2005

• 2005 National Electrical Code

January 01, 2004

• 2003 International Residential Code Supplement (download document below)
• 2003 International Building Code Supplement(download document below)
• 2003 International Mechanical Code
• 2003 International Plumbing Code
• 2003 International Energy Conservation Code
• 2003 International Fuel Gas Code

January 01, 2002

• 2002 National Electrical Code

October 01, 2001

• 2000 International Residential Code Supplement (download document below)
• 2000 International Building Code Supplement (download document below)
• 2000 International Mechanical Code
• 2000 International Plumbing Code
• 2000 International Energy Conservation Code
• 2000 International Fuel Gas Code

September 20, 1999

• 1997 Uniform Building Code Supplement (download document below)
• 1997 Uniform Mechanical Code
• 1997 International Plumbing Code
• 1999 National Electrical Code
• 1996 National Electrical Code

June 01, 1995

• 1994 Uniform Building Code Supplement (download document below)
• 1994 Uniform Mechanical Code Supplement (download document below)
• 1994 Uniform Plumbing Code Supplement (download document below)

October 19, 1994

Roofing restrictions in wildfire zone above 6400 elevation

May 19, 1993

• 1993 National Electrical Code Supplement (download document below)
• 1991 Uniform Mechanical Code
• 1991 Uniform Plumbing Code

June 19, 1991

• 1990 National Electrical Code
• 1988 Uniform Building Code

February 18, 1986

• 1985 Uniform Building Code Supplement (download document below)

August 19, 1980

• 1979 Uniform Building Code

March 10, 1975

• 1973 Uniform Building Code

May 24, 1971

• 1970 Uniform Building Code

April 01, 1962

• 1962 Code (Written)

June 13, 1949

• BCC resolution adopting the first county Building Code which applied to all zoned, unincorporated, and subdivided land (download document below)

May 17, 1947

• BCC Resolution directed County Attorney to prepare a Building Code for adoption.

February 3, 1941

• BCC Resolution appointed first Board of Adjustment and First Building Inspection.

June 3, 1940

• BCC Resolution requiring Building Permits for commercial buildings only.