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  • Contact Information

    Jefferson County Building Safety

    buildingsafety@jeffco.us
    303-271-8260

    Monday - Friday
    7:30 a.m. - 5:30 p.m.

    Contact Us

    100 Jefferson County Parkway
    Suite 3540
    Admin and Courts Facility
    Golden, CO 80419-3540

    View Map

  • Adopted Building Codes Effective 2010

     

    Listed below are the adopted building codes effective Jan. 1, 2010. Following each code type is a link to the code supplement, which includes Jefferson County's amendments to the code.

    International Residential Codes

    • 2009 International Residential Code
    • 2009 International Fuel Gas Code
    • 2009 International Mechanical Code
    • 2009 International Plumbing Code
    • 2011 National Electrical Code - (effective 07/01/11)
    • 2008 National Electrical Code - (effective 08/01/08)
    • 2009 International Energy Conservation Code
    • 2009 Jefferson County Residential Code Supplement (download document below)

     

    International Building Codes

    • 2009 International Building Code
    • 2009 International Fuel Gas Code
    • 2009 International Plumbing Code
    • 2009 International Mechanical Code
    • 2011 National Electrical Code - (effective 07/01/11)
    • 2008 National Electrical Code - (effective 08/01/08)
    • 2009 International Energy Conservation Code
    • 2009 Jefferson County Building Code Supplement (download document below)

     

    Codes in Effect 1940-2011 
     

    Last Updated: 5-2-2013