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  • Contact Information

    Jefferson County Building Safety


    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

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  • Ceiling Height


    From the 2012 International Residential Code unless otherwise indicated.

    R305.1 - Minimum Height

    Habitable space, hallways, bathrooms, toilet rooms, laundry rooms and portions of basements containing these spaces shall have a ceiling height of not less than 7 feet (2134 mm).

    R305.1.1 - Basements

    Portions of basements that do not contain habitable space, hallways, bathrooms, toilet rooms and laundry rooms shall have a ceiling height of not less than 6 feet 8 inches (2032mm).

    R305.1.1 - Minimum Height

    From the Jefferson County Residential Code Supplement. Delete Exception 1 in it's entirety and substitute as follows:

    • Exception 1: All basements in new dwelling units shall have ceiling heights as required for habitable space. Beams, girders, duct work and similar items shall not project more than 4 inches (101.6 mm) below the required finished ceiling height.


    Last Updated: 1-3-2014