• Contact Information

    Jefferson County Building Safety


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

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

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  • Guards


    From the 2015 International Residential Code unless otherwise indicated.

    R312.1.1 - Where Required

    Guards shall be located along open-sided walking surfaces, including stairs, ramps and landings, that are located more than 30 inches (762 mm), measured vertically to the floor or grade below at any point within 36 inches (914 mm) horizontally to the edge of the open side. Insect screening shall not be considered as a guard.

    R312.1.2 - Height

    Required guards at open-sided walking surfaces, including stairs, porches, balconies or landings, shall be not less than 36 inches (914 mm) in height as measured vertically above the adjacent walking surface or the line connecting the leading edges of the treads.

    R312.1.3 - Opening Limitations

    Required guards shall not have openings from the walking surface to the required guard height which allow passage of a sphere 4 inches (102 mm) in diameter.

    Last Updated: 1-12-2016