Adopted Building Codes

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.

Code books are available to purchase through the Jefferson County Building Division at 303-271-8260 or the International Code Council Order Division at 1-800-786-4452.

Free Access To ICC Online Codes

Important Notice: Check with your local fire district before starting your do-it-yourself, residential or commercial project. The local fire district has individual authority to enforce fire code standards beyond the county's requirements. Coordinating and cooperating with your local fire district early in the process may prevent costly alterations to your do-it-yourself, residential or commercial project and ensure compliance with all applicable health and safety standards.