What building code has Jefferson County adopted?

Jefferson County adopted the 2018 International Building Code and International Residential Code on March 7, 2022.  See Ordinance 2022-02 (PDF) adopting the 2018 Building Codes.

Learn more about the 2018 International Building Code.

Learn more about the 2018 International Residential Code.


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1. What building code has Jefferson County adopted?
2. Which structures require permits?
3. What is the process from plan submittal to certificate of occupancy?
4. What is an agricultural exemption?