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1. 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.

2. Which structures require permits?

View our document about Structures Requiring Building Permits.

3. What is the process from plan submittal to certificate of occupancy?

View our document about the Plan Submittal to CO Issuance - Building Permit Process

4. What is an agricultural exemption?

For the answer to this question, please view our AG Exempt - Understanding of Policy and Affidavit

If you have additional questions, please call 208-745-9220.