Planning director: ADU rules go into effect Dec. 3; county to use self-attestation for permits

Nov 12, 2025

Jefferson County's Community Development director said ADU rules become effective Dec. 3 and the department will implement a permitting process that includes applicant self-attestation and other streamlining steps; the board met the new planning services manager who holds advanced degrees.

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Derek Payne, Jefferson County Community Development director, told commissioners that accessory dwelling unit (ADU) rules will be legal effective close of business Dec. 3 and that the county will create a permitting process to follow, including self-attestation forms for applicants to confirm that HOAs or CC&Rs do not bar ADUs.

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