California Code, Public Resources Code - PRC § 30500.5

(a) By July 1, 2026, the commission shall, in coordination with the Department of Housing and Community Development, develop and provide guidance for local governments to facilitate the preparation of amendments to a local coastal program to clarify and simplify the permitting process for accessory dwelling units and junior accessory dwelling units, as defined in Section 66313 of the Government Code, within the coastal zone.

(b) The commission shall, in coordination with the Department of Housing and Community Development, convene at least one public workshop to receive and consider public comments on the draft guidance before the finalization of the guidance document.  The commission and the Department of Housing and Community Development shall post the draft guidance on their respective internet websites at least 30 days before the public workshop.  The commission shall provide notice of the public workshop to all cities and counties within the coastal zone.  The final guidance document shall be posted on the commission's and the Department of Housing and Community Development's respective internet websites.