Fresno County, CA Environmental Rules: Flood Zones (2026)

48, Flood Hazard Areas, was adopted under the authority of Government Code Sections 65302, 65560 and 65800 and implements the National Flood Insurance Program locally. 060 applies the chapter to every area of special flood hazard identified in the Flood Insurance Study for the County of Fresno, dated September 16, 1982, together with its Flood Insurance Rate Maps and Flood Boundary and Floodway Maps and all later amendments, which are on file at the Department of Public Works and Planning at 2220 Tulare Street, Suite B, Fresno.

070 designates the Director of Public Works and Planning as the Floodplain Administrator, responsible for granting or denying development permits. 070(C) requires a development permit before any construction or other development, including manufactured homes, within a mapped flood hazard area, and the applicant has to submit duplicate scaled plans showing the location, dimensions and elevation of existing or proposed structures, proposed water supply and sewer connections, grading and drainage information, the location of any regulatory floodway, and the base flood elevation used for design. Nonresidential floodproofing plans additionally require certification from a registered civil engineer or architect. 060(D) applies whichever restriction is more stringent if the chapter conflicts with another ordinance, easement or deed restriction. 04.