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Earlier editions: 2026-09

Title 15 — BUILDINGS AND CONSTRUCTION›Chapter 15.40 — FLOODPLAIN MANAGEMENT

Alameda County Municipal Code Art. II Applicability

Alameda County Municipal Code · 2026-10 edition · updated 2026-10-04 · Alameda County

Cite as: Alameda County Municipal Code Article II · Text as of 2026-10-04

15.40.100 - General.

These regulations provide minimum requirements for development located in flood hazard areas, including the subdivision of land; site improvements and installation of utilities; placement and replacement of manufactured homes; placement of recreational vehicles; new construction and repair, reconstruction, rehabilitation or additions to new construction; substantial improvement of existing buildings and structures, including restoration after damage; installation of tanks; temporary structures and temporary or permanent storage; utility and miscellaneous Group U buildings and structures; and certain building work exempt from permit under the building codes; and other buildings and development activities.

(Ord. No. 2018-53, § 2, 10-2-18)

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15.40.110 - Establishment of flood hazard areas.

The County of Alameda was accepted for participation in the National Flood Insurance Program on April 15, 1981. The Flood Insurance Study for Alameda County, California and Incorporated Areas dated August 3, 2009, and all subsequent amendments and revisions, and the accompanying Flood Insurance Rate Maps (FIRM), and all subsequent amendments and revisions to such maps, are hereby adopted by reference and serve as the basis for establishing flood hazard areas in the unincorporated area of Alameda County. Maps and studies that establish such flood hazard areas are on file at the Alameda County Public Works Agency, 399 Elmhurst St., Hayward, CA.

(Ord. No. 2018-53, § 2, 10-2-18)

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