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Earlier editions: 2026-09

Title 8 — ZONING›Division 82 — GENERAL REGULATIONS›Chapter 82-28 — FLOODPLAIN MANAGEMENT

Contra Costa County Municipal Code Art. 82-28.14 Flood Hazard Zones

Contra Costa County Municipal Code · 2026-10 edition · updated 2026-10-04 · Contra Costa County

Cite as: Contra Costa County Municipal Code Article 82-28.14 · Text as of 2026-10-04

82-28.1402 - Lands to which this article applies.

This article applies to all land in a flood hazard zone located in that portion of the Sacramento-San Joaquin Valley that is within the jurisdiction of Contra Costa County. The location of all flood hazard zones in that portion of the Sacramento-San Joaquin Valley within Contra Costa County, and the location of all urban areas and urbanizing areas in those flood hazard zones, is shown on a map certified by the Conservation and Development Director and on file at the Conservation and Development Department, 30 Muir Road, Martinez.

(Ord. No. 2016-16, § II, 6-21-16)

Exceptions & meaning →

82-28.1404 - Definitions.

For purposes of this article, the following terms have the following meanings:

(a) "Flood hazard zone" has the meaning set forth in Government Code section 65007(d).

(b) "Urban area" has the meaning set forth in Government Code section 65007(l).

(c) "Urbanizing area" has the meaning set forth in Government Code section 65007(m).

(Ord. No. 2016-16, § II, 6-21-16)

Exceptions & meaning →

82-28.1406 - Development agreements in flood hazard zones.

An agreement under Article 2.5 of Chapter 4 of the California Government Code to develop property located within a flood hazard zone must comply with Government Code section 65865.5.

(Ord. No. 2016-16, § II, 6-21-16)

Exceptions & meaning →

82-28.1408 - Permits and entitlements in flood hazard zones.

The following permits or entitlements for a project located within a flood hazard zone may only be issued in accordance with the requirements of Government Code section 65962:

(a) A discretionary permit or other discretionary entitlement that would result in the construction of a new building.

(b) A discretionary permit or other discretionary entitlement for construction that would result in an increase in allowed occupancy for an existing building.

(b) A ministerial permit that would result in the construction of a new residence.

(Ord. No. 2016-16, § II, 6-21-16)

Exceptions & meaning →

82-28.1410 - Maps in flood hazard zones.

A tentative map or a parcel map for a subdivision located within a flood hazard zone must comply with Government Code section 66474.5.

(Ord. No. 2016-16, § II, 6-21-16)

Exceptions & meaning →

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