Carson, CA Environmental Rules: Flood Zones (2026)
FEMA flood zone rules in Carson, CA, also called floodplain regulations or special flood hazard area (SFHA) rules, determine flood insurance requirements and elevation standards for new construction.
Key Facts
- Administered by
- City Engineer (Floodplain Administrator)
- Mapped zones
- A, AO, A1-A30, AE, A99, AH
- FIS date
- July 6, 1998 (LA County)
- Governing chapter
- CMC Ch. 6, § 8600 et seq.
Summary
Carson requires a development permit for construction in FEMA-mapped flood-prone areas, based on Flood Insurance Rate Maps covering Zones A, AO, A1-A30, AE, A99 and AH.
No construction will be permitted in areas of special flood hazard in the City of Carson as identified in the "Flood Insurance Study (FIS) for the County of Los Angeles" dated July 6, 1998, with accompanying Flood Insurance Rate Maps (FIRMs) and Flood Boundary and Floodway Maps (FBFMs) and all subsequent amendments thereto, which are hereby adopted by this reference and declared to be a part of this Chapter. An area of special flood hazard is an area in the floodplain subject to a one (1) percent or greater chance of flooding in any given year. It is shown on the most recent FIRM for the City of Carson as Zone A, AO, A1–A30, AE, A99, or AH.
3. Compliance. No structure or land shall hereafter be constructed, located, extended, converted, or altered without full compliance with the terms of this Chapter and other applicable regulations. Violation of the requirements (including violations of conditions and safeguards established in connection with conditions) shall constitute a misdemeanor. Nothing herein shall prevent the City of Carson from taking such lawful action as is necessary to prevent or remedy any violation.
4. Abrogation and Greater Restrictions. This Chapter is not intended to repeal, abrogate, or impair any existing easements, covenants, or deed restrictions. However, where this Chapter and another ordinance, easement, covenant, or deed restriction conflict or overlap, whichever imposes the more stringent restrictions shall prevail.
5.
Full Breakdown
Carson Municipal Code Chapter 6 (Floodplain Management) bars new construction in areas of special flood hazard except as permitted under the chapter, based on the Flood Insurance Study for the County of Los Angeles dated July 6, 1998, and the accompanying Flood Insurance Rate Maps. Those maps, and all later amendments, are adopted by reference and define the regulated zones. Zone A, AO, A1-A30, AE, A99, or AH. A development permit, administered by the City Engineer acting as Floodplain Administrator, must be obtained for any proposed construction or other development, including placement of manufactured homes, within these mapped flood-prone areas.
Violations & Fines
Building or altering a structure in a mapped flood zone without the required development permit, or otherwise violating the chapter, is a misdemeanor under CMC § 8600.15(3).
Frequently Asked Questions
Do I need a permit to build in a Carson flood zone?
How does Carson know which areas are flood-prone?
Sources & Official References
Other rules in Carson
California rules heatmap·Compare Carson to another location·View the California environmental rules overview
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Flood Zones in Nearby Cities
How other cities in Los Angeles County handle flood zones.