Huntington Beach, CA Environmental Rules: Flood Zones (2026)
FEMA flood zone rules in Huntington Beach, CA, also called floodplain regulations or special flood hazard area (SFHA) rules, determine flood insurance requirements and elevation standards for new construction.
Key Facts
- Governing section
- BMC § 17.04.040 (CBC 104.10.1)
- Cross-referenced
- Zoning Code Ch. 222 Floodplain Overlay
- Residential standard
- CRC R322.1 via § 17.07.180
- Floodway construction
- Must be engineered to ASCE 24
- Flood map source
- Community Development flood information page
- Penalty
- Up to $1,000 fine / 6 months jail
Summary
Huntington Beach's Building Code bars the Building Official from waiving any flood-hazard construction requirement unless the waiver first clears the Floodplain Overlay District standards in Zoning Code Chapter 222. New construction and substantial improvements in mapped A, V, or Coastal A zones must follow the most restrictive provisions across the overlay district, the Local Coastal Program, or the amended Residential Code.
104.10.1 Flood hazard areas. The Building Official shall not grant modifications to any provision required in flood hazard areas unless a determination has been made in accordance with the Floodplain Overlay District portion of the Huntington Beach Zoning Code Chapter 222.
Full Breakdown
' Any request to modify a flood-hazard construction standard is routed through that Chapter 222 review before the Building Division can approve it. 2(1), plus any substantial improvement or repair of substantial flood damage, be designed to the most restrictive provisions found among the Floodplain Overlay District, the Local Coastal Program, or the Residential Code itself. Structures straddling more than one flood hazard area must meet the standard for the most restrictive area, and any structure in a mapped floodway must be engineered to ASCE 24.
150, directs owners to the Community Development Department's Flood Information page for current FIRM panel numbers and the City's National Flood Insurance Program entry date, rather than printing zone maps in the code itself. A homeowner in a flood zone typically needs sign-off from both Building and Planning before a modification, addition, or substantial-improvement permit issues.
Violations & Fines
Building without required flood-hazard compliance is a Municipal Code violation prosecutable as a misdemeanor or infraction under Chapter 1.16. A misdemeanor conviction carries up to six months in jail and/or a fine up to $1,000; an infraction is fined $100 for a first offense, $200 for a second, and up to $500 for each further offense within a year, and the court may also order reimbursement of the City's investigation and prosecution costs.
Frequently Asked Questions
Can I get a variance from Huntington Beach's flood construction standards?
What construction standard applies if my lot sits in more than one flood zone?
Where do I find my property's flood zone designation?
Sources & Official References
Other rules in Huntington Beach
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Flood Zones in Nearby Cities
How other cities in Orange County handle flood zones.