Check YOUR Exact Address in Los Angeles
Los Angeles, CA Flood Zone Map
Is Los Angeles in a flood zone? Yes -- about 39% of its mapped area is in a FEMA high-risk flood zone (Special Flood Hazard Area). FEMA NFHL data shows the mapped zone breakdown below. FEMA OpenFEMA NFIP Redacted Claims v3 records 7,522 claims in California since 2016; 31% of all recorded California claims are outside high-risk zones (claims data fetched 2026-10-06).
Sources: FEMA NFHL; US Census TIGERweb; FEMA OpenFEMA NFIP Redacted Claims v3.
Data as of Oct 6, 2026 (FEMA OpenFEMA NFIP claims)
Published by checkmyfloodzone.com. Last updated: .
- High risk
- Moderate
- Lower risk
- Not mapped
Flood Zone Breakdown for Los Angeles
About 39% of the mapped area in Los Angeles falls within a FEMA Special Flood Hazard Area (high-risk or moderate-risk flood zone). The breakdown by zone:
- A 27% Zone A
- AO 8% Zone AO
- AE 4% Zone AE
- AH 0% Zone AH
- X 58% Zone X
- D 3% Zone D
Mapped Waterways Near Los Angeles
FEMA NFHL mapped zones: A, AE, AH, AO, D, X; US Census TIGERweb water features: Dunsmore Cyn Chnnl, Bell Crk, Lucas Crk.. The FEMA NFHL fixture maps zones A, AE, AH, AO, D, X within the Los Angeles, California area. US Census TIGERweb maps Dunsmore Cyn Chnnl, Bell Crk, Lucas Crk in the same extent. These layers describe area-wide patterns; check an exact address for a property-level flood-zone result.
- Dunsmore Cyn Chnnl
- Bell Crk
- Lucas Crk
- Compton Crk
- Encino Crk
- Big Tujunga Canyon Crk
- Wilson Cyn Chnnl
- Bull Crk
Flood Zone Details for Los Angeles
| Zone | Risk level | Area | Insurance |
|---|---|---|---|
| A | High-risk flood zone without a detailed BFE study. About a 1-in-100 chance of flooding each year. | 27% | Flood insurance is typically required for federally backed mortgages. |
| AO | High-risk shallow flooding zone, typically sheet flow over sloping land. Depths are 1 to 3 feet above ground. | 8% | Flood insurance is typically required for federally backed mortgages. |
| AE | High-risk riverine or coastal flood zone with a computed base flood elevation (BFE). About a 1-in-100 chance of flooding each year. | 4% | Flood insurance is typically required for federally backed mortgages. |
| AH | High-risk shallow ponding zone with a flood depth of 1 to 3 feet and a defined BFE. | 0% | Flood insurance is typically required for federally backed mortgages. |
| X | Lower-risk zone outside the 1% annual chance flood boundary. Flooding is still possible but less likely than in high-risk zones. | 58% | Flood insurance is not required but may still be a smart choice -- nearly one-third of flood claims (29% over 2014-2024) come from lower-risk areas. |
| D | Unstudied area where flood hazard has not been determined. Flood risk is unknown. | 3% | FEMA has not determined the flood hazard for this area. Ask your lender about insurance requirements. |