Los Angeles, California Flood Zones
Los Angeles faces flood risk from channelized rivers, coastal storm surge, and debris flows from fire-scarred hillsides. The Los Angeles River and its tributaries can surge with dangerous flows during atmospheric river events.
Common Flood Zones in Los Angeles
Properties in Los Angeles, CA are commonly designated in these FEMA flood zones:
Check Your Los Angeles Address
Enter any Los Angeles, CA address to instantly see its FEMA flood zone, risk level, and whether flood insurance is required.
Free Flood Zone LookupWhat Your Flood Zone Means in Los Angeles
FEMA assigns flood zone designations to every property in the United States based on flood risk assessments. In Los Angeles, the most common designations are Zone AE, Zone AO, Zone AH, Zone X.
Properties in Special Flood Hazard Areas (SFHAs) - zones starting with A or V - are required to carry flood insurance if they have a federally-backed mortgage. Properties in Zone X are outside the SFHA and flood insurance is typically optional but often recommended.
Flood zone designations can change over time through Letters of Map Amendment (LOMA) or Letters of Map Revision (LOMR). Use our free lookup tool to check the current flood zone for any Los Angeles address.