FloodZoneMap.org

San Francisco, California Flood Zones

Check an Address in San Francisco

Enter any address in San Francisco, California to see its FEMA flood zone

Flood Risk in San Francisco, California

San Francisco has a population of 873,965 residents. Like many communities in California, properties in San Francisco may be located in various FEMA flood zones ranging from high-risk Special Flood Hazard Areas to low-risk zones.

Use the address lookup above to check the specific flood zone for any property in San Francisco. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Flood Zone Types in San Francisco

FEMA assigns flood zone designations to areas in San Francisco, California:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

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Flood Insurance in San Francisco

Properties in San Francisco that are in FEMA Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even in low-risk zones, flood insurance is recommended — over 20% of NFIP claims come from outside high-risk areas. Visit FloodSmart.gov for quotes.

View all California flood zone data →