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Foster City, California Flood Zones

Check an Address in Foster City

Enter any address in Foster City, California to see its FEMA flood zone

Flood Risk in Foster City, California

Foster City has a population of 33,805 residents. Like many communities in California, properties in Foster City 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 Foster City. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Flood Zone Types in Foster City

FEMA assigns flood zone designations to areas in Foster City, 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 Foster City

Properties in Foster City 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 →