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Sunnyvale, California Flood Zones

Check an Address in Sunnyvale

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

Flood Risk in Sunnyvale, California

Sunnyvale has a population of 155,805 residents. Like many communities in California, properties in Sunnyvale 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 Sunnyvale. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Flood Zone Types in Sunnyvale

FEMA assigns flood zone designations to areas in Sunnyvale, 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 Sunnyvale

Properties in Sunnyvale 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 →