FloodZoneMap.org

Alameda, California Flood Zones

Check an Address in Alameda

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

Flood Risk in Alameda, California

Alameda has a population of 78,280 residents. Like many communities in California, properties in Alameda 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 Alameda. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

California Statewide Flood Data

Total NFIP Claims
53,509
Total Claims Paid
$750.8M
Active Policies
572,000
Avg Premium
$832/yr
Disaster Declarations
1,686
Peak Claims Year
1995

Statewide data from OpenFEMA. City-level breakdowns coming soon.

Flood Zone Types in Alameda

FEMA assigns flood zone designations to areas in Alameda, 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.

View all flood zone types →

Flood Insurance in Alameda

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

The average NFIP premium in California is approximately $832 per year.

Even in low-risk zones, flood insurance is recommended — from 2014 to 2024, nearly one-third of NFIP claims came from outside high-risk areas. Visit FloodSmart.gov for quotes.

View all California flood zone data →