Enter any address in San Anselmo, California to see its FEMA flood zone
San Anselmo has a population of 12,830 residents. Like many communities in California, properties in San Anselmo 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 Anselmo. Results come directly from FEMA's National Flood Hazard Layer (NFHL).
Statewide data from OpenFEMA. City-level breakdowns coming soon.
FEMA assigns flood zone designations to areas in San Anselmo, 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.
Properties in San Anselmo 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.