Enter any address in Castro Valley CDP, California to see its FEMA flood zone
Castro Valley CDP has a population of 66,441 residents. Like many communities in California, properties in Castro Valley CDP 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 Castro Valley CDP. Results come directly from FEMA's National Flood Hazard Layer (NFHL).
FEMA assigns flood zone designations to areas in Castro Valley CDP, 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 Castro Valley CDP 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.