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Aliso Viejo, California Flood Zones

Check an Address in Aliso Viejo

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

Flood Risk in Aliso Viejo, California

Aliso Viejo has a population of 52,176 residents. Like many communities in California, properties in Aliso Viejo 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 Aliso Viejo. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Flood Zone Types in Aliso Viejo

FEMA assigns flood zone designations to areas in Aliso Viejo, 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 Aliso Viejo

Properties in Aliso Viejo 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 →