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Castle Rock, Colorado Flood Zones

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Enter any address in Castle Rock, Colorado to see its FEMA flood zone

Flood Risk in Castle Rock, Colorado

Castle Rock has a population of 73,158 residents. Like many communities in Colorado, properties in Castle Rock 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 Castle Rock. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Flood Zone Types in Castle Rock

FEMA assigns flood zone designations to areas in Castle Rock, Colorado:

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 Castle Rock

Properties in Castle Rock 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.

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