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Boulder, Colorado Flood Zones

Check an Address in Boulder

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

Flood Risk in Boulder, Colorado

Boulder has a population of 108,250 residents. Like many communities in Colorado, properties in Boulder 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 Boulder. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Flood Zone Types in Boulder

FEMA assigns flood zone designations to areas in Boulder, 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 Boulder

Properties in Boulder 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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