Enter any address in Boulder County, Colorado to see its FEMA flood zone
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| STONE MOUNTAIN FIRE | Fire | 2024-07-30 |
| WILDFIRES AND STRAIGHT-LINE WINDS | Fire | 2021-12-30 |
| MARSHALL FIRE | Fire | 2021-12-30 |
| CALWOOD FIRE | Fire | 2020-10-17 |
| COVID-19 PANDEMIC | Biological | 2020-01-20 |
| COVID-19 | Biological | 2020-01-20 |
| SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES | Flood | 2015-05-04 |
| SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES | Flood | 2013-09-11 |
| SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES | Flood | 2013-09-11 |
| FOUR MILE CANYON FIRE | Fire | 2010-09-06 |
FEMA assigns flood zone designations to areas in Boulder County, 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.
Properties in Boulder County, Colorado that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. Over 20% of NFIP claims come from low and moderate-risk areas.
Visit FloodSmart.gov to find an agent and get a quote.