North Carolina flood zone map and environmental check
After Hurricane Floyd in 1999, North Carolina became FEMA's first Cooperating Technical State and took over its own flood maps, so they are statewide, digital and kept current. Hurricanes Matthew, Florence and Helene flooded well outside the mapped zones, which is why claims history matters as much as the zone letter.
Check a North Carolina property’s flood zone free
Type the address. See the FEMA flood zone and map, free. Add your email to see which buildings sit in the flood area.
Official flood maps for North Carolina
FEMA’s Flood Map Service Center has the effective flood map for every North Carolina address. The state also runs:
NC Floodplain Mapping Program
The official flood maps for every county, with flood depths and a printable report by address.
Map tools usually show the zone at the address pin. On a commercial lot, the buildings can sit in a different zone than the pin. Our free check shows which buildings are in the 1% and 0.2% annual-chance flood areas.
Contamination and tank records in North Carolina
NC Department of Environmental Quality
Every reported tank leak in the state on one map, with incident numbers to pull files.
A listed site next door matters as much as one on your lot: leaks travel with groundwater. Look at what’s around the property, not only the address.
What our report checks for a North Carolina property
- NC dry-cleaning solvent cleanup program sites
- FEMA's National Flood Hazard Layer: the flood zone under each building, not just the pin
- FEMA flood insurance claims history for the area (OpenFEMA)
- USACE National Levee Database
- EPA lists: Superfund (NPL and delisted), SEMS, RCRA corrective action and hazardous waste handlers, brownfields (ACRES), PFAS layers
- EPA UST Finder for underground storage tanks and leaks
- EPA ECHO air permits that flag dry cleaners
- Aerial photos back through the decades (USGS, NAIP, Esri Wayback) and Sanborn fire insurance maps where the Library of Congress has them
Every source is marked checked, not found or not checked. A source we couldn’t reach is listed as a gap, never as a clean result. It is a desk screen, not a Phase I.
Questions buyers ask
Other states
Sources (checked 2026-11-10)