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Basement

Any area of the building having its floor subgrade (below ground level) on all sides. The lowest floor of a residential building including basement must be above the Base Flood Elevation (BFE). Basements below the BFE are only allowed in communities that have obtained a basement exception from FEMA. Floodproofed non-residential basements are allowed.

National Flood Insurance Program Requirements

  • 59.1 - Definition
  • 60.3 - Flood plain management criteria for flood-prone areas