FEMA flood zone rules in Dunwoody, GA — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Dunwoody participates in FEMA's National Flood Insurance Program (NFIP). Development in FEMA Special Flood Hazard Areas (SFHA) requires a floodplain development permit. The city enforces a 75-foot stream buffer in addition to flood zone regulations. Check FEMA Flood Map Service Center for property-specific data.
Dunwoody participates in the NFIP and maintains floodplain management regulations consistent with FEMA requirements. Properties in FEMA-designated SFHAs (Zone AE, AO) require a floodplain development permit before construction, grading, or fill. New buildings must meet Base Flood Elevation (BFE) requirements. Additionally, Dunwoody enforces a 75-foot undisturbed buffer around all streams — no land disturbance or construction permitted within the buffer without permits. Stream buffer violations carry penalties up to $1,000 or 6 months in jail.
Unpermitted activity in 75-foot stream buffer: up to $1,000 per violation or 6 months in jail.
Dunwoody, GA
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Side-by-side rule comparisons with other cities in DeKalb County.
See how other cities in DeKalb County handle flood zones.
See how Dunwoody's flood zones rules stack up against other locations.
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