Flood Zones: Roswell vs Sandy Springs
How do flood zones rules compare between Roswell, GA and Sandy Springs, GA?
Roswell and Sandy Springs have similar restriction levels.
Roswell, GA
Fulton County
Properties along the Chattahoochee River and Big Creek in Roswell sit within FEMA Special Flood Hazard Areas (Zone AE). New construction or substantial improvement in those zones requires elevation to at least 1 foot above Base Flood Elevation (BFE), a floodplain development permit, and an Elevation Certificate.
View full Roswell rules →Sandy Springs, GA
Fulton County
Sandy Springs enforces FEMA flood zone development standards. Properties in Special Flood Hazard Areas face elevation requirements, flood insurance mandates, and construction restrictions.
View full Sandy Springs rules →Key Facts Comparison
| Fact | Roswell | Sandy Springs |
|---|---|---|
| FEMA Zones in Roswell | AE (Chattahoochee, Vickery, Big Creek) | - |
| Freeboard | 1 ft above BFE | - |
| Substantial Improvement | >50% of pre-value | - |
| Elevation Certificate | Required at final | - |
| Permit | Floodplain development permit | - |
| SFHA Zones | - | Elevation required |
| Insurance | - | Required in flood zones |
| Floodway | - | No fill or structures |
| Topic | - | Flood Zones |
Highlighted rows indicate differences between cities.
Roswell FAQ
Is my Roswell home in a flood zone?
Check FEMA's Flood Map Service Center (msc.fema.gov) by address. Properties along the Chattahoochee River, Vickery Creek, and Big Creek frequently fall in Zone AE with mapped BFEs.
How high do I have to build in a Roswell flood zone?
The lowest floor (including basement) must be elevated at least 1 foot above the Base Flood Elevation shown on the FIRM. That is more conservative than FEMA's federal minimum.
Sandy Springs FAQ
Is my property in a flood zone?
Check FEMA Flood Map Service Center or contact Sandy Springs planning department. Flood maps are updated periodically and your zone may have changed.
Do I need flood insurance?
Flood insurance is required for federally-backed mortgages in Special Flood Hazard Areas. Even outside SFHA zones, flood insurance is recommended.
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