Flood Zones: Snellville vs Suwanee
How do flood zones rules compare between Snellville, GA and Suwanee, GA?
Snellville has fewer restrictions than Suwanee.
Snellville, GA
Gwinnett County
Snellville participates in NFIP. Floodplain management via Chapter 42 of city code; FEMA FIRM panels effective 2008. Development in SFHA requires elevation certificate and floodplain permit.
View full Snellville rules →Suwanee, GA
Gwinnett County
Suwanee enforces FEMA flood zones per Code of Ordinances Chapter 38 (Flood Damage Prevention). City participates in NFIP. Development in SFHA requires floodplain permit, elevation certificate, and finished floor 3 feet above BFE (freeboard).
View full Suwanee rules →Key Facts Comparison
| Fact | Snellville | Suwanee |
|---|---|---|
| NFIP | Participating community | CID 130322 |
| Freeboard | 1 ft above BFE | 3 ft above BFE |
| Code | Chapter 42 | Ch. 38 Flood Damage |
| FIRM | Gwinnett County panels | - |
| Maps | - | FEMA FIRM Gwinnett |
Highlighted rows indicate differences between cities.
Snellville FAQ
Do I need flood insurance in Snellville?
Required by federally-backed lenders if property is in SFHA (Zone A/AE). Check FEMA Flood Map Service Center using your address.
Can I build in a floodplain?
Yes with a floodplain development permit. Lowest floor must be 1 ft above BFE. Substantial improvements (>50% value) trigger full elevation.
Suwanee FAQ
Is Suwanee in a flood zone?
Portions along Suwanee Creek, Level Creek, and tributaries are in FEMA Zone AE. Check FEMA Map Service Center by address.
How much freeboard does Suwanee require?
3 feet above Base Flood Elevation per Chapter 38 — stricter than FEMA's 1-foot minimum.
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