FEMA flood zone rules in Gwinnett County, GA — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Gwinnett County Flood Damage Prevention Ordinance (UDO Title 2) regulates Chattahoochee River corridor and FEMA Special Flood Hazard Areas. Elevation certificates required; lowest floor at or above BFE+3 ft (county freeboard).
County participates in NFIP; FEMA FIRM panels updated 2019. Major flood-prone areas along Chattahoochee River (western boundary), Yellow River, Apalachee River, and tributaries. Substantial improvement/damage rule triggers full compliance if work exceeds 50% of structure value. Future-conditions floodplain maps used for regulatory purposes (Gwinnett is stricter than FEMA baseline). Permits required for any development in SFHA via Development Division.
Stop-work orders; removal of non-compliant structures at owner expense; denial of certificate of occupancy; civil penalties.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Gwinnett County, GA
Gwinnett County Animal Control Ordinance (Chapter 10) treats persistent barking as public nuisance. 20+ minutes continuous or intermittent barking disturbing...
Gwinnett County, GA
Amplified music audible at property line after 11 PM prohibited in unincorporated Gwinnett. Outdoor events require special event permit from county.
Gwinnett County, GA
UDO §230-20.4 restricts RVs, boats, and trailers in residential zones to side/rear yard, behind the front building line. Max one RV per lot. Cannot be occupi...
Gwinnett County, GA
Abandoned vehicles regulated under GA Code §40-11-1+ (10 days on public property). Code Enforcement addresses inoperable vehicles in unincorporated areas. Co...
Gwinnett County, GA
Driveways must be paved (concrete/asphalt/pavers) within 20 ft of right-of-way per UDO §230-5.2. One curb cut per lot unless corner lot. Max 30% front-yard c...
Gwinnett County, GA
UDO §230-20.5 prohibits parking commercial vehicles over 12,500 lbs GVWR, tractor-trailers, dump trucks, or vehicles with 2+ axles in residential zones. Serv...
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