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Gwinnett County, Georgia Flood Zones

Check an Address in Gwinnett County

Enter any address in Gwinnett County, Georgia to see its FEMA flood zone

Gwinnett County Disaster History

Disaster Declarations
14
Hurricane Disasters
4
Latest Disaster
SEVERE WINTER STORM (2026-01-22)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Gwinnett County

DeclarationTypeDate
SEVERE WINTER STORMWinter Storm2026-01-22
HURRICANE HELENETropical Storm2024-09-24
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
HURRICANE IRMAHurricane2017-09-07
HURRICANE IRMAHurricane2017-09-07
SEVERE WINTER STORMSevere Ice Storm2014-02-10
SEVERE STORMS AND FLOODINGSevere Storm2009-09-18
HURRICANE KATRINA EVACUATIONHurricane2005-08-27
SEVERE WINTER STORMSevere Storm2000-01-22

Flood Zone Types in Gwinnett County

FEMA assigns flood zone designations to areas in Gwinnett County, Georgia:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Gwinnett County

Properties in Gwinnett County, Georgia that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. Over 20% of NFIP claims come from low and moderate-risk areas.

Visit FloodSmart.gov to find an agent and get a quote.