FloodZoneMap.org

DeKalb County, Georgia Flood Zones

Check an Address in DeKalb County

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

DeKalb County Disaster History

Disaster Declarations
17
Hurricane Disasters
5
Latest Disaster
SEVERE WINTER STORM (2026-01-22)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in DeKalb County

DeclarationTypeDate
SEVERE WINTER STORMWinter Storm2026-01-22
HURRICANE HELENETropical Storm2024-09-24
COVID-19 PANDEMICBiological2020-01-20
COVID-19 Biological2020-01-20
HURRICANE IRMAHurricane2017-09-07
HURRICANE IRMAHurricane2017-09-07
SEVERE WINTER STORMSevere Ice Storm2014-02-10
SEVERE STORMS AND FLOODINGSevere Storm2009-09-18
SEVERE STORMS AND TORNADOESSevere Storm2008-03-14
HURRICANE KATRINA EVACUATIONHurricane2005-08-27

Flood Zone Types in DeKalb County

FEMA assigns flood zone designations to areas in DeKalb 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 DeKalb County

Properties in DeKalb 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.