FloodZoneMap.org

Grayson County, Virginia Flood Zones

Check an Address in Grayson County

Enter any address in Grayson County, Virginia to see its FEMA flood zone

Grayson County Disaster History

Disaster Declarations
21
Flood/Coastal Disasters
3
Hurricane Disasters
5
Latest Disaster
SEVERE WINTER STORM (2026-01-22)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Grayson County

DeclarationTypeDate
SEVERE WINTER STORMWinter Storm2026-01-22
SEVERE WINTER STORMS AND FLOODINGSevere Storm2025-02-10
TROPICAL STORM HELENETropical Storm2024-09-25
POST-TROPICAL CYCLONE HELENETropical Storm2024-09-25
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
TROPICAL STORM MICHAELHurricane2018-10-09
HURRICANE FLORENCEHurricane2018-09-13
HURRICANE FLORENCEHurricane2018-09-08
HURRICANE SANDYHurricane2012-10-26

Flood Zone Types in Grayson County

FEMA assigns flood zone designations to areas in Grayson County, Virginia:

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 Grayson County

Properties in Grayson County, Virginia 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.