FloodZoneMap.org

Dorchester County, Maryland Flood Zones

Check an Address in Dorchester County

Enter any address in Dorchester County, Maryland to see its FEMA flood zone

Dorchester County Disaster History

Disaster Declarations
20
Flood/Coastal Disasters
1
Hurricane Disasters
7
Latest Disaster
SEVERE WINTER STORM (2026-01-23)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Dorchester County

DeclarationTypeDate
SEVERE WINTER STORMWinter Storm2026-01-23
TROPICAL STORM ISAIASHurricane2020-08-03
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
HURRICANE SANDYHurricane2012-10-26
HURRICANE SANDYHurricane2012-10-26
HURRICANE IRENEHurricane2011-08-26
HURRICANE IRENEHurricane2011-08-24
SEVERE WINTER STORMS AND SNOWSTORMSSnowstorm2010-02-05
SEVERE STORMS, FLOODING, AND TORNADOESSevere Storm2006-06-22

Flood Zone Types in Dorchester County

FEMA assigns flood zone designations to areas in Dorchester County, Maryland:

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 Dorchester County

Properties in Dorchester County, Maryland 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.