FloodZoneMap.org

Montgomery County, Maryland Flood Zones

Check an Address in Montgomery County

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

Montgomery County Disaster History

Disaster Declarations
21
Flood/Coastal Disasters
3
Hurricane Disasters
5
Latest Disaster
SEVERE WINTER STORM (2026-01-23)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Montgomery County

DeclarationTypeDate
SEVERE WINTER STORMWinter Storm2026-01-23
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
SEVERE WINTER STORM AND SNOWSTORMSnowstorm2016-01-22
HURRICANE SANDYHurricane2012-10-26
HURRICANE SANDYHurricane2012-10-26
SEVERE STORMS AND STRAIGHT-LINE WINDSSevere Storm2012-06-29
HURRICANE IRENEHurricane2011-08-26
SEVERE WINTER STORMS AND SNOWSTORMSSnowstorm2010-02-05
SEVERE WINTER STORM AND SNOWSTORMSnowstorm2009-12-18

Flood Zone Types in Montgomery County

FEMA assigns flood zone designations to areas in Montgomery 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 Montgomery County

Properties in Montgomery 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.