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Grafton County, New Hampshire Flood Zones

Check an Address in Grafton County

Enter any address in Grafton County, New Hampshire to see its FEMA flood zone

Grafton County Disaster History

Disaster Declarations
40
Flood/Coastal Disasters
8
Hurricane Disasters
6
Latest Disaster
SEVERE STORM AND FLOODING (2024-07-10)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Grafton County

DeclarationTypeDate
SEVERE STORM AND FLOODINGSevere Storm2024-07-10
SEVERE WINTER STORM AND FLOODINGWinter Storm2024-04-03
SEVERE STORMS AND FLOODINGSevere Storm2024-01-09
SEVERE STORM AND FLOODINGSevere Storm2023-12-17
SEVERE STORMS AND FLOODINGFlood2023-07-09
SEVERE STORM AND FLOODINGSevere Storm2022-12-22
COVID-19 PANDEMICBiological2020-01-20
COVID-19 Biological2020-01-20
SEVERE STORM AND FLOODINGSevere Storm2019-07-11
SEVERE STORM AND FLOODINGSevere Storm2017-10-29

Flood Zone Types in Grafton County

FEMA assigns flood zone designations to areas in Grafton County, New Hampshire:

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 Grafton County

Properties in Grafton County, New Hampshire 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.