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FludZone

Grand Forks, ND Flood Zone Lookup

Last updated: March 2026

Grand Forks was devastated by the 1997 Red River flood, which inundated much of the city. Since then, a major flood protection system has been built, but the city remains in one of the nation's most flood-prone regions.

Grand Forks County has recorded 3,114 NFIP flood insurance claims since 1978, totaling $75.5M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 8

NFIP Policies

455

Grand Forks County

Avg. Premium

$833/yr

Grand Forks County

FEMA Flood Risk Profile: Grand Forks County

Based on FEMA's National Risk Index, which evaluates flood risk at the county level using historical loss data, exposure, and vulnerability.

Inland Flood Risk

Relatively Low

Est. annual loss: $12.1M

Social Vulnerability: Very Low
Community Resilience: Relatively High

Source: FEMA National Risk Index, county-level assessment. Individual property risk may vary.

Federal Flood Disaster History: Grand Forks County

Grand Forks County has been included in 24 federal flood-related disaster declarations.

2023FloodingFlood
2020FloodingFlood
2019FloodingFlood
2013FloodingFlood
2011FloodingFlood
2010FloodingFlood
2005Hurricane Katrina EvacuationCoastal Storm
2001Severe Storms, Flooding, & Ground SaturationFlood

...and 16 earlier declarations since 1974.

These declarations affected communities across Grand Forks County, including Grand Forks.

Source: OpenFEMA Disaster Declarations Summaries API. Data sourced February 2026.

NFIP Flood Insurance Claims: Grand Forks County

Properties in Grand Forks County have filed 3,114 NFIP flood insurance claims totaling $75.5M in payouts since 1978. The average claim payout is $24K.

Highest-Claim Years

1997

2,293 claims - $70.7M

1979

301 claims - $2.0M

1989

84 claims - $81K

Claims by Flood Zone

Zone X
1,542(avg. $19K)
Zone A
1,111(avg. $26K)
Zone AE
361(avg. $48K)
Zone D
5(avg. $2K)

Source: OpenFEMA NFIP Claims API. Data sourced March 2026. See national claims data.

Active NFIP Policies: Grand Forks County

Grand Forks County currently has 455 active NFIP flood insurance policies with an average annual premium of $833, totaling $379K in annual premiums.

Average Annual Premium

Grand Forks County$833
National Average$915

Policies by Flood Zone

Zone X
363(avg. $731/yr)
Zone AE
63(avg. $1,328/yr)
Zone A
29(avg. $1,031/yr)

Source: OpenFEMA NFIP Policies API. Data sourced March 2026.

Flood Insurance Coverage: Grand Forks County

Only roughly 1 in 63 households in Grand Forks County carries NFIP flood insurance (2% of estimated households). With 70 recorded flood events and $32.0M in damage, most flood losses in this county are likely uninsured.

Penetration Rate

2%

roughly 1 in 63 households

Historical Claims Ratio

1 in 1

3,114 claims over 45+ years across 455 current policies

Avg. Claim Payout

$24,259

Per claim, county-wide since 1978

Historically, Grand Forks County has averaged 6.8 claims for every active policy (since 1978). This compares cumulative claims against today's policy count and does not predict future claim likelihood.

Coverage data: NFIP policies as of March 2026, claims since 1978 (March 2026), population from FEMA NRI. All figures are county-wide and include Grand Forks.

What Your Flood Zone Means in Grand Forks

Grand Forks faces flood risk primarily from river and stream overflow during heavy rainfall, snowmelt, or upstream dam releases. When rivers exceed their banks, floodwaters spread across low-lying areas mapped in AE and A zones. The most common FEMA flood zone designations in Grand Forks are Zone AE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $12.1M.

Riverine flood risk in Grand Forks is driven by the proximity and elevation of properties relative to nearby waterways. Properties closer to rivers with lower ground elevations typically face higher flood insurance premiums under FEMA's Risk Rating 2.0. If your property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance.

River flood maps can change when FEMA conducts new Flood Insurance Studies or when development alters drainage patterns. Letters of Map Amendment (LOMA) can remove individual properties if the natural ground elevation was always above the Base Flood Elevation and the property was inadvertently mapped in the SFHA. Use our free lookup tool to check the current flood zone for any Grand Forks address.

Repetitive Loss Properties: Grand Forks County

Grand Forks County has 42 properties with multiple flood insurance losses, including 4 severe repetitive loss properties. 8 properties have received FEMA mitigation funding. Severe repetitive loss is a subset of multiple loss, not a separate count. Data sourced March 2026.

Multiple Loss

42

2+ claims within 10 years

Severe Repetitive Loss

4

4+ claims or 2 exceeding value

Mitigated

8

Received FEMA mitigation

By Flood Zone

Zone A
21
Zone AE
12
Zone X
8

Zone data available for 41 of 42 properties.

Source: OpenFEMA NFIP Multiple Loss Properties. Data sourced March 2026.

Recorded Flood Events: Grand Forks County

NOAA has recorded 70 flood events in Grand Forks County since 1996, causing $32.0M in damage and 3 deaths.

Costliest Events

September 20, 2019Flash Flood$10.3M
June 12, 2000Flash Flood$4M
June 12, 2000Flash Flood$4M
June 12, 2000Flash Flood$4M
June 12, 2000Flash Flood$1M

Events by Type

Flash Flood
54
Flood
16

Source: NOAA Storm Events Database, 1996-2026. Data sourced March 2026.

Flood Mitigation: Grand Forks County

FEMA has funded mitigation for 396 properties in Grand Forks County, investing $429K in flood risk reduction. Common mitigation actions include acquisition (buying and demolishing flood-prone structures), elevation (raising buildings above flood level), and safe rooms (wind/storm shelters for tornado and hurricane protection).

By Action Type

Acquisition
379
Other
14
Safe Room
3

Source: OpenFEMA Hazard Mitigation Assistance. Data sourced March 2026.

Flood Insurance Discount: Grand Forks

Grand Forks participates in FEMA's Community Rating System (CRS), a voluntary program that rewards communities for flood mitigation efforts beyond minimum NFIP requirements. Residents in the Special Flood Hazard Area may qualify for reduced flood insurance premiums.

CRS Class

Class 5

SFHA Premium Discount

25% off

CRS classes range from 1 (best) to 10 (no discount). Grand Forks's Class 5 rating means NFIP policyholders in the SFHA can receive up to a 25% discount on their flood insurance premiums. Properties outside the SFHA may receive a 10% discount.

Source: FEMA Community Rating System, April 2026. Discounts apply to NFIP policies only.

Grand Forks, ND Flood Zone FAQ

What flood zones are in Grand Forks, ND?

The most common FEMA flood zones in Grand Forks are Zone AE, Zone X. Properties in these high-risk zones (SFHA) may require flood insurance with a federally regulated or government-backed mortgage.

Is flood insurance required in Grand Forks?

If your Grand Forks property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance. Properties in Zone X are not federally required to carry flood insurance, though coverage is still recommended since over 40% of all NFIP flood claims come from Zone X properties.

How do I check my flood zone in Grand Forks?

Enter your Grand Forks address in the search tool above for an instant flood zone determination. Results include your FEMA flood zone, SFHA status, base flood elevation (if available), and FIRM panel information, pulled directly from FEMA's National Flood Hazard Layer.

Does Grand Forks offer flood insurance discounts?

Yes. Grand Forks participates in FEMA's Community Rating System (CRS) with a Class 5 rating, qualifying residents in the Special Flood Hazard Area for up to a 25% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 10% discount.

Has Grand Forks experienced major flooding events?

Grand Forks County, where Grand Forks is located, has been part of 24 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Flooding in 2023. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.

How many flood insurance claims have been filed in Grand Forks?

Grand Forks County has recorded 3,114 NFIP flood insurance claims totaling $75.5M in payouts since 1978. The year with the most claims was 1997, with 2,293 claims and $70.7M in payouts. These figures cover all NFIP claims in the county, including Grand Forks.

How many flood insurance policies are active in Grand Forks?

Grand Forks County currently has 455 active NFIP flood insurance policies with an average annual premium of $833. The most policies are in Zone X (363 policies). These figures cover all active NFIP policies in the county.

How many Grand Forks properties have flooded repeatedly?

Grand Forks County has 42 properties with multiple flood losses on record, including 4 severe repetitive loss properties. These are properties that have experienced four or more NFIP claims of $5,000+ or two claims exceeding the building value.

Can my Grand Forks property be removed from a high-risk flood zone?

Yes, if your property's natural ground elevation is above the Base Flood Elevation and FEMA inadvertently mapped it in a high-risk zone, you can apply for a Letter of Map Amendment (LOMA). A successful LOMA removes the property from the Special Flood Hazard Area, generally eliminating the federal mandatory flood insurance requirement. You will need an elevation certificate from a licensed surveyor. If a property was raised above the BFE with fill material, the process is a LOMR-F rather than a LOMA.

What is Base Flood Elevation in Grand Forks?

Base Flood Elevation (BFE) is the predicted height of floodwaters during a 1% annual chance (100-year) flood, shown on FEMA maps as an elevation number in feet above sea level. In Grand Forks's Zone AE areas, BFE lines appear on the FIRM as wavy contours labeled with elevation values. Properties with a lowest floor at or above the BFE typically qualify for significantly lower NFIP flood insurance premiums.

Look Up Any Grand Forks, ND Address

Enter a Grand Forks, ND address to instantly check its FEMA flood zone designation, SFHA status, and insurance requirements.

Disclaimer: Flood risk data on this page is sourced from FEMA datasets including the National Risk Index, NFIP claims and policy records, disaster declarations, and the Community Rating System. These datasets were last extracted on March 2026 and may not reflect the most recent changes. This page is for informational purposes only and is not a certified flood zone determination. Always verify current flood zone status through FEMA or a licensed determination provider before making property, insurance, or lending decisions.