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Bangor, ME Flood Zone Map

Last updated: August 2026

Bangor sits along the Penobscot River and faces riverine flooding from spring snowmelt and heavy rain. The city's location at the head of tide makes it vulnerable to both riverine and tidal flood influences.

Penobscot County has recorded 238 NFIP flood insurance claims since 1978, totaling $1.7M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 1

NFIP Policies

286

Penobscot County

Avg. Premium

$1,470/yr

Penobscot County

Active NFIP Policies: Penobscot County

Penobscot County had 286 NFIP flood insurance policies written or renewed over the trailing 13 months, with an average annual premium of $1,470, totaling $420K in annual premiums. Because a policy renewed inside that window is counted twice, this runs above the number in force at any one moment.

Average Annual Premium

Penobscot County$1,470
National Average$915

Policies by Flood Zone

Zone AE
162(avg. $1,861/yr)
Zone X
77(avg. $1,044/yr)
Zone A
47(avg. $822/yr)

Source: OpenFEMA NFIP Policies API. Reflects policies with an effective date in the trailing 13 months (July 1, 2025 through August 16, 2026) - a 12-month policy term plus a 1-month buffer for OpenFEMA's own reporting lag - as an approximation of currently active policies, not a certified point-in-time count. Policies renewed early in this window may be counted twice, so actual totals may be somewhat lower than shown. See national policies data.

See the full flood insurance cost guide for how premiums vary by zone and risk factor.

NFIP Flood Insurance Claims: Penobscot County

Properties in Penobscot County have filed 238 NFIP flood insurance claims totaling $1.7M in payouts since 1978. The average claim payout is $7K.

Highest-Claim Years

1987

64 claims - $916K

2008

28 claims - $313K

1983

21 claims - $64K

Claims by Flood Zone

Zone A
94(avg. $10K)
Zone X
60(avg. $8K)
Zone AE
39(avg. $5K)

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

Flood Insurance Coverage: Penobscot County

Only roughly 1 in 210 households in Penobscot County carries NFIP flood insurance (0.5% of estimated households). With 62 recorded flood events and $5.4M in damage, most flood losses in this county are likely uninsured.

Penetration Rate

0.5%

roughly 1 in 210 households

Historical Claims Ratio

1 in 1

238 claims over 45+ years across 286 current policies

Avg. Claim Payout

$7,164

Per claim, county-wide since 1978

Historically, Penobscot County has averaged 1 claim 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 August 2026, claims since 1978 (August 2026), population from FEMA NRI. All figures are county-wide and include Bangor.

Not sure whether you're required to carry it? See do I need flood insurance?, or compare NFIP vs. private flood insurance.

Repetitive Loss Properties: Penobscot County

Penobscot County has 15 properties with multiple flood insurance losses, including 2 severe repetitive loss properties. Severe repetitive loss is a subset of multiple loss, not a separate count. Data sourced August 2026.

Multiple Loss

15

2+ claims within 10 years

Severe Repetitive Loss

2

4+ claims or 2 exceeding value

Mitigated

0

Received FEMA mitigation

By Flood Zone

Zone X
7
Zone A
5
Zone AE
2

Zone data available for 14 of 15 properties.

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

Federal Flood Disaster History: Penobscot County

Penobscot County has been included in 8 federal flood-related disaster declarations.

2023Hurricane LeeHurricane
2008Severe Storms and FloodingFlood
2005Hurricane Katrina EvacuationHurricane
1993Heavy Rain, Snowmelt, Ice Jams & FloodingFlood
1987Severe Storms & FloodingFlood
1974Severe Storms & FloodingFlood
1973Heavy Rains & FloodingFlood
1970Severe Storms, Ice Jams & FloodingFlood

These declarations affected communities across Penobscot County, including Bangor.

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

Recorded Flood Events: Penobscot County

NOAA has recorded 62 flood events in Penobscot County since 1996, causing $5.4M in damage.

Costliest Events

May 1, 2008Flood$481K
April 29, 2008Flood$481K
May 1, 2008Flood$481K
April 30, 2008Flood$481K
April 30, 2008Flood$481K

Events by Type

Flood
42
Flash Flood
20

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

Flood Mitigation: Penobscot County

FEMA has funded mitigation for 4 properties in Penobscot County, investing $373K 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

Other
4

Source: OpenFEMA Hazard Mitigation Assistance. Data sourced August 2026. FEMA records a total payment per grant rather than per property, so the dollar figure is an estimate that splits each grant across the properties it covers; the property count is exact.

FEMA Flood Risk Profile: Penobscot 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 Moderate

Est. annual loss: $24.1M

Coastal Flood Risk

Very Low

Est. annual loss: $22K

Hurricane Risk

Relatively Moderate

Est. annual loss: $5.0M

Social Vulnerability: Relatively Low
Community Resilience: Very High

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

What Your Flood Zone Means in Bangor

Bangor faces multiple inland flood threats, including riverine flooding from nearby waterways and flash flooding from intense rainfall overwhelming urban drainage systems. Properties near river corridors face the highest risk, but stormwater backup can affect neighborhoods well outside the mapped floodplain. The most common FEMA flood zone designations in Bangor are Zone AE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $24.1M.

With both riverine and urban stormwater flood risk, insurance costs in Bangor depend heavily on a property's elevation relative to nearby waterways and the local drainage infrastructure. FEMA's Risk Rating 2.0 prices in multiple inland flood sources rather than relying on the flood zone line alone. 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.

Flood zone boundaries in Bangor can shift when FEMA updates its Flood Insurance Studies or when upstream development changes how water moves through the watershed. New stormwater infrastructure or dam modifications can also trigger map revisions. Use our free lookup tool to check the current flood zone for any Bangor address.

Bangor, ME Flood Zone FAQ

What flood zones are in Bangor, ME?

The most common FEMA flood zones in Bangor 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 Bangor?

If your Bangor 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 about a quarter of all NFIP flood claims come from properties outside high-risk zones.

How do I check my flood zone in Bangor?

Enter your Bangor 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.

What type of flooding affects Bangor?

Bangor is primarily affected by river overflow combined with urban drainage challenges. The most common FEMA flood zone designations are Zone AE, Zone X. Use the free lookup tool above to check the specific flood zone for any Bangor address.

Has Bangor experienced major flooding events?

Penobscot County, where Bangor is located, has been part of 8 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Hurricane Lee 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 Bangor?

Penobscot County has recorded 238 NFIP flood insurance claims totaling $1.7M in payouts since 1978. The year with the most claims was 1987, with 64 claims and $916K in payouts. These figures cover all NFIP claims in the county, including Bangor.

How many flood insurance policies are there in Bangor?

Penobscot County had 286 NFIP flood insurance policies written or renewed over the trailing 13 months, with an average annual premium of $1,470. The most policies are in Zone AE (162 policies). These are county-level counts of policies written or renewed in the trailing 13 months, not a point-in-time count of policies in force - a policy renewed inside that window is counted twice.

How many Bangor properties have flooded repeatedly?

Penobscot County has 15 properties with multiple flood losses on record, including 2 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 Bangor 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 Bangor?

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 Bangor'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.

See the Flood Map for Any Bangor, ME Address

Enter a Bangor, ME address to view its FEMA flood map, 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 August 2026 and may not reflect the most recent changes. Always verify current flood zone status through FEMA or a licensed determination provider before making property, insurance, or lending decisions.