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Birmingham, AL Flood Zone Map

Last updated: August 2026

Birmingham faces flash flooding from intense rainfall channeled through the Jones Valley and surrounding ridges. Urban development has increased impervious surfaces, worsening stormwater runoff in low-lying neighborhoods.

Jefferson County has recorded 2,882 NFIP flood insurance claims since 1978, totaling $47.3M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 4

NFIP Policies

1,746

Jefferson County

Avg. Premium

$1,418/yr

Jefferson County

Active NFIP Policies: Jefferson County

Jefferson County had 1,746 NFIP flood insurance policies written or renewed over the trailing 13 months, with an average annual premium of $1,418, totaling $2.5M 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

Jefferson County$1,418
National Average$915

Policies by Flood Zone

Zone AE
1,024(avg. $1,701/yr)
Zone X
639(avg. $1,012/yr)
Zone A
65(avg. $1,082/yr)
Zone AH
18(avg. $944/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: Jefferson County

Properties in Jefferson County have filed 2,882 NFIP flood insurance claims totaling $47.3M in payouts since 1978. The average claim payout is $16K.

Highest-Claim Years

2003

311 claims - $7.7M

1979

260 claims - $2.0M

1983

260 claims - $1.9M

Claims by Flood Zone

Zone AE
854(avg. $22K)
Zone A
820(avg. $12K)
Zone X
763(avg. $22K)
Zone V
33(avg. $27K)
Zone AH
2

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

Flood Insurance Coverage: Jefferson County

Only roughly 1 in 153 households in Jefferson County carries NFIP flood insurance (0.7% of estimated households). With 153 recorded flood events and $1.0B in damage, most flood losses in this county are likely uninsured.

Penetration Rate

0.7%

roughly 1 in 153 households

Historical Claims Ratio

1 in 1

2,882 claims over 45+ years across 1,746 current policies

Avg. Claim Payout

$16,407

Per claim, county-wide since 1978

Historically, Jefferson County has averaged 1.6 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 August 2026, claims since 1978 (August 2026), population from FEMA NRI. All figures are county-wide and include Birmingham.

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: Jefferson County

Jefferson County has 281 properties with multiple flood insurance losses, including 33 severe repetitive loss properties. 5 properties have received FEMA mitigation funding. Severe repetitive loss is a subset of multiple loss, not a separate count. Data sourced August 2026.

Multiple Loss

281

2+ claims within 10 years

Severe Repetitive Loss

33

4+ claims or 2 exceeding value

Mitigated

5

Received FEMA mitigation

By Flood Zone

Zone AE
130
Zone X
93
Zone A
53

Zone data available for 276 of 281 properties.

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

Flood Insurance Discount: Birmingham

Birmingham 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). Birmingham'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.

Federal Flood Disaster History: Jefferson County

Jefferson County has been included in 14 federal flood-related disaster declarations.

2024Hurricane HeleneHurricane
2020Hurricane SallyHurricane
2017Hurricane NateHurricane
2017Hurricane IrmaHurricane
2008Hurricane GustavHurricane
2005Hurricane Katrina EvacuationHurricane
2005Hurricane KatrinaHurricane
2005Hurricane DennisHurricane

...and 6 earlier declarations since 1973.

These declarations affected communities across Jefferson County, including Birmingham.

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

Recorded Flood Events: Jefferson County

NOAA has recorded 153 flood events in Jefferson County since 1996, causing $1.0B in damage and 2 deaths.

Costliest Events

May 7, 2003Flash Flood$1B
September 22, 2002Flash Flood$5.8M
March 10, 2000Flash Flood$2M
June 14, 1999Flash Flood$500K
July 26, 2004Flash Flood$500K

Events by Type

Flash Flood
145
Flood
8

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

Flood Mitigation: Jefferson County

FEMA has funded mitigation for 1,729 properties in Jefferson County, investing $52.9M 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
934
Other
758
Retrofit
33
Tornado saferoom
3
Relocation
1

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: Jefferson 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 High

Est. annual loss: $143.1M

Hurricane Risk

Relatively Low

Est. annual loss: $1.1M

Social Vulnerability: Relatively Moderate
Community Resilience: Relatively High

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

What Your Flood Zone Means in Birmingham

Birmingham 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 Birmingham are Zone AE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $143.1M.

With both riverine and urban stormwater flood risk, insurance costs in Birmingham 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 Birmingham 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 Birmingham address.

Birmingham, AL Flood Zone FAQ

What flood zones are in Birmingham, AL?

The most common FEMA flood zones in Birmingham 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 Birmingham?

If your Birmingham 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 Birmingham?

Enter your Birmingham 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 Birmingham offer flood insurance discounts?

Yes. Birmingham 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 Birmingham experienced major flooding events?

Jefferson County, where Birmingham is located, has been part of 14 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Hurricane Helene in 2024. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.

How many flood insurance claims have been filed in Birmingham?

Jefferson County has recorded 2,882 NFIP flood insurance claims totaling $47.3M in payouts since 1978. The year with the most claims was 2003, with 311 claims and $7.7M in payouts. These figures cover all NFIP claims in the county, including Birmingham.

How many flood insurance policies are there in Birmingham?

Jefferson County had 1,746 NFIP flood insurance policies written or renewed over the trailing 13 months, with an average annual premium of $1,418. The most policies are in Zone AE (1,024 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 Birmingham properties have flooded repeatedly?

Jefferson County has 281 properties with multiple flood losses on record, including 33 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 Birmingham 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 Birmingham?

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 Birmingham'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 Birmingham, AL Address

Enter a Birmingham, AL 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.