Skip to main content
FludZone

Alexandria, VA Flood Zone Lookup

Last updated: March 2026

Alexandria faces tidal flooding from the Potomac River that is increasing in frequency due to sea level rise. The historic Old Town waterfront floods regularly during high tide and storm events.

Alexandria County has recorded 403 NFIP flood insurance claims since 1978, totaling $7.2M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 3

NFIP Policies

1,856

Alexandria County

Avg. Premium

$918/yr

Alexandria County

FEMA Flood Risk Profile: Alexandria 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: $26.5M

Coastal Flood Risk

Relatively Low

Est. annual loss: $408K

Hurricane Risk

Relatively Low

Est. annual loss: $2.1M

Social Vulnerability: Very Low
Community Resilience: Relatively Moderate

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

Federal Flood Disaster History: Alexandria County

Alexandria County has been included in 9 federal flood-related disaster declarations.

2018Hurricane FlorenceHurricane
2012Hurricane SandyHurricane
2011Hurricane IreneHurricane
2005Hurricane Katrina EvacuationHurricane
2003Hurricane IsabelHurricane
1985Severe Storms & FloodingFlood
1972Severe Storms & FloodingFlood
1972Tropical Storm AgnesFlood

...and 1 earlier declaration since 1972.

These declarations affected communities across Alexandria County, including Alexandria.

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

NFIP Flood Insurance Claims: Alexandria County

Properties in Alexandria County have filed 403 NFIP flood insurance claims totaling $7.2M in payouts since 1978. The average claim payout is $18K.

Highest-Claim Years

2019

81 claims - $2.9M

2020

65 claims - $872K

2003

53 claims - $1.6M

Claims by Flood Zone

Zone X
237(avg. $11K)
Zone AE
131(avg. $32K)
Zone A
35(avg. $13K)

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

Active NFIP Policies: Alexandria County

Alexandria County currently has 1,856 active NFIP flood insurance policies with an average annual premium of $918, totaling $1.7M in annual premiums.

Average Annual Premium

Alexandria County$918
National Average$915

Policies by Flood Zone

Zone AE
995(avg. $1,170/yr)
Zone X
861(avg. $627/yr)

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

Flood Insurance Coverage: Alexandria County

Only roughly 1 in 34 households in Alexandria County carries NFIP flood insurance (3% of estimated households). With 64 recorded flood events and $98K in damage, most flood losses in this county are likely uninsured.

Penetration Rate

3%

roughly 1 in 34 households

Historical Claims Ratio

1 in 5

403 claims over 45+ years across 1,856 current policies

Avg. Claim Payout

$17,854

Per claim, county-wide since 1978

Historically, Alexandria County has averaged 1 claim for every 5 active policies (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 Alexandria.

What Your Flood Zone Means in Alexandria

Alexandria 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 Alexandria are Zone AE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $26.5M.

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

Repetitive Loss Properties: Alexandria County

Alexandria County has 39 properties with multiple flood insurance losses, including 4 severe repetitive loss properties. 1 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

39

2+ claims within 10 years

Severe Repetitive Loss

4

4+ claims or 2 exceeding value

Mitigated

1

Received FEMA mitigation

By Flood Zone

Zone AE
25
Zone X
12
Zone A
2

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

Recorded Flood Events: Alexandria (c) County

NOAA has recorded 64 flood events in Alexandria (c) County since 1996, causing $98K in damage.

Costliest Events

June 20, 2015Flash Flood$50K
June 25, 2006Flash Flood$35K
August 26, 1999Flash Flood$10K
February 17, 1998Coastal Flood$2K
February 4, 1998Coastal Flood$1K

Events by Type

Flash Flood
44
Flood
17
Coastal Flood
2
Storm Surge/Tide
1

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

Flood Insurance Discount: Alexandria

Alexandria 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 6

SFHA Premium Discount

20% off

CRS classes range from 1 (best) to 10 (no discount). Alexandria's Class 6 rating means NFIP policyholders in the SFHA can receive up to a 20% 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.

Alexandria, VA Flood Zone FAQ

What flood zones are in Alexandria, VA?

The most common FEMA flood zones in Alexandria 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 Alexandria?

If your Alexandria 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 Alexandria?

Enter your Alexandria 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 Alexandria offer flood insurance discounts?

Yes. Alexandria participates in FEMA's Community Rating System (CRS) with a Class 6 rating, qualifying residents in the Special Flood Hazard Area for up to a 20% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 10% discount.

Has Alexandria experienced major flooding events?

Alexandria County, where Alexandria is located, has been part of 9 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Hurricane Florence in 2018. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.

How many flood insurance claims have been filed in Alexandria?

Alexandria County has recorded 403 NFIP flood insurance claims totaling $7.2M in payouts since 1978. The year with the most claims was 2019, with 81 claims and $2.9M in payouts. These figures cover all NFIP claims in the county, including Alexandria.

How many flood insurance policies are active in Alexandria?

Alexandria County currently has 1,856 active NFIP flood insurance policies with an average annual premium of $918. The most policies are in Zone AE (995 policies). These figures cover all active NFIP policies in the county.

How many Alexandria properties have flooded repeatedly?

Alexandria County has 39 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 Alexandria 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 Alexandria?

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 Alexandria'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 Alexandria, VA Address

Enter a Alexandria, VA 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.