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Washington County, PA flood insurance claims history

1,131 claims under the National Flood Insurance Program have been filed for flood losses in Washington County since 1978, and FEMA has paid out $21.1M on them. The worst year was 1996 with 163 claims. Washington County ranks #21 of 67 in Pennsylvania by claim count.

At a glance

  • 22% of claims came from buildings outside FEMA’s high-risk flood zones (B, C or X), where lenders usually do not require flood insurance.
  • Flood claims were filed in 9 of the last 10 years — flooding here is a regular event, not a once-in-a-generation one.
  • More flood claims than 70% of the 67 Pennsylvania counties with any claims on file — and more than 3 of its 5 neighbors.
  • ZIP 15301 has the most claims in the county (228, 20%). Check your ZIP →
NFIP claims
1,131
1978–2026
Total paid
$21.1M
nominal dollars, not inflation-adjusted
Claims paid
79%
899 received a payment
Average payout
$23K
per paid claim
Last 10 years
298
claims 2017 – 2026
Most recent loss
2026-09-03
data as of 2026-09-08

Look up your ZIP code

Pick your ZIP code to see how many insured buildings there filed flood claims, in which years, and how much was paid — and which named floods those claims came from, which a county-wide list cannot tell you. Narrow by year or flood zone too. Everything runs in your browser — nothing you pick is sent anywhere. Have a street address? Run the printable flood check for it →

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Flood claims by year

Peak: 163 claims in 1996

Claims by year of loss, 1978–2026. Spikes line up with named storms and major rain events; quiet years still see claims from local flash flooding.

Biggest flood events in Washington County

Flood event (FEMA name)ClaimsPaidAvg / claimYear
Flooding (FEMA general label)150$1.6M$11K1996
Flooding (FEMA general label)132$1.6M$12K1985
Tropical Storm Ivan110$3.3M$30K2004
Hurricane Ida33$786K$24K2021
Hurricane Sandy1$0$02012
Hurricane Elsa1$0$02021
Not a named storm1$0$01979
Tropical Storm Bill1$0$02015
Tropical Storm Lee1$0$02011

38% of claims here fall under these 9 entries. “FEMA general label” groups many separate floods under one name; the rest of the claims have no event name.

Flood zones in Washington County: which ones the claims came from

Washington County is not in one flood zone. FEMA draws zones parcel by parcel, so one street can be Zone AE and the next Zone X — there is no single zone for a whole county. What the claim record can tell you is which zones buildings were actually rated in when they flooded, and what each zone has cost here.

High-risk A zones: 786 (69%)Coastal high-risk V zones: 0 (0%)Moderate / low-risk zones (B, C, X): 219 (19%)Zone not recorded: 126 (11%)

The most common zone on Washington County claims is Zone AE — 392 of 1,005 claims with a zone on file (39%). 78% were in a high-risk Special Flood Hazard Area, where a federally backed mortgage makes flood insurance mandatory. Open any zone below for what it means and whether it requires insurance.

Flood zone at ratingClaimsSharePaidAvg / claim
Zone AE · high risk, insurance required39239%$11.4M$29K
Zone A · high risk, insurance required22122%$4.3M$20K
Zone A1–A30 · high risk, insurance required17317%$1.8M$11K
Zone X · moderate / low risk12613%$2.0M$16K
Zone B · moderate / low risk566%$448K$8K
Zone C · moderate / low risk374%$344K$9K

The zone is the one used to rate the policy when the claim was paid, not today’s map — FEMA remaps areas, so a building rated AE in 1995 may sit in a different zone now. AHB and AOB are older AH / AO variants; A1–A30 and V1–V30 are numbered zones from pre-2000 maps. 126 Washington County claims have no zone recorded and are left out of the shares above. Not sure what the letters mean? Flood zones explained →

What caused the flooding

Cause of damage (as coded by FEMA)ClaimsShare
Stream, river or lake overflow57451%
Accumulation of rainfall or snowmelt35832%
Tidal water overflow (storm surge)12311%
Other causes565%
Not recorded141%
Earth movement or landslide30%

Flood claims by ZIP code in Washington County

55 ZIP codes in Washington County have at least one NFIP claim. ZIP codes can cross county lines; this table counts only claims FEMA assigned to Washington County.

15301228$9.2M20%282025
15063113$1.4M10%212024
1502299$977K9%172017
1534285$2.0M8%122026
1533257$909K5%162026
1505757$1.2M5%142024
1547754$315K5%112018
1548339$278K3%112018
1531735$395K3%202026
1541734$166K3%92017
1543432$246K3%62018
1541929$185K3%92024
1541221$101K2%52016
1502119$508K2%42022
1534819$199K2%52000
1555417$98K2%62010
1542317$82K2%62013
1531216$273K1%62021
1533316$148K1%72021
1532113$239K1%72024
1536712$165K1%72021
150129$128K1%52011
154328$64K1%62018
153228$57K1%62017
150558$264K1%42024
164048$4K1%42004
154387$68K1%42000
150607$25K1%52020
153237$219K1%62025
154277$34K1%32024
153106$69K1%31983
Not reported5$83K0%31985
150784$192K0%12021
150674$10K0%22004
154293$5K0%22012
153453$8K0%32004
153142$39K0%22006
153292$246K0%22024
150192$3K0%22003
153112$81K0%22025
153762$1410%11980
154782$20K0%11980
152381$11K0%11996
153301$10K0%12017
153601$2K0%12022
150331$5420%11979
150531$30K0%12021
153471$298K0%12004
154351$00%12018
153651$2K0%11998
153311$14K0%11996
153501$00%11992
153631$4K0%12004
150381$200%11978
150871$00%12011

Click a column to sort. Click a ZIP to load it in the lookup above.

When does Washington County flood?

January accounts for the most flood losses (201 claims, 18%). Claims by month of loss:

MonthClaimsShare
January20118%
February15414%
March212%
April948%
May404%
June918%
July12711%
August545%
September17716%
October40%
November15213%
December161%

Year-by-year detail

Year of lossClaimsPaid
20266$14K
202518$572K
202483$4.0M
20224$45K
202144$885K
20207$101K
20193$41K
201867$2.8M
201766$3.4M
20168$52K
20155$29K
20146$35K
201329$472K
20121$0
201118$98K
20104$20K
20091$0
20081$1K
20077$72K
20062$1K
200510$21K
2004127$3.4M
200334$227K
20023$104K
20013$11K
2000107$730K
19993$3K
19987$17K
19976$37K
1996163$1.6M
19953$6K
199410$46K
19932$5K
19924$215K
19911$3K
199017$46K
19892$12K
19871$0
19861$0
1985140$1.7M
19841$0
198312$54K
19824$280
198112$5K
198031$120K
197924$29K
197823$24K

Neighboring counties

Washington County borders 5 areas we cover. Flood risk does not stop at a county line, so it is worth comparing.

NeighborClaimsPaidOutside high-risk
Washington County (this page)1,131$21.1M22%
Allegheny County4,832$81.6M34%
Westmoreland County1,612$21.6M35%
Beaver County832$13.7M16%
Fayette County722$10.1M21%
Greene County265$3.5M29%

All 67 Pennsylvania counties → · County and ZIP rankings →

Common questions about flooding in Washington County

Has Washington County flooded recently?
Yes — the most recent flood loss with an insurance claim on file was on 2026-09-03, and claims were filed in 9 of the last 10 years (298 claims from 2017 to 2026). FEMA’s data runs to 2026-09-08, so the newest events may not appear yet.
What flood zone is Washington County in?
There is no single answer — zones are drawn parcel by parcel, so one street can be Zone AE and the next Zone X. Across 1,005 Washington County claims with a zone on file, the most common was Zone AE (39%), and 78% were in a high-risk Special Flood Hazard Area. For one address, look it up on the free flood check or FEMA’s Flood Map Service Center; the zone breakdown above shows what each zone has cost here.
Do I need flood insurance in a low-risk zone here?
Lenders generally require it only in high-risk A and V zones. But 22% of Washington County’s claims came from moderate- and low-risk zones. Whether to buy coverage is your call — see flood zones explained and check your address on the FEMA Flood Map Service Center.
Can I see whether a specific house has flooded?
Not here. FEMA removes addresses before publishing, so these figures describe areas, never a property. Our guide how to check if a house has flooded lists the questions and records that can tell you about a specific home.
Why might the real number of floods be higher?
Only buildings with National Flood Insurance can file these claims, and most homes are not insured for flood. More on what the counts mean in understanding NFIP claims data.

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About these numbers

Figures are aggregated from FEMA’s OpenFEMA NFIP Redacted Claims dataset (county FIPS 42125, data as of 2026-09-08). They cover only properties that carried National Flood Insurance — most homes do not, and private flood policies are not included — so real flood damage is larger than these counts show. Dollar amounts are as paid, in nominal dollars. Flood zone is the zone used to rate the policy at the time, which may differ from today’s map. FEMA states this dataset is not an official federal report. Use it for background, not for a purchase, insurance or legal decision; for a specific property ask the seller for its flood disclosure or the owner’s NFIP loss history.

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