County Hazards

States › Texas › Harris County › ZIP 77503

ZIP code 77503, Harris County, Texas

National Flood Insurance Program claims and payouts recorded for this ZIP code, with county context.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NFIP claims as of 8 Sep 2026.

OpenFEMA lists 1,799 NFIP claims for ZIP 77503 (Harris County, Texas), with $35M paid on 1,437 claims since 1978.

That is 1.1% of the 170,854 claims recorded across Harris County. The average paid claim in the ZIP is $24K, lower than the county average of $63K and the Texas average of $55K.

FEMA counts 94 repetitive-loss properties and 18 severe repetitive-loss properties in the ZIP (properties with two or more paid flood claims); their locations are not published.

At county level FEMA counts 206,279 residential flood policies in force, covering 16.6% of residential structures.

1,799NFIP claims since 1978
1,437paid claims
$35Mtotal paid
$24Kaverage paid claim

Compared with the county and state

MeasureZIP 77503HarrisTexasUS
Claims since 19781,799170,854394,2042,680,429
Share of claims paid80%82%80%78%
Average paid claim$24K$63K$55K$43K
Share of county claims1.1%100%——
Repetitive-loss properties9416,61234,444—

Claims by year of loss

197820022026
NFIP claims in ZIP 77503 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s221$1,857,884
1980s418$3,471,748
1990s370$4,131,753
2000s570$15,376,264
2010s208$9,665,365
2020s12$28,615
Year of lossClaimsPaid claimsAmount paidAverage paid
202450$0—
202221$1,384$1,384
202131$22,443$22,443
202021$4,787$4,787
20192018$432,658$24,037
2017173153$9,058,322$59,205
201631$5,822$5,822
2015109$163,139$18,127
201211$3,050$3,050
201011$2,373$2,373
20093331$420,092$13,551
20085032$362,870$11,340
20072423$821,373$35,712
20063026$637,182$24,507
200510$0—
20022828$357,959$12,784
2001401343$12,772,099$37,236
200031$4,689$4,689
199999$62,313$6,924
199812792$1,191,915$12,956
19979059$847,057$14,357
19964644$1,105,147$25,117
199510$0—
19949460$925,322$15,422
199210$0—
199120$0—
198911680$1,539,497$19,244
19875126$246,311$9,473
198621$4,328$4,328
19851910$75,973$7,597
198461$305$305
19839684$748,036$8,905
1981126113$856,997$7,584
198021$300$300
1979221187$1,857,884$9,935

Claims are counted by year of loss as recorded in OpenFEMA's redacted NFIP claims file; amounts combine building, contents and increased-cost-of-compliance payments. ZIP codes in the file are the policyholder's reported ZIP.

County context: Harris County

Harris County has 2,064 weather events in the NCEI record since 1950 (34 in the last 12 months), 41 federal disaster declarations, and an overall National Risk Index rating of "Very High". Flood-type events recorded in the county: 235; hurricane-strength tracks within 50 miles: 10.

Hail: 607 · Tornado: 254 · Flood: 235 · Wind: 720 · Winter: 16 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 77503?

1,799 claims since 1978 in the OpenFEMA NFIP claims file, 1,437 of them with a payment.

How much has the NFIP paid out in ZIP 77503?

$35M across 1,437 paid claims (building, contents and increased-cost-of-compliance payments combined), about $24K per paid claim.

Which year had the most flood claims in 77503?

2001, with 401 claims and $13M paid.

What county is ZIP 77503 in?

Most claims in this ZIP carry the county code for Harris County, Texas; ZIP codes can cross county lines. The county page carries the storm record, declarations and risk index for the area.

Provenance

OpenFEMA NfipClaims v3 (as of 8 Sep 2026) and NfipMultipleLossProperties v1 (2 Aug 2026), aggregated by ZIP code and year of loss on this site; no property-level record is shown. County storm figures from NOAA NCEI through 30 Jun 2026. Built 30 Sep 2026. See the guide to redacted NFIP claims and the methodology.