County Hazards

States › South Carolina › Charleston County › ZIP 29403

ZIP code 29403, Charleston County, South Carolina

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 995 NFIP claims for ZIP 29403 (Charleston County, South Carolina), with $9.2M paid on 626 claims since 1978.

That is 5.2% of the 19,289 claims recorded across Charleston County. The average paid claim in the ZIP is $15K, lower than the county average of $24K and the South Carolina average of $30K.

FEMA counts 58 repetitive-loss properties and 6 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 46,856 residential flood policies in force, covering 31.7% of residential structures.

995NFIP claims since 1978
626paid claims
$9.2Mtotal paid
$15Kaverage paid claim

Compared with the county and state

MeasureZIP 29403CharlestonSouth CarolinaUS
Claims since 197899519,28949,6222,680,429
Share of claims paid63%69%70%78%
Average paid claim$15K$24K$30K$43K
Share of county claims5.2%100%——
Repetitive-loss properties581,2453,817—

Claims by year of loss

197820022026
NFIP claims in ZIP 29403 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s8$4,092
1980s477$4,312,382
1990s105$141,872
2000s76$484,585
2010s275$3,427,610
2020s54$850,104
Year of lossClaimsPaid claimsAmount paidAverage paid
202511$21,988$21,988
2024127$225,076$32,154
20231712$426,607$35,551
202282$19,517$9,758
202142$5,672$2,836
20201210$151,244$15,124
201983$18,852$6,284
20182010$128,830$12,883
20175043$1,456,689$33,876
20166237$769,613$20,800
201511467$931,295$13,900
201422$13,274$6,637
2013104$14,986$3,746
201275$86,842$17,368
201111$7,229$7,229
201010$0—
2009108$56,498$7,062
20081412$153,806$12,817
200743$11,116$3,705
2006125$107,304$21,461
200587$72,447$10,350
2004139$49,052$5,450
200351$2,013$2,013
200242$12,405$6,202
200154$19,945$4,986
200010$0—
19992811$24,520$2,229
199895$13,275$2,655
199788$11,188$1,398
199673$8,873$2,958
199510$0—
19942215$22,699$1,513
199384$6,312$1,578
199243$42,986$14,329
199120$0—
19901612$12,019$1,002
1989423271$4,254,828$15,700
1988138$20,330$2,541
198743$4,356$1,452
198610$0—
1985107$9,959$1,423
198430$0—
198342$620$310
19821813$22,291$1,715
198110$0—
197973$3,616$1,205
197811$476$476

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: Charleston County

Charleston County has 1,921 weather events in the NCEI record since 1950 (118 in the last 12 months), 27 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 595; hurricane-strength tracks within 50 miles: 17.

Hail: 300 · Tornado: 61 · Flood: 595 · Wind: 712 · Winter: 35 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 29403?

995 claims since 1978 in the OpenFEMA NFIP claims file, 626 of them with a payment.

How much has the NFIP paid out in ZIP 29403?

$9.2M across 626 paid claims (building, contents and increased-cost-of-compliance payments combined), about $15K per paid claim.

Which year had the most flood claims in 29403?

1989, with 423 claims and $4.3M paid.

What county is ZIP 29403 in?

Most claims in this ZIP carry the county code for Charleston County, South Carolina; 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 1 Oct 2026. See the guide to redacted NFIP claims and the methodology.