County Hazards

States › Maryland › Frederick County › ZIP 21777

ZIP code 21777, Frederick County, Maryland

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 60 NFIP claims for ZIP 21777 (Frederick County, Maryland), with $821K paid on 55 claims since 1978.

That is 22.1% of the 271 claims recorded across Frederick County. The average paid claim in the ZIP is $15K, higher than the county average of $10K and the Maryland average of $23K.

FEMA counts 13 repetitive-loss properties and 5 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 501 residential flood policies in force, covering 0.6% of residential structures.

60NFIP claims since 1978
55paid claims
$821Ktotal paid
$15Kaverage paid claim

Compared with the county and state

MeasureZIP 21777FrederickMarylandUS
Claims since 19786027125,3762,680,429
Share of claims paid92%74%59%78%
Average paid claim$15K$10K$23K$43K
Share of county claims22.1%100%——
Repetitive-loss properties13251,305—

Claims by year of loss

197820022026
NFIP claims in ZIP 21777 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s1$5,716
1980s20$172,885
1990s39$642,078
2000s0$0
2010s0$0
2020s0$0
Year of lossClaimsPaid claimsAmount paidAverage paid
19963938$642,078$16,897
198710$0—
19851615$165,238$11,016
198431$7,647$7,647
197911$5,716$5,716

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: Frederick County

Frederick County has 1,624 weather events in the NCEI record since 1950 (42 in the last 12 months), 23 federal disaster declarations, and an overall National Risk Index rating of "Relatively Low". Flood-type events recorded in the county: 311; hurricane-strength tracks within 50 miles: 1.

Hail: 86 · Tornado: 38 · Flood: 311 · Wind: 692 · Winter: 236 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 21777?

60 claims since 1978 in the OpenFEMA NFIP claims file, 55 of them with a payment.

How much has the NFIP paid out in ZIP 21777?

$821K across 55 paid claims (building, contents and increased-cost-of-compliance payments combined), about $15K per paid claim.

Which year had the most flood claims in 21777?

1996, with 39 claims and $642K paid.

What county is ZIP 21777 in?

Most claims in this ZIP carry the county code for Frederick County, Maryland; 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.