Flood history · Onancock, VA 23417
Flood insurance claims in Onancock, VA 23417
279 claims since 1979 and $3.5 million paid. Here's what the public record shows, and how to check a specific address.
Claims by year
Every NFIP flood insurance claim reported in ZIP 23417 since 1978.
What the record says
Almost all claims here (99%) were on properties in high-risk zones (A or V). In those zones, federally regulated lenders require flood insurance.
One event dominates the record: Hurricane Floyd accounts for 43% of all claims in this ZIP code.
22 claims were filed in the last 10 years.
The most commonly recorded cause is rivers, streams or lakes overflowing.
Accomack County * takes part in FEMA's Community Rating System (class 5), which can lower flood insurance premiums by up to 25% in high-risk zones.
Biggest flood events
| Event | Year | Claims | Share |
|---|---|---|---|
| Hurricane Floyd | 1999 | 120 | 43% |
| Hurricane Sandy | 2012 | 64 | 23% |
| Hurricane Gloria | 1985 | 23 | 8% |
| Hurricane Michael | 2018 | 16 | 6% |
| Hurricane Irene | 2011 | 14 | 5% |
| November 2009 Nor'easter | 2009 | 5 | 2% |
Flood zone at time of claim
NFIP communities
Federal disaster declarations in Accomack County
Flood, hurricane and storm declarations since 2000.
9 flood, storm or hurricane declarations for Accomack County since 2000.
Check a specific address in Onancock.
ZIP-level history is the backdrop. See the official FEMA flood zone, ground elevation and next steps for one property, free.
Sources: FEMA OpenFEMA NFIP Redacted Claims (v3) and Disaster Declarations Summaries, FEMA NFIP Community Status Book; place names from GeoNames (CC BY 4.0). Data as of 2026-10-09. Payments are net building + contents payments in dollars at the time paid, not adjusted for inflation. Claims are grouped by the ZIP code reported on the claim. This product uses the FEMA OpenFEMA API but is not endorsed by FEMA. Information only; not an official flood zone determination or insurance advice.