Flood history · Avondale, PA 19311
Flood insurance claims in Avondale, PA 19311
57 claims since 1985 and $3.6 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 19311 since 1978.
What the record says
75% of claims were on properties in high-risk zones and 25% outside them.
Losses are spread across many events; the largest, Hurricane Isaias, accounts for 14% of claims.
Flooding here is recent: 20 claims (35%) were in the last 10 years.
The most commonly recorded cause is rivers, streams or lakes overflowing.
Biggest flood events
| Event | Year | Claims | Share |
|---|---|---|---|
| Hurricane Isaias | 2020 | 8 | 14% |
| Hurricane Irene | 2011 | 6 | 11% |
| Hurricane Ida | 2021 | 5 | 9% |
| Hurricane Floyd | 1999 | 3 | 5% |
| Hurricane Debby | 2024 | 3 | 5% |
| Mid-spring storms | 2014 | 2 | 4% |
Flood zone at time of claim
NFIP communities
Federal disaster declarations in Chester County
Flood, hurricane and storm declarations since 2000.
12 flood, storm or hurricane declarations for Chester County since 2000.
Check a specific address in Avondale.
ZIP-level history is the backdrop. See the official FEMA flood zone, ground elevation and next steps for one property, free.
Nearby Pennsylvania ZIP codes
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.
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