Flood history · Galveston, TX 77550
Flood insurance claims in Galveston, TX 77550
8,119 claims since 1979 and $318.7 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 77550 since 1978.
What the record says
85% of claims were on properties in high-risk zones and 15% outside them.
One event dominates the record: Hurricane Ike accounts for 66% of all claims in this ZIP code.
611 claims were filed in the last 10 years.
The most commonly recorded cause is heavy rain or snowmelt collecting faster than it drains, which can happen far from any river or coast.
Galveston, City Of 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 Ike | 2008 | 5,354 | 66% |
| Hurricane Alicia | 1983 | 712 | 9% |
| Unnamed flooding | 1981 | 649 | 8% |
| Hurricane Harvey | 2017 | 457 | 6% |
| Tropical Storm Claudette | 1979 | 60 | 1% |
| Hurricane Claudette | 2003 | 58 | 1% |
Flood zone at time of claim
NFIP communities
Federal disaster declarations in Galveston County
Flood, hurricane and storm declarations since 2000.
16 flood, storm or hurricane declarations for Galveston County since 2000.
Check a specific address in Galveston.
ZIP-level history is the backdrop. See the official FEMA flood zone, ground elevation and next steps for one property, free.
Nearby Texas 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.