Flood history · Largo, FL 33770
Flood insurance claims in Largo, FL 33770
391 claims since 1979 and $41.2 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 33770 since 1978.
What the record says
86% of claims were on properties in high-risk zones and 14% outside them.
One event dominates the record: Hurricane Helene accounts for 58% of all claims in this ZIP code.
Flooding here is recent: 267 claims (68%) were 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.
Pinellas County * takes part in FEMA's Community Rating System (class 2), which can lower flood insurance premiums by up to 40% in high-risk zones.
Biggest flood events
| Event | Year | Claims | Share |
|---|---|---|---|
| Hurricane Helene | 2024 | 227 | 58% |
| Unnamed flooding | 1988 | 53 | 14% |
| Hurricane Milton | 2024 | 31 | 8% |
| Blizzard of 1993 | 1993 | 13 | 3% |
| Hurricane Jeanne | 2004 | 5 | 1% |
| Hurricane Hermine | 2016 | 4 | 1% |
Flood zone at time of claim
NFIP communities
Federal disaster declarations in Pinellas County
Flood, hurricane and storm declarations since 2000.
25 flood, storm or hurricane declarations for Pinellas County since 2000.
Check a specific address in Largo.
ZIP-level history is the backdrop. See the official FEMA flood zone, ground elevation and next steps for one property, free.
Nearby Florida 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.