Flood history · Chalmette, LA 70043
Flood insurance claims in Chalmette, LA 70043
12,005 claims since 1978 and $1.2 billion 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 70043 since 1978.
What the record says
About 50% of claims here were on properties rated outside high-risk zones (zones X, B or C). A lower-risk zone on the map is not a guarantee.
One event dominates the record: Hurricane Katrina accounts for 68% of all claims in this ZIP code.
105 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.
Biggest flood events
| Event | Year | Claims | Share |
|---|---|---|---|
| Hurricane Katrina | 2005 | 8,202 | 68% |
| Unnamed flooding | 1978 | 2,577 | 21% |
| Hurricane Rita | 2005 | 256 | 2% |
| Tropical Storm Isidore | 2002 | 128 | 1% |
| Hurricane Isaac | 2012 | 124 | 1% |
| Tropical Storm Allison | 2001 | 96 | 1% |
Flood zone at time of claim
NFIP communities
Federal disaster declarations in St. Bernard County
Flood, hurricane and storm declarations since 2000.
31 flood, storm or hurricane declarations for St. Bernard County since 2000.
Check a specific address in Chalmette.
ZIP-level history is the backdrop. See the official FEMA flood zone, ground elevation and next steps for one property, free.
Nearby Louisiana 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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