Flood history · Slidell, LA 70459
Flood insurance claims in Slidell, LA 70459
85 claims since 1979 and $2.7 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 70459 since 1978.
What the record says
88% of claims were on properties in high-risk zones and 12% outside them.
One event dominates the record: Unnamed flooding accounts for 45% of all claims in this ZIP code.
No claims were recorded in the last 10 years. Older floods still show what the area can do.
The most commonly recorded cause is heavy rain or snowmelt collecting faster than it drains, which can happen far from any river or coast.
St. Tammany Parish* takes part in FEMA's Community Rating System (class 7), which can lower flood insurance premiums by up to 15% in high-risk zones.
Biggest flood events
| Event | Year | Claims | Share |
|---|---|---|---|
| Unnamed flooding | 1995 | 38 | 45% |
| Hurricane Katrina | 2005 | 10 | 12% |
| Hurricane Juan | 1985 | 9 | 11% |
| Tropical Storm Isidore | 2002 | 6 | 7% |
| Hurricane Isaac | 2012 | 2 | 2% |
| Tropical Storm Allison | 2001 | 2 | 2% |
Flood zone at time of claim
NFIP communities
Federal disaster declarations in St. Tammany County
Flood, hurricane and storm declarations since 2000.
31 flood, storm or hurricane declarations for St. Tammany County since 2000.
Check a specific address in Slidell.
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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