What is the sales tax for Slidell, Louisiana? - The sales tax for Slidell, Louisiana is 10.13% as of 2026. 10.13% is the combine sales tax from 5% of Louisiana state sales tax, 0% of local sales tax, and 0% of St. Tammany county sales tax.
| State | Louisiana | State Tax | 5% |
|---|---|---|---|
| City | Slidell | City Tax | 0% |
| County | St. Tammany | County Tax | 0% |
| Special Tax | 5.13% | ||
| Total Sales Tax | 10.13% | ||
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