What is the sales tax in Slidell city? - The sales tax in Slidell city of Louisiana is 10.13% as of 2025. Use the Slidell sales tax calculator to calculate the sales tax for any purchase in Slidell.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Slidell.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| St. Tammany | Louisiana | Slidell | 70458 | 5% | 0% | 0% | 10.13% |