Slidell, Louisiana Sales Tax Calculator (2026)
9.45% total combined rate — includes state and local taxes.
Slidell’s total rate is around 9.45%, combining state and local parish taxes.
Slidell Sales Tax Calculator
Enter a purchase amount — we’ll calculate the total with Slidell’s tax rate.
Rate
9.45%
Tax
–
Total
–
The current combined rate for Slidell is 9.45%.
Slidell Sales Tax Breakdown
- State Rate: 4.45%
- City Rate: 5.00%
- County Rate: 0.00%
- Special Rate: 0.00%
- Total: 9.45%
About Slidell
Slidell’s sales tax funds coastal infrastructure and local public safety projects within St. Tammany Parish.