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.