What is the sales tax rate in Slidell, Louisiana?

The combined sales tax rate in Slidell, Louisiana is 10.100% as of 2026. This includes the Louisiana state rate of 5.000% plus local jurisdiction taxes.

How is the Slidell sales tax calculated?

Multiply your purchase amount by 10.100% (or 0.01010) to get the tax owed. For example, a $100 purchase incurs $10.10 in sales tax.

What is the Louisiana state sales tax rate?

The base Louisiana state sales tax rate is 5.000%. Local jurisdictions may add additional taxes on top of this rate.

Does Slidell have a county sales tax?

Slidell does not levy an additional county-level sales tax beyond the state base rate.

When was the Slidell sales tax rate last updated?

The Slidell sales tax rate was last verified on March 27, 2026. We cross-reference all rates against the official State Department of Revenue data.

Live Data: April 2026

Slidell, LA Sales Tax Rate 2026

The combined sales tax rate in Slidell, Louisiana is 10.100%.

Combined Rate 10.100%

State5.000% City1.500%

Slidell Sales Tax Breakdown

Jurisdiction	Rate
Louisiana State Sales Tax	5.000%
City / Municipal Tax	1.500%
Special District Tax	3.600%
Total Combined Rate	10.100%

Which County Is Slidell In?

Slidell falls within St. Tammany, Louisiana. St. Tammany imposes a 1.000% county-level sales tax in addition to the Louisiana state base rate.

Slidell ZIP Codes

The following ZIP codes are mapped to Slidell for sales tax purposes. All listed codes apply the 10.100% combined rate.

70458 70460 70461

Nearby Tax Rates

Lacombe 9.0 mi

9.300%

Combined Rate

View Local Rates

Business Nexus in Louisiana

Economic Nexus Threshold

Selling into Louisiana from out of state? Once you exceed $100,000 in annual sales or 200 transactions, you must register and collect Louisiana sales tax.

FAQ: Slidell Sales Tax

The combined sales tax rate in Slidell, Louisiana is 10.100% as of 2026.

Multiply your purchase price by 10.100% to find the tax owed. A $500 purchase would include $50.50 in sales tax.

Groceries are generally taxable in Louisiana. Check the official Department of Revenue for specific exemptions.

Vehicle purchases in Slidell are subject to the 10.100% combined rate, though some states apply different rules for vehicle sales. Verify with the Louisiana Department of Revenue or DMV.

Register for a sales tax permit through the official Louisiana Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 10.100% rate for Slidell, LA

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 10.100% combined

Official Tax Authority

Louisiana Department of Revenue

Filing Deadline: Monthly returns due the 20th of the following month. File via Louisiana Taxpayer Access Point (LaTAP).

Visit Official Portal (855) 307-3893