What is the sales tax rate in Mandeville, Louisiana?

The combined sales tax rate in Mandeville, Louisiana is 9.800% as of 2026. This includes the Louisiana state rate of 5.000% plus local jurisdiction taxes.

How is the Mandeville sales tax calculated?

Multiply your purchase amount by 9.800% (or 0.00980) to get the tax owed. For example, a $100 purchase incurs $9.80 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 Mandeville have a county sales tax?

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

When was the Mandeville sales tax rate last updated?

The Mandeville 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

Mandeville, LA Sales Tax Rate 2026

The combined sales tax rate in Mandeville, Louisiana is 9.800%.

Combined Rate 9.800%

State5.000% City4.800%

Mandeville Sales Tax Breakdown

Jurisdiction	Rate
Louisiana State Sales Tax	5.000%
City / Municipal Tax	4.800%
Total Combined Rate	9.800%

Which County Is Mandeville In?

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

Mandeville ZIP Codes

The following ZIP codes are mapped to Mandeville for sales tax purposes. All listed codes apply the 9.800% combined rate.

70448 70471

Nearby Tax Rates

Combined Rate

Combined Rate

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: Mandeville Sales Tax

The combined sales tax rate in Mandeville, Louisiana is 9.800% as of 2026.

Multiply your purchase price by 9.800% to find the tax owed. A $500 purchase would include $49.00 in sales tax.

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

Vehicle purchases in Mandeville are subject to the 9.800% 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 9.800% rate for Mandeville, LA

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 9.800% 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