What is the sales tax rate in St. Tammany County, LA?

The average sales tax rate in St. Tammany County (LA) is 9.49%, with jurisdictions ranging between 9.25% and 9.75%.

St. Tammany County • Louisiana (LA)

14 Codice Postale (ZIP)

St. Tammany County, LA Sales Tax Rates 2026

2026 sales tax rate guide for St. Tammany County, LA. Average combined tax rate is 9.49% with local jurisdictions ranging up to 9.75%.

Aliquota Media Combinata

9.49%

Intervallo Imposta Stimato: 9.25% - 9.75%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the local county sales tax rate in St. Tammany County (Louisiana) is 0.00%. Combined sales tax rates across cities in this county range from 9.25% to 9.75% (averaging 9.49%).

Imposta di Contea

0.00%

Aliquota Media Combinata

9.49%

Aliquota Locale Massima

9.75%

Città Censite

Cities & Towns in St. Tammany County

Città	Aliquota Combinata	Action
Mandeville	9.75%	Visualizza Aliquote →
Slidell	9.63%	Visualizza Aliquote →
Covington	9.25%	Visualizza Aliquote →
Eden Isle	9.25%	Visualizza Aliquote →
Lacombe	9.25%	Visualizza Aliquote →
Abita Springs	9.25%	Visualizza Aliquote →
Pearl River	9.50%	Visualizza Aliquote →
Madisonville	9.25%	Visualizza Aliquote →
Folsom	9.75%	Visualizza Aliquote →
Lewisburg	9.25%	Visualizza Aliquote →
Sun	9.75%	Visualizza Aliquote →

📋 State Tax Rules & Compliance Guide

Sourcing Rule: Destination-based

Groceries & Food: Exempt (0% Tax)

Clothing & Apparel: Taxable at standard rate

SaaS & Digital Goods: Non-Taxable

Economic Nexus Threshold: $100,000 in sales or 200 separate transactions

Official Tax Authority: Louisiana Department of Revenue ↗

Calcolatore Interattivo Sales Tax

Calcola all'istante l'imposta sulle vendite esatta e il prezzo totale di acquisto.

Aliquote per Indirizzo Aliquote aggiornate al 2026

Importo Acquisto ($)

Prezzo Totale Acquisto Reverse Calculation

Codice Postale (ZIP)

Imposta Statale:

Aliquota Combinata:

Imposta Statale ()

Imposta di Contea ()

Imposta Comunale ()

Distretto Speciale ()

Prezzo Totale Acquisto

ZIP Codes in St. Tammany County

70420 9.25% 70433 9.25% 70437 9.75% 70445 9.25% 70447 9.25% 70448 9.25% 70452 9.50% 70458 9.25% 70459 9.63% 70460 9.63% 70463 9.75% 70469 9.63% 70470 9.75% 70471 9.75%

❓ Frequently Asked Questions

Key questions and answers regarding sales tax rates, exemptions, and compliance.

The county tax rate for St. Tammany County is 0.00%. When combined with Louisiana state taxes and local municipal/district taxes, the overall sales tax rate varies between 9.25% and 9.75%.

In Louisiana, grocery items are currently Exempt (0% Tax). SaaS and digital automated goods are Non-Taxable.