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

The average sales tax rate in St. Mary County (LA) is 9.53%, with jurisdictions ranging between 9.45% and 10.25%.

St. Mary County • Louisiana (LA)

10 Postleitzahl (ZIP)

St. Mary County, LA Sales Tax Rates 2026

2026 sales tax rate guide for St. Mary County, LA. Average combined tax rate is 9.53% with local jurisdictions ranging up to 10.25%.

Durchschnittlicher Steuersatz

9.53%

Geschätzter Steuerbereich: 9.45% - 10.25%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the local county sales tax rate in St. Mary County (Louisiana) is 4.45%. Combined sales tax rates across cities in this county range from 9.45% to 10.25% (averaging 9.53%).

Kreissteuer (County)

4.45%

Durchschnittlicher Steuersatz

9.53%

Maximaler lokaler Steuersatz

10.25%

Erfasste Städte

Cities & Towns in St. Mary County

Stadt	Kombinierter Steuersatz	Action
Morgan City	10.25%	Steuersätze anzeigen →
Patterson	9.45%	Steuersätze anzeigen →
Berwick	9.45%	Steuersätze anzeigen →
Amelia	9.45%	Steuersätze anzeigen →
Charenton	9.45%	Steuersätze anzeigen →
Centerville	9.45%	Steuersätze anzeigen →
Sorrel	9.45%	Steuersätze anzeigen →
Siracusaville	9.45%	Steuersätze anzeigen →
Glencoe	9.45%	Steuersätze anzeigen →

📋 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 ↗

Interaktiver US-Sales-Tax-Rechner

Berechnen Sie die exakte Umsatzsteuer und den Gesamtendpreis sofort.

Adressspezifische Sätze Steuersätze aktuell für 2026

Kaufbetrag ($)

Gesamtkaufpreis Reverse Calculation

Postleitzahl (ZIP)

Bundesstaatssteuer:

Kombinierter Steuersatz:

Bundesstaatssteuer ()

Kreissteuer (County) ()

Gemeindesteuer (City) ()

Sonderbezirkssteuer ()

Gesamtkaufpreis

ZIP Codes in St. Mary County

70340 9.45% 70342 9.45% 70380 9.45% 70381 10.25% 70392 9.45% 70514 9.45% 70522 9.45% 70523 9.45% 70538 9.45% 70544 9.45%

❓ Frequently Asked Questions

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

The county tax rate for St. Mary County is 4.45%. When combined with Louisiana state taxes and local municipal/district taxes, the overall sales tax rate varies between 9.45% and 10.25%.

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