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Sales tax in Sun (St. Tammany Parish), LA

9.75% combined sales tax rate

The combined sales tax rate in Sun (St. Tammany Parish), LA is 9.75%, effective 2025-07-01.

Last verified

ZIP codes
2 on file · 1 wholly inside the city limits
County
St. Tammany Parish
Levied by
Louisiana and Sun (St. Tammany Parish)
City limits of Sun (St. Tammany Parish), LA, covering 4.3 square miles of land
City limits · 4.3 sq mi Census TIGER/Line 2024, simplified. Not a tax boundary: districts cross it and the rate can differ inside it.

How the combined rate in Sun (St. Tammany Parish), LA is made up

Each government below levies its own share. A seller collects them together at the till and passes each share to the authority that levied it.

Tax rate components in Sun (St. Tammany Parish), LA, with the source of each
Jurisdiction Type Rate Effective Source
Louisiana state 5% Jan 1, 2025 Louisiana state sales tax rate
Sun (St. Tammany Parish) city 4.75% Jul 1, 2025 Louisiana domicile rate listing, Sales and Use Tax Commission for Remote Sellers
Combined rate 9.75%

ZIP codes in Sun (St. Tammany Parish)

2 on file — 1 wholly inside the city limits and 1 crossing them. Each has its own page.

1 ZIP code wholly inside Sun (St. Tammany Parish)

Every address in these is inside the city limits, so all of them pay Sun (St. Tammany Parish)'s rate.

ZIP codes in Sun (St. Tammany Parish) with the combined sales tax figure for each
ZIP code Combined rate Also reaches
70463 ~9.75% no other city

1 ZIP code crossing the city line

Part of each of these lies outside Sun (St. Tammany Parish). An address in one may be taxed at a neighbour's rate instead, and the figure shown is the most likely one across the whole ZIP code.

ZIP codes in Sun (St. Tammany Parish) with the combined sales tax figure for each
ZIP code Combined rate Also reaches
70427 ~9.75% no other city

How Sun (St. Tammany Parish) compares with the rest of Louisiana

Sun (St. Tammany Parish)'s 9.75% is above what most ZIP codes carry in Louisiana. Of the state's 719 ZIP codes with a figure, 10 land on the same one, 514 carry a lower figure and 195 a higher one. Across Louisiana the combined rate runs from 5% to 12%. See every city in Louisiana.

The most common combined sales tax figures in Louisiana, by number of ZIP codes
Combined rate ZIP codes Which is this city
~5% 470
~10% 47
~10.5% 44
~11% 32
~10.25% 21
~9.75% 10 Sun (St. Tammany Parish)

Counted from ZIP-code figures. A tilde marks a band where some ZIP codes cross a tax boundary and are counted at their most likely rate.

How sales tax is collected

The seller generally collects the tax from the buyer at the point of sale and passes it to the authorities that levied it. In most states it is added at the till rather than included in the advertised price. Read how sales tax works, including sourcing rules, online purchases and who is required to collect.

Rates last verified: Sep 4, 2026. This is when the source was last read, not when this page was last edited.

TaxAndTips provides informational estimates from published tax-rate data. Actual tax treatment can depend on the product or service, the exact address, the transaction, exemption status and applicable law. For official obligations, consult the taxing authority or a qualified tax professional.

Why you can rely on these figures

Published rates
State and local rates compiled from the tax authorities that levy them.
Every figure sourced
See the jurisdiction breakdown and the document each rate came from.
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