LA tax rules›St. Tammany Parish

St. Tammany Parish, LA Sales Tax (2026)

Verified Jun 18, 2026

Combined sales tax 9.63% (5.00% LA state + 4.63% local) in Slidell; Covington 9.25%, Mandeville 9.75%.

Official source: parishe-file.revenue.louisiana.gov →

General legal information, not legal advice — verify important decisions with a licensed professional.

← All LA tax rules

LawLert is an independent app, not affiliated with any government — informational only, not legal advice. Verify with a licensed attorney in your jurisdiction.