What is the sales tax for Mermentau, Louisiana? - The sales tax for Mermentau, Louisiana is 9.25% as of 2025. 9.25% is the combine sales tax from 5% of Louisiana state sales tax, 4.25% of local sales tax, and 0% of Acadia county sales tax.
| State | Louisiana | State Tax | 5% | 
|---|---|---|---|
| City | Mermentau | City Tax | 4.25% | 
| County | Acadia | County Tax | 0% | 
| Special Tax | 0% | ||
| Total Sales Tax | 9.25% | ||
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