Augusta Sales Tax
What is the sales tax for Augusta, Missouri? - The sales tax for Augusta, Missouri is 7.45% as of 2026. 7.45% is the combine sales tax from 4.225% of Missouri state sales tax, 1.5% of local sales tax, and 1.725% of St. Charles county sales tax.
| State | Missouri | State Tax | 4.225% |
|---|---|---|---|
| City | Augusta | City Tax | 1.5% |
| County | St. Charles | County Tax | 1.725% |
| Special Tax | 0% | ||
| Total Sales Tax | 7.45% | ||
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