2026 Martinsburg, Missouri Sales Tax Calculator & Rate

8.36%

Martinsburg combined sales tax rate for 2026

Missouri

4.23%
Audrain County

2.13%
Martinsburg

1.5%
Audrain Co Amb Dist Sp

0.5%

Minimum combined sales tax rate

8.36%

*Rates are rounded to the nearest hundredth. Due to varying local sales tax rates, we strongly recommend our lookup and calculator tools on this page for the most accurate rates.

Martinsburg sales tax details

The minimum combined 2026 sales tax rate for Martinsburg, Missouri is 8.36%. This is the total of state, county, and city sales tax rates. The Missouri sales tax rate is currently 4.23%. The Martinsburg sales tax rate is 1.5%.

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Sales tax rate lookup and sales tax item calculator

Look up the current rate for a specific address using the same geolocation technology that powers the Avalara AvaTax rate calculation engine.

Tax rates can vary within a county, a city, or even a ZIP code. Using a street address helps to ensure more accurate rates and calculations when compared to relying on broader geographic indicators.

*Rates are rounded to the nearest hundredth.

Enter any U.S. address to get the sales tax rate for your exact location

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Minimum combined sales tax rate

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Additional Resources

Martinsburg rates by ZIP and neighboring cities

Note: There can be variations within city and county lines. For more accurate rates, use the sales tax calculator.