Washington County, MinnesotaSales Tax Rate 2025

Washington County, located in Southern Minnesota, has sales tax rates ranging from 6.88% to 8.88%.
The sales tax rate in Washington includes the Minnesota state tax and the district’s sales tax rates. Certain jurisdictions levy special district taxes. The table below provides a breakdown of the sales tax rate by jurisdiction.
Minnesota 6.88%
Washington County 0.00%
City + District Rates Range 0.00% – 2.00%
Combined Sales Tax Rates Range 6.88% – 8.88%

Washington County Sales Tax Calculator

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State 0.00%
County 0.00%
City 0.00%
District(s) 0.00%
The TaxHero sales tax calculator provides a combined sales tax rate based on a full address lookup. A complete address ensures precision since ZIP codes may cross different tax jurisdictions. Results are for reference and may need additional context for compliance. Contact us today for a demo and learn how TaxHero can support your business.

Who Needs To Collect Sales Tax in Washington County, Minnesota?+

Businesses are required to collect sales tax if they have a sales tax nexus in Minnesota and sell to residents of Washington, whether at a physical location within the county or online.

Physical Nexus: This occurs when a business has a tangible presence in the state. Examples include having a store, warehouse, office, or employees in Minnesota if your business operates any of these within the state, you have a physical nexus and must collect sales tax from customers in Washington.
Economic Nexus: This is based on the volume of sales or number of transactions a business conducts in the state. For instance, if your business exceeds a certain threshold of sales or transactions in Minnesota which is often defined as a specific dollar amount or number of transactions, you establish economic nexus. This means even if you don’t have a physical presence in the state, you are still required to collect sales tax from customers in Washington.

City Sales Tax Rates in Washington County, MN+

Cottage Grove
Forest Lake
Oakdale
Stillwater
Woodbury
 

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