Your obligation to collect sales tax in Washington depends on whether you establish nexus, which can be physical or economic. Physical nexus is tied to a physical presence, while economic nexus is determined by meeting specific revenue or transaction thresholds.

Is SaaS taxable in Washington?

SaaS is generally subject to sales tax in Washington, but certain exemptions may apply.

How to get a sales tax permit in Washington

Washington-based sellers should apply for a Washington Business License through the Washington State Department of Revenue. Out-of-state sellers with nexus in Washington should also register for a Washington Business License.

How to Collect Washington Sales Tax If You Have a Location in Washington

If you operate within Washington and make sales in the state, you’re responsible for collecting the applicable sales tax rate based on your location.

How to Collect Washington Sales Tax If You Do NOT Have a Location in Washington

Out-of-state sellers with Washington nexus must collect and remit Washington’s use tax from Washington buyers.

Sales Tax Due Dates in Washington

Washington sales tax return due dates depend on your assigned filing frequency, which may be monthly, quarterly, or annually.

Sales Tax on Shipping Charges in Washington

Shipping charges in Washington are generally taxable, but certain exceptions may apply.

This guide aids you in decoding Washington’s sales tax regulations, simplifying your journey through the Evergreen State’s tax system. Ensure compliance and optimize your sales tax collection and remittance processes.