Telephone information center

For assistance or questions call 360-705-6705.

Tax rulings

If you have a tax-related question specific to your business, you may request more specific help. You can email the department at and we will send you a binding tax ruling, which is a letter that describes your tax obligation in greater detail. You must include the business name and other business details you find important. Tax rulings are binding on both the taxpayer and the Department of Revenue.

Tax rate lookup tools

To access online, visit and select “Find a sales tax rate.” To access through a mobile phone, download the app at

Local field offices

To locate the office nearest you, visit and select “Contact Us.