Services provided by the Department of Revenue

The Department of Revenue offers many services to make reporting your taxes as convenient as possible. The following list contains a sampling of the Department’s services.

Our website offers a wide variety of information and resources for your business:

• Electronic filing (e-file): File and pay taxes electronically.
• Business Information Update: Notify us if your business has moved, closed, or changed activities.
• Local Offices: Find telephone numbers, office hours, and directions to a local office near you.
• Tax Rate Lookup Tool (GIS): Find the correct code and tax rate for specific locations.
• Publications and Forms: Find our tax guides, fact sheets, reports, and forms.
• Laws and Rules (Taxpedia): Search our online database for Department of Revenue rules, laws, advisories, administrative decisions, and court cases through Taxpedia.
• Contact Us: Ask a tax question. You can generally expect a response within 10 working days.

Telephone and one-on-one assistance

If you have questions, call our Telephone Information Center at 360-705-6705 or visit your local Revenue office. They can also assist you in registering your businesses or completing your tax return.

Taxpayer advocate

For assistance in understanding and accessing your rights in working with the Department of Revenue, call the Taxpayer Advocate at 360-705-6714.

Letter rulings

To receive a written letter ruling on a complex tax question, you must identify your business and include all pertinent facts surrounding the issue. Send your request to:

Interpretations & Technical Advice
Department of Revenue
PO Box 47453
Olympia, WA 98504-7453

You will generally receive a response within 10 business days. You may also fax your request to 360-705-6655 or Contact Us.