Important!

Our Tumwater office is moving. The office will be closed on Friday, October 2, and will reopen at our new location on October 5 at 1 p.m.

Nuestra oficina en Tumwater se está mudando. La oficina se cerrará el viernes 2 de octubre y reabrirá en nuestra nueva ubicación el 5 de octubre a la 1 p. m.  

Education

Industry guides

To help you better understand the tax obligations for specific industries, we've created online guides.

Events & workshops

Whether you’re a new business or you’ve been around for a while, check out our tax basics workshops.

Watch a video

Can’t attend a workshop in person? Watch one of our online workshops or tutorials.

Audits

The Department of Revenue routinely audits businesses to determine whether state excise taxes were reported and paid correctly. Learn more about the audit process and how to prepare for an audit.