Hours: Generally available Monday, Tuesday, Thursday, and Friday from 8 a.m. - 5 p.m. and Wednesday from 9 a.m. - 5 p.m. Closed on holidays.
Please check our Questions & Answers. If you don't find the answer you are looking for, send us an email by clicking on one of the topics below.
For immediate assistance, call us at 1-800-647-7706*.
Hours: Monday, Tuesday, Thursday, and Friday from 8 a.m. - 5 p.m. and Wednesday from 9 a.m. - 5 p.m. Closed on holidays.
Revenue telephone directory – Locate telephone numbers for specific Revenue taxes and programs.
Business Licensing Service – For assistance with business licensing and renewals, call us at 1-800-451-7985.
Teletype (TTY) – Dial 711 for free Washington Relay Service.
Use this address list to ensure your form or letter gets to the right place.
Local office map
All offices are closed on holidays.
Contact us via Secure Messaging
- If you have a Logon ID and Password, logon to My Account and click on send a secure e-mail.
- If you do not have a Logon ID and Password, it's easy to join. The system will walk you through the process to start sending secure messages. Once in the system, businesses must be sure to "Add an Account" if you want to receive a binding tax ruling. To do this, you will need a recent tax return with your tax registration number and pre-assigned access code (PAC).
Report Tax Fraud
If you suspect or know of an individual or business that is not complying with Washington tax laws, you may report this activity at SuspectFraud.wa.gov.
NOTE: The state of Washington does not have a personal or corporate income tax. For federal income tax information and forms, contact the Internal Revenue Service (IRS).
Additionally, we cannot answer questions related to city or county business taxes. Contact the appropriate city or county regarding those taxes