E-mail
Contact the Department by e-mail.
Telephone
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.
Teletype (TTY) – Hearing impaired users call 1-800-451-7985 for assistance.
Revenue telephone directory – Locate telephone numbers for specific Revenue taxes and programs.
State government telephone directory – Find telephone numbers for state agencies, educational institutions, local government organizations and state employees.
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Local Offices
All offices are closed on holidays.
US mail
Use this address list to ensure your form or letter gets to the right place.
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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