Contact
General topics
Business licensing
- Apply or renew a license or endorsement.
- I have a licensing question.
- I need to apply for/renew a professional license (DOL).
- Other licensing services.
Tax assistance
- I have a question about electronic filing.
- I need help completing my tax return.
- I need a binding tax ruling.
- I have an estate tax question.
- I need to file an unclaimed property report.
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Understanding your rights
- Taxpayer rights and responsibilities.
- Taxpayer rights advocate program.
Additional services
- Update my account information.
- Close my account.
- Voluntarily register and pay prior tax obligations.
- I have a question about the tax rate lookup mobile app.
- Request a visit from a tax consultant.
- Contact a Small business liaison (pdf).
- Sign up for notifications to receive messages on a variety of topics.
- Request a speaker for my organization.
- Request a public record.
- I want to report tax fraud.
City and county
Contact the appropriate city or county for licensing and tax requirements.
Internal Revenue Service (IRS)
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).
Telephone Information Center
Mon through Fri, 8 a.m. - 5 p.m. (PT)
(closed Wed 8-9 a.m.)
Closed on holidays.
360-705-6741 Business licensing
360-705-6705 Tax assistance
360-705-6706 Español (impuestos y licencias)
360-704-5900 Remote sales and consumer use tax
360-534-1324 Forest tax
Unclaimed Property
360-534-1502 Claims and holder reporting
Working Families Tax Credit
360-763-7300 Eligibility, applications & assistance
Local offices (map)
Revenue alphabetical directory
Media inquiries
Provide feedback
- I would like to submit a compliment or complaint.
- Accessibility assistance and website suggestions.

Use this address list to ensure your form or letter gets to the right place.
Fax
360-705-6699 Business licensing
360-705-6655 Tax assistance
Teletype (TTY)
Dial 711 for free Washington Relay Service.