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Home / Contact / Address list / Looking for confidential tax information?
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Looking for confidential tax information?

Confidential tax information may only be disclosed with written permission from the taxpayer or other statutory authority.

Requests for confidential records should be made by using the Confidential Tax Information Authorization form (pdf) or by writing a letter. You may mail or fax your request to:

Department of Revenue
Taxpayer Services
PO Box 47478
Olympia, WA 98504-7478

Fax: (360) 705-6655

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Find taxes & rates

Sales & use tax rates

Tax incentives

Business & occupation tax

Retail sales tax

Use tax

Property tax

Other taxes

Income tax

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Watch an online workshop or tutorial

Invite a speaker to your group 

Request a visit from a tax consultant

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