Disaster relief

Revenue will work with businesses and property owners in Cowlitz, Grays Harbor, King, Lewis, Pierce, Walla Walla, Whatcom, and Whitman counties who have been impacted by the recent atmospheric river storm. Learn more about disaster relief.

Businesses - Apply for a tax refund

Registered businesses

If you are a registered business and you believe you have overpaid taxes, penalties, or interest, you may request a refund directly from the department by:

The following information must be included with your refund request:

  • Name and account ID.
  • Amount of the refund.
  • Tax type and taxable period.
  • Explanation.
  • Signature.

Note: A refund or credit cannot be made if the overpayment was originally received more than four years before the start of the current calendar year.

Mail your request to:

Attn: Refunds
Washington State Department of Revenue
PO Box 47476
Olympia, WA 98504-7476