Important!

Disaster Relief: Revenue will work with businesses that cannot file or pay their taxes on time due to recent wildfire damage or other natural disasters. Learn more about disaster relief.

Ayuda por desastres: El Departamento de Ingresos trabajará con las empresas que no puedan presentar o pagar sus impuestos a tiempo debido a los daños causados por incendios forestales u otros desastres naturales. Conozca más sobre la ayuda en caso de desastre.

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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