File a Case

    Filing Methods
    Submit the completed case filing form and all attachments to:

    Online* Mail Delivery
    Filing@perc.wa.gov P.O. Box 40919
    Olympia, WA 98504
    112 Henry St. NE, Ste 300
    Olympia, WA 98506
    * We currently require that an original paper copy be mailed to our office the same day a filing is submitted by email
  • Have Questions About Filing?
    Contact us directly at 360.570.7300 or info@perc.wa.gov
  • What to Expect After You File a Case
    The parties to the case will be notified of the PERC case number assigned. You will be contacted by the assigned staff member regarding further processing.