How do I quash my Warrant in King County District Court?

Most King County District Court locations have a Warrant calendar. You can appear at any King County District Court location to inquire about the next available warrant recall calendar or call King County District Court 206-205-9200. Depending on your eligibility you may be permitted to sign up for a bench warrant calendar in person, via email or phone. To sign up for a bench warrant calendar in person you must appear no less than two (2) hours before the scheduled daily bench warrant calendar. To sign up for a bench warrant calendar via phone or email you must contact the court to schedule a hearing no later than close of business on the weekday preceding the date of the hearing.

See link for schedule. https://www.kingcounty.gov/courts/district-court/citations-or-tickets/warrant-information.aspx