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King County Superior Court

King County’s General Jurisdiction Trial Court

Judge Mariane C. Spearman

Mailing Address:
King County Superior Court
516 3rd Ave, Room C-203
Seattle, WA 98104
Mailstop: KCC-SC-0203
Courtroom Number:  E-863

Phone:  206-477-1647


Judicial Assignment:  Criminal

Bailiff:  Phillip Hennings

Department Number:

Performs Weddings:  Not at this time

Accepts Applications for Volunteer Externs:  Not at this time

Performs Settlement Conferences:  Yes (All Types)

Visit this webpage before contacting the court.

Read the
Superior Court Email Policy.

Get instructions for
Delivering Documents.  Also note:  Pleadings exceeding 1.5 inches must be tabbed, indexed, and submitted in a three-ring binder.

Get instructions for Scheduling Civil MotionsCounsel must also email a proposed order in Microsoft Word to the bailiff.

Review these Trial Preparation GuidelinesPlease submit an uncited copy of jury instructions in Microsoft Word to the bailiff.

Judge Spearman Biographical Information.

Please review the applicable State Court Rules and Local Court Rules before contacting the court.