Complete your questionnaire online, you may also complete your Questionnaire using the telephone service at 1-866-648-4880. Some courts may have a TDD or TTY in the Clerk's office.You will be mailed a summons form with a date to report and a qualification questionnaire to complete and return within ten (10) days to the Court. Visit the Juror Portal within 5 days of receiving a summons postcard in the mail from King County District Court. You can get information about jury duty for City, State, and Federal courts in New York City, including State Supreme Courts. You may be asked to serve on a jury for a criminal or civil case in King County Superior Court. Trial Jurors Court Locations. Jurors reporting for service should wear clothing appropriate for an appearance in court. Here's how trial jury duty works: You report to the Supreme Court Building at 360 Adams Street and gather in a large waiting room. The judge determines the law to be applied in the case while the jury decides the facts.