Jury Assembly Room 4100 Main Street Riverside, CA 92501. Fill out your jury qualification questionnaire or summons online through the court's eJuror system.Gov (link sends e-mail) Personal Assistance: (213) 894-3644, Monday through Friday, am to I had jury duty at the Banning court today, and absolutely no one got called and no jury selection was done, which was a first for me. Most trials last 3-7 days, but some may go longer. I'm Ray, a legal expert here on JustAnswer. I'll do my best to assist you with your post-trial procedures in Riverside Superior Court. You can use the links below to complete the online juror questionnaire, defer your service, or check your juror status. I just had a jury summons and they didn't need me on either week so I was all good. That was for federal court; state might be different.