Most jury trials last between three to seven days, but some may go longer. You can also call the Jury Information Line at (800) 998-9035.If you have questions please call (619) 236-2020. So if you show up when called, and they don't pick you for a jury, you're done for one year. Once a case is prepared for a trial, the judge will call down and have them send up a set number from those that have appeared for jury duty. CA has one dayone trial jury service, meaning you show up and get assigned to a case or you're done for year. Once a case is prepared for a trial, the judge will call down and have them send up a set number from those that have appeared for jury duty. In the County of San Bernardino, once a person has served as a juror, they are exempt from further jury service for 12 months. In civil cases, a jury may only be waived pursuant to subdivision (f). You should reply to the jury summons and inform the court that you no longer live at that address and have moved out of state.