Every resident of Contra Costa County who is qualified to serve must appear for jury service when summoned. Willful failure to appear is contempt of court.You and your landlord have a right to a jury trial. Rule 38 preserves the right to a jury trial in civil cases, requiring a specific demand within 14 days after the last pleading directed to the issue. 2. At all times relevant in this Complaint, Plaintiff was and is a competent adult who resides in Contra Costa County, California. Self-Help Guide to the California Courts. A Standard Document counsel may use when requesting a jury trial in a California unlimited civil action. ATTACHMENT B. Contra. Costa. County. (Jose B., supra, 50 Cal. Nejedly: Contra Costa County 5.