I think you're referring to Amendment VII which provides for jury trials in matters greater than $20, not less than. This refers to guarantees of federal civil courts, in which this matter (all parties local to CA?) would likely not fall.
> "In suits at common law, where the value in controversy shall exceed twenty dollars, the right of trial by jury shall be preserved, and no fact tried by a jury, shall be otherwise reexamined in any court of the United States, than according to the rules of the common law."
> "In suits at common law, where the value in controversy shall exceed twenty dollars, the right of trial by jury shall be preserved, and no fact tried by a jury, shall be otherwise reexamined in any court of the United States, than according to the rules of the common law."