California Code, Business and Professions Code - BPC § 7100

In any proceeding for review by a court, the court may in its discretion, upon the filing of a proper bond by the licensee in an amount to be fixed by the court, but not less than one thousand dollars ($1,000) or an amount the court finds is sufficient to protect the public, whichever is greater, guaranteeing the compliance by the licensee with specific conditions imposed upon him by the registrar's decision, if any, permit the licensee to continue to do business as a contractor pending entry of judgment by the court in the case.  There shall be no stay of the registrar's decision pending an appeal or review of any such proceeding unless the appellant or applicant for review shall file a bond in all respects conditioned as, and similar to, the bond required to stay the effect of the registrar's decision in the first instance.