Cal. Health and Safety Code § 19835

Whenever a local ordinance authorizes or requires the furnishing of security in connection with the performance of any act or agreement required as a condition for the issuance of a building permit, the building permit applicant may provide any of the following as such security: (a) A deposit, either with the local agency or a responsible escrow agent or trust company, at the option of the local agency, of money or negotiable bonds of the kind approved for securing deposits of public moneys. (b) An instrument of credit from one or more financial institutions subject to regulation by the state or federal government and pledging that the funds necessary to carry out the act or agreement are on deposit and guaranteed for payment or a letter of credit issued by such a financial institution. (c) Bond or bonds by one or more duly authorized corporate sureties. (d) Any form of security which is acceptable to the local agency and specified by ordinance thereof.