Cal. Gov. Code § 53064

Notwithstanding any other provision of law, in the event there are two or more identical lowest or highest bids, as the case may be, submitted to a local agency for the purchase, sale, or lease of real property, supplies, materials, equipment, services, bonds, or the awarding of any contract, pursuant to a provision requiring competitive bidding, the local agency may determine by lot which bid shall be accepted. “Local agency” shall include any city, county, city and county, or public district.