California Civil Code § 1099 requires that the seller must deliver to the buyer a copy of a structural pest control inspection report and subsequent certification, if this is required by the contract or the buyer's lender.
How Can I get a Structural Pest Control Inspection Report and Certification?
Most often, pest control companies will provide a free inspection report, with the hopes of obtaining the remediation work. If you search "free termite inspection + your city" you will likely find many providers of this service.
Are Termites Common in California?
Yes. For example, one article states that up to 80% of Southern California homes have termites.