California Code, Business and Professions Code - BPC § 11326

(a) The county assessor shall, upon request, disclose information, furnish abstracts, copies of maps, construction permits, notices of completion, sales confirmation, and permit access to all records in the county assessor's office or branch offices, to the Bureau of Real Estate Appraisers when it is conducting an investigation related to professional conduct of appraisers.

(b) Whenever the assessor discloses information, furnishes abstracts, and all of the above and permits access to records to the Bureau of Real Estate Appraisers, the bureau shall reimburse the assessor for any reasonable cost incurred as a result thereof.