Cal. Health and Safety Code - HSC § 19995. Section 19995.
Except as provided in Section 18945, the department shall hear appeals brought by any person regarding the application to such person of any building standard published in the State Building Standards Code relating to factory-built housing or to any other rule or regulation of the department promulgated pursuant to this part. Any such appeals shall first be submitted to the local enforcement agency, if any, delegated by the department to enforce the provisions of this part. The department shall not hear any appeal regarding any local ordinance, rule, or regulation related to the installation of factory-built housing.