Cal. Health & Safety Code § 18871.10

The department shall adopt regulations to govern the use and occupancy of manufactured homes, mobilehomes, and recreational vehicles located in special occupancy parks. Those regulations shall establish minimum requirements to protect the health and safety of the tenants, occupants, and residents and the public, and shall also provide for the repair or abatement of any unsafe or unsanitary condition of a manufactured home, mobilehome, park trailer, or recreational vehicle or the electrical, mechanical, or plumbing installations therein.