Health & Saf. Code, § 18029.6

(a) (1) Beginning January 1, 2020, all used manufactured homes, used mobilehomes, and used multifamily manufactured homes that are sold on or after January 1, 2020, or rented pursuant to a rental agreement entered into on or after January 1, 2020, shall have a smoke alarm installed in each room designed for sleeping that is operable on the date of rental or transfer of title. Each smoke alarm shall be installed in accordance with the manufacturer’s installation instructions and have been approved and listed by the Office of the State Fire Marshal pursuant to Section 13114.

(2) The smoke alarm manufacturer’s information describing the operation, method and frequency of testing, and proper maintenance of all smoke alarms installed in the used manufactured home, used mobilehome, or used multifamily manufactured home shall be provided to the purchaser or renter of the used manufactured home, used mobilehome, or used multifamily manufactured home.

(b) The requirements of subdivision (a) shall be deemed satisfied if, within 45 days prior to the date of rental or of transfer of title, the lessor or the transferor signs a declaration stating that each smoke alarm in the manufactured home, mobilehome, or multifamily manufactured home is installed pursuant to subdivision (a) and is operable on the date the declaration is signed.

(c) The department may adopt rules and regulations to clarify or implement this section.

(d) For sales of manufactured homes or mobilehomes installed on real property pursuant to subdivision (a) of Section 18551, as to real estate agents licensed pursuant to Division 4 (commencing with Section 10000) of the Business and Professions Code, the real estate licensee liability provisions of subdivisions (e), (f), and (g) of Section 13113.8 shall apply to the disclosures required by this section.