Cal. Health & Saf. Code § 4766
The district board may adopt ordinances to carry out the provisions of Sections 5473 to 5473.11, inclusive, of the Health and Safety Code and this chapter; the procedure for the adoption of said ordinances shall be the same as is provided for in Article 7 (commencing with Section 25120), Chapter 1, Part 2, Division 2, Title 3 of the Government Code for counties. In the absence of county or city regulation, the district board may also adopt ordinances for the purpose of exercise and effect of any of it powers, or for the purposes for which it was formed. Any ordinance adopted by the district board shall impose restrictions equal to or greater than those imposed by the State Housing Law, Part 1.5 (commencing with Section 17910), Division 13 of this code, and the rules and regulations promulgated pursuant thereto by the Commission of Housing and Community Development. A violation of a regulation or ordinance of a district is a misdemeanor, punishable by a fine not to exceed one thousand dollars ($1,000), imprisonment not to exceed 30 days, or both.
Ca. Health and Saf. Code § 4766