POL Government Elected Officials Auditor Mary Hull Caballero Charter, Code and Policies City Code & Charter Online Code & Charter Title 8 Health and Sanita Chapter 8.20 Housing and School Sanitation
8.20.020 Dwelling as Unlawful Structure.

If any dwelling or part thereof is occupied by more persons or families than provided for in this Code, or is erected, altered or occupied contrary to law, such dwelling shall be deemed an unlawful structure.  The Health Officer shall give due notice to the owner or his agent and the occupant requiring him, within a reasonable time, to comply with the law.  Upon failure to comply with the law as required, the Health Officer shall institute appropriate legal action.  Any dwelling vacant or thereafter vacated shall not again be occupied until it or its occupancy shall have been made to conform to the law.