Cal. Health & Saf. Code § 34328.2
The mayor or any member of the governing body of the city in the case of a city authority or any member of the governing body of the county in the case of a county authority shall not have any direct or indirect interest in any housing project or in any property included or planned to be included in any project, nor shall such persons have any direct or indirect interest in any contract or proposed contract for materials or services to be furnished or used in connection with the construction, repair, or maintenance of any housing project. Nothing contained in this section shall prevent the authority from accepting the lowest bid on a bid contract.
This section has no application to contracts awarded to corporations in which any such person owns less than 1 percent of the entire capital stock.
Ca. Health and Saf. Code § 34328.2