California Code, Government Code - GOV § 65850

(a) Regulate the use of buildings, structures, and land as between industry, business, residences, open space, including agriculture, recreation, enjoyment of scenic beauty, use of natural resources, and other purposes.

(b) Regulate signs and billboards.

(c) Regulate all of the following:

(d) Establish requirements for offstreet parking and loading.

(e) Establish and maintain building setback lines.

(f) Create civic districts around civic centers, public parks, public buildings, or public grounds, and establish regulations for those civic districts.

(g) Require, as a condition of the development of residential rental units, that the development include a certain percentage of residential rental units affordable to, and occupied by, households with incomes that do not exceed the limits for moderate-income, lower income, very low income, or extremely low income households specified in Sections 50079.5, 50093, 50105, and 50106 of the Health and Safety Code. The ordinance shall provide alternative means of compliance that may include, but are not limited to, in-lieu fees, land dedication, off-site construction, or acquisition and rehabilitation of existing units.