Cal. Civ. Code § 910-2-2-2

Sec. 2. (a) It shall be unlawful for a person to refuse:
(1) to sell or rent a dwelling to a person who has made a bona fide offer because of race, color, religion, sex, familial status, or national origin; or
(2) to refuse to negotiate with a person for the sale or rental of a dwelling because of race, color, religion, sex, familial status, or national origin.

(b) It shall be unlawful for a person to discriminate against any person in the sale or rental of a dwelling because of handicap.
(c) Prohibited actions under this section include, but are not limited to, to [sic.] the following:
(1) Failing to accept or consider a bona fide offer because of race, color, religion, sex, handicap, familial status, or national origin.
(2) Refusing to sell or rent a dwelling to, or to negotiate for the sale or rental of a dwelling with, any person because of race, color, religion, sex, handicap, familial status, or national origin.
(3) Imposing different sales prices or rental charges for the sale or rental of a dwelling upon any person because of race, color, religion, sex, handicap, familial status, or national origin.
(4) Using different qualification criteria, applications, or sale or rental standards or procedures such as:
(A) income standards;
(B) application requirements;
(C) application fees;
(D) credit analyses;
(E) sale or rental approval procedures; or
(F) other requirements;

because of race, color, religion, sex, handicap, familial status, or national origin.
(5) Evicting tenants because of their race, color, religion, sex, handicap, familial status, or national origin or because of the race, color, religion, sex, handicap, familial status, or national origin of a tenant's guest.