Cal. Bus. & Prof. Code § 23428.25
For the purposes of this article, "club" also means any Hidalgo Society the purpose of which is to operate for the advancement of education for the improvement of social and economic conditions, to help lessen neighborhood tension, lessen the burden on welfare systems, to help eliminate prejudice and discrimination and for other charitable causes that might be present in the community. Such a group shall be located in a county of the 32nd class, have members who pay dues, and shall own, lease, or maintain a club room or rooms for its membership.
It shall be unlawful for any club licensed pursuant to this section to make any discrimination, distinction, or restriction against any person on account of such person's color, race, religion, ancestry, national origin, sex, or age.
Ca. Bus. and Prof'l. Code § 23428.25