Nothing in this part shall prohibit a religious organization, association or society, or any nonprofit institution or organization operated, supervised, or controlled by or in conjunction with a religious organization, association, or society, from limiting the sale, rental, or occupancy of dwellings that it owns or operates for other than a commercial purpose to persons of the same religion or from giving preference to those persons, unless membership in that religion is restricted on account of race, color, or national origin.
Ca. Gov. Code § 12955.4