Cal. Civ. Code § 710.25

710.25 Discriminatory restrictions prohibited.
(1) In this section, “discriminatory restriction” means a restriction, covenant, or condition that prohibits or restricts the ownership, transfer, encumbrance, rental, occupancy, or use of real property on the basis of being a member of a protected class, as defined in s. 106.50 (1m) (nm). “Discriminatory restriction” does not include a restriction, covenant, or condition that prohibits or restricts the ownership, transfer, encumbrance, rental, occupancy, or use of real property on a basis that is allowed under s. 106.50 (5m) (a) to (f) or 42 USC 3607.
(2) A discriminatory restriction contained in a deed or other instrument affecting real property is void and unenforceable.
(3) No person may file or record with, or present for filing or recording to, a register of deeds a deed or other instrument affecting real property that contains a discriminatory restriction.
(4) A person that drafts a deed or other instrument affecting real property may not include a discriminatory restriction in the deed or instrument.
(5)
(a) If real property is affected by a deed or other instrument that contains a discriminatory restriction, an owner of the real property may discharge and release the discriminatory restriction from the owner’s real property by recording a certification to discharge and release the discriminatory restriction. Subject to s. 59.43 (2m) and (2s) (a) and upon payment of any applicable fee under s. 59.43 (2), the certification is entitled to be recorded in the office of the register of deeds in the county in which the owner’s real property is located if the certification includes all of the following:
1. The signature of the owner.
2. An acknowledgement or authentication in accordance with s. 706.06 or ch. 140.
3. The full legal description, as provided under s. 59.43 (2s) (a), of the real property to which the certification relates.
4. The title and document number of the deed or instrument that contains the discriminatory restriction.
(b) An owner of real property may record a single certification under par. (a) to discharge and release discriminatory restrictions from multiple deeds and instruments that affect the real property. The certification shall include the information specified under par. (a) 4. for every deed or instrument to which the certification applies.
(c) An owner of real property may make the certification under par. (a) in substantially the following form:
(d) The department of administration shall prepare and provide copies of the form under par. (c) to the public by posting the form on the department’s website.