California Code, Civil Code - CIV § 782.5

(a) Any deed or other written instrument that relates to title to real property, or any written covenant, condition, or restriction annexed or made a part of, by reference or otherwise, any deed or instrument that relates to title to real property, which contains any provision that purports to forbid, restrict, or condition the right of any person or persons to sell, buy, lease, rent, use, or occupy the property on account of any basis listed in subdivision (a) or (d) of Section 12955 of the Government Code, as those bases are defined in Sections 12926, 12926.1, subdivision (m) and paragraph (1) of subdivision (p) of Section 12955, and Section 12955.2 of the Government Code, with respect to any person or persons, shall be deemed to be revised to omit that provision.

(b) Notwithstanding subdivision (a), with respect to familial status, subdivision (a) shall not be construed to apply to housing for older persons, as defined in Section 12955.9 of the Government Code.  With respect to familial status, nothing in subdivision (a) shall be construed to affect Sections 51.2, 51.3, 51.4, 51.10, 51.11, and 799.5of this code, relating to housing for senior citizens.  Subdivision (d) of Section 51,Section 4760, and Section 6714 of this code, and subdivisions (n), (o), and (p) of Section 12955 of the Government Code shall apply to subdivision (a).

(c) This section shall not be construed to limit or expand the powers of a court to reform a deed or other written instrument.