CALIFORNIA FAMILY CODE
Family Code Section 3101
(a) Notwithstanding any other provision of law, the court may grant reasonable
visitation to a stepparent, if visitation by the stepparent is determined
to be in the best interest of the minor child.
(b) If a protective order, as defined in
Section 6218, has been directed to a stepparent to whom visitation may be granted pursuant
to this section, the court shall consider whether the best interest of
the child requires that any visitation by the stepparent be denied.
(c) Visitation rights may not be ordered under this section that would
conflict with a right of custody or visitation of a birth parent who is
not a party to the proceeding.
(d) As used in this section:
(1) "Birth parent" means "birth parent" as defined
in Section 8512.
(2) "Stepparent" means a person who is a party to the marriage
that is the subject of the proceeding, with respect to a minor child of
the other party to the marriage