CA Fam Code Section 910

(a)

Except as otherwise expressly provided by statute, the community estate is liable for a debt incurred by either spouse before or during marriage, regardless of which spouse has the management and control of the property and regardless of whether one or both spouses are parties to the debt or to a judgment for the debt.

(b)

“During marriage” for purposes of this section does not include the period during which the spouses are living separate and apart before a judgment of dissolution of marriage or legal separation of the parties.