Spousal Support in California – Family Code §§ 4300-4360
4300. Subject to this division, a person shall support the person’s spouse.
4301. Subject to Section 914, a person shall support the person’s spouse while they are living together out of the separate property of the person when there is no community property or quasi-community property.
4302. A person is not liable for support of the person’s spouse when the person is living separate from the spouse by agreement unless support is stipulated in the agreement.
4303. (a) The obligee spouse, or the county on behalf of the obligee spouse, may bring an action against the obligor spouse to enforce the duty of support. (b) If the county furnishes support to a spouse, the county has the same right as the spouse to whom the support was furnished to secure reimbursement and obtain continuing support. The right of the county to reimbursement is subject to any limitation otherwise imposed by the law of this state. (c) The court may order the obligor to pay the county reasonable attorney’s fees and court costs in a proceeding brought by the county under this section.