Alimony Laws in California: Duration, Termination, and Enforcement

Alimony laws in California, known in the statutes as spousal support, give judges wide authority to order one spouse to pay the other during and after a divorce. Temporary support during the case usually follows a formula. Long-term support set at judgment does not; the court weighs more than a dozen factors under Family Code Section 4320 before deciding how much and for how long.¹

Temporary Support While the Divorce Is Pending

Temporary support exists to keep the lower-earning spouse afloat until the case ends. Most California courts calculate it using software like DissoMaster, which applies a standard formula: 40 percent of the higher earner’s net monthly income minus 50 percent of the lower earner’s net monthly income.² Counties can tweak the formula, so numbers vary. A family law facilitator or self-help center can run the calculation for you.

At this stage the judge is not evaluating your marital lifestyle or career trajectory. That happens later, when the court sets long-term support in the final judgment.

How Long-Term Support Is Decided

When the divorce is finalized, the formula goes away. The judge turns to Family Code Section 4320 and must consider all of the following:¹

Each spouse’s earning capacity, including marketable skills, the job market, and any training needed to become employable.
Career sacrifices during the marriage, such as leaving work or reducing hours to raise children or run the household.
Contributions one spouse made to the other’s education, license, or career.
The paying spouse’s ability to pay based on income, assets, and other obligations.
The marital standard of living, on which the court must make specific factual findings.
The length of the marriage.
Age and health of both spouses.
Childcare responsibilities that limit the supported spouse’s ability to work.
Tax consequences for each side.
Documented history of domestic violence.
The balance of hardships between the parties.

No single factor controls. Two couples with similar incomes can end up with very different orders depending on the length of the marriage, whether a spouse stepped out of the workforce, and other circumstances. Where earning capacity is disputed, either side can request a vocational evaluation. A vocational expert reviews the spouse’s education, work history, and the local market, then reports a realistic earning figure to the court. Judges are not bound by the expert’s opinion but often give it weight, especially where one spouse appears deliberately underemployed.

How Long Spousal Support Lasts in California

Duration is tied to the length of the marriage, measured from the wedding date to the date of separation. For marriages under ten years, the general expectation is that support lasts about half the length of the marriage.¹ A six-year marriage would typically produce an order of around three years. The judge can go shorter or longer based on the Section 4320 factors.

Marriages of ten years or more are classified as long duration. The court retains jurisdiction over support indefinitely, with no automatic end date.³ Support continues until the court orders otherwise or a terminating event occurs. A shorter marriage can also be treated as long duration if the circumstances justify it.

The Gavron Warning

When ordering support, the court can issue a Gavron warning: a formal notice to the supported spouse that they are expected to make reasonable efforts toward becoming self-supporting.⁴ If that spouse later fails to look for work or pursue training, the paying spouse can use the failure as grounds to reduce or end support. In long-duration marriages, the court may decide the warning is not appropriate; in most other cases, expect it.

What Reduces or Ends Support

Support obligations are not fixed forever. Several events can change or terminate them.

Automatic Termination

Support ends automatically when either spouse dies or when the supported spouse remarries, unless the original agreement specifically says otherwise in writing.⁵

Cohabitation With a New Partner

If the supported spouse begins living with a new romantic partner, Family Code Section 4323 creates a rebuttable presumption that the need for support has decreased.⁶ Holding themselves out as married is not required. Simple cohabitation triggers the presumption, and the supported spouse then bears the burden of showing their financial needs have not actually dropped. One asymmetry worth noting: if the paying spouse moves in with a new partner, that partner’s income cannot be considered.

Modification for Changed Circumstances

Either spouse can ask the court to modify support by showing a material change in circumstances since the last order. Job loss, a significant raise, a new disability, and retirement are common examples. The spouse asking for the change carries the burden. The court re-runs the Section 4320 analysis to reset the amount.¹

For marriages under ten years, if the court set a specific end date, that date generally sticks unless the supported spouse files for an extension before it expires. Missing that deadline can permanently forfeit the right to more support. In long-duration cases where the court kept jurisdiction, either side can request a modification at any time, but they still must prove circumstances have meaningfully changed.

The Domestic Violence Bar

Under Family Code Section 4325, a spouse convicted of a domestic violence misdemeanor within five years before the divorce filing, or during the proceedings, faces a rebuttable presumption that the court will deny them support entirely.⁷ The convicted spouse can try to overcome the presumption, but the burden is theirs. The court can also order that attorney fees come out of community assets rather than the victim’s separate property, and the victim can ask that the legal date of separation be moved to the date of the violent incident. Even without a conviction, documented domestic violence is a mandatory factor in any long-term support decision.

Tax Treatment of California Alimony

The tax rules changed in recent years, and the timing of your agreement decides which rules apply. For any divorce or separation agreement executed on or after January 1, 2019, federal law treats alimony as non-deductible for the payer and non-taxable for the recipient.⁸ The old system, where the payer deducted and the recipient reported income, only applies to pre-2019 agreements that have not been modified to adopt the new rules.

California adds a wrinkle. For agreements signed between January 1, 2019 and December 31, 2025, California did not follow the federal change. During that window, alimony remained deductible for the payer and taxable for the recipient on the California state return.⁹ Starting January 1, 2026, California conforms to the federal treatment. Agreements executed on or after that date are non-deductible and non-taxable at both levels.

Prenuptial Waivers Have Limits

Couples can agree to limit or waive spousal support in a prenuptial agreement, but California imposes strict conditions. Under Family Code Section 1612(c), a spousal support waiver is unenforceable unless the spouse giving up support had independent legal counsel at signing. Even with counsel, the court can still refuse to enforce a waiver if it would be unconscionable at the time enforcement is sought. A provision that looked fair when both spouses earned six figures can look very different after one spent a decade out of the workforce raising children.

How to Request Spousal Support

Requesting support means filing specific paperwork and providing detailed financial disclosure.

Required Forms

The Income and Expense Declaration (Form FL-150) is the foundation of any request. It calls for a complete breakdown of your monthly income, tax deductions, health insurance costs, and household expenses.¹⁰ Attach pay stubs from the last two months and bring your most recent federal tax return to the hearing. Self-employed filers submit a profit and loss statement covering the last two years.

The Request for Order (Form FL-300) is the document that actually asks the court to schedule a hearing and decide the issue.¹¹ Fill out every field. Missing information delays the hearing.

Filing Fees

Filing a Request for Order as a motion during an existing divorce case costs $60 under the statewide civil fee schedule.¹² If support is part of the initial divorce petition rather than a later motion, the first-paper filing fee is $435.

If you cannot afford the fee, apply for a fee waiver using Form FW-001. You qualify automatically if you receive public benefits like Medi-Cal, CalFresh, CalWORKs, SSI, or General Assistance.¹³ You also qualify by income: $2,660 monthly for a single person, $3,607 for two, $4,553 for three, or $5,500 for four.¹⁴ Above those thresholds, you can still qualify by showing the fees would prevent you from covering basic living expenses. Fee waiver information stays confidential and is not shared with the other party.

After filing, someone other than you must serve copies on the other spouse. Any adult who is not a party to the case can handle this for free; a professional process server typically charges between $55 and $125.

Enforcing a Support Order

A support order is only as useful as the tools that back it up. California provides several.

Contempt of Court

A spouse who violates a support order can be held in contempt. Penalties escalate with each finding, starting with up to 120 hours of community service, up to 120 hours of imprisonment, or both, per count on a first finding.¹⁵ By a third violation, the court can order up to 240 hours in jail and 240 hours of community service per count, plus administrative fees and the other side’s attorney fees.

Wage Garnishment

The court can issue an Earnings Assignment Order (Form FL-435) directing the paying spouse’s employer to withhold support from their paycheck. Under federal law, garnishment for spousal support can reach 50 percent of disposable earnings if the paying spouse supports another family, or 60 percent if not. An additional 5 percent can be taken if payments are more than 12 weeks behind.¹⁶

Life Insurance as Security

The court can require the paying spouse to maintain a life insurance policy that protects the supported spouse’s interest in continued payments. If the paying spouse dies before support ends, the proceeds replace the lost income. Courts typically calculate coverage based on the present value of remaining payments rather than a lump total, avoiding a windfall. Where coverage is unavailable or unaffordable, the court can look at alternative security.

1
California Legislative Information. California Code Family Code 4320 – Factors to Be Considered in Ordering Support
2
California Courts. Temporary Spousal Support
3
California Legislative Information. California Code FAM 4336 – Spousal Support Upon Dissolution or Legal Separation
4
California Legislative Information. California Code Family Code 4330 – Spousal Support Orders
5
California Legislative Information. California Code Family Code 4337 – Termination of Support
6
California Legislative Information. California Code FAM 4323 – Cohabitation and Spousal Support
7
California Legislative Information. California Code FAM 4325 – Domestic Violence and Spousal Support
8
Internal Revenue Service. Topic No 452, Alimony and Separate Maintenance
9
California Franchise Tax Board. Alimony
10
Judicial Council of California. FL-150 Income and Expense Declaration
11
Judicial Council of California. Information Sheet for Request for Order, Family Law
12
Judicial Council of California. Superior Court of California Statewide Civil Fee Schedule
13
California Courts. Ask for a Fee Waiver if You Cannot Afford Court Fees
14
Judicial Council of California. FW-001 Request to Waive Court Fees
15
California Legislative Information. California Code of Civil Procedure 1218 – Contempt of Court
16
U.S. Department of Labor. Fact Sheet 30, Wage Garnishment Protections of the Consumer Credit Protection Act