California Spousal Support Laws -- How Alimony Works — California Family Law

What Is Spousal Support Under California Law?

California alimony -- officially called spousal support -- is governed by Family Code sections 4300 through 4360. California spousal support laws establish two distinct types: temporary spousal support, ordered during the pendency of the divorce proceeding to maintain the financial status quo; and long-term (or "permanent") spousal support, ordered as part of the final judgment of dissolution. Despite the word "permanent," long-term support in California is rarely truly permanent -- it is subject to modification upon changed circumstances and typically has a defined duration for shorter marriages.

Alimony California is not automatic. A spouse must request spousal support in the divorce petition or response, and the court must find that one spouse has the need for support and the other has the ability to pay. The court does not award spousal support as punishment for infidelity or bad behavior -- California is a no-fault state, and the reasons the marriage ended generally do not affect whether support is awarded.

How Is Alimony Calculated in California -- Temporary Support

Temporary spousal support in California is calculated using a computer program called XSpouse (formerly DissoMaster, which was discontinued in 2024). The XSpouse software takes as inputs each party's gross monthly income, tax filing status, mandatory payroll deductions, health insurance costs, and property tax and mortgage interest deductions, and produces a guideline temporary support amount based on a formula. California alimony calculator tools using these inputs give an estimate of what the guideline temporary support amount would be. This guideline is not binding -- the court retains discretion to deviate from the XSpouse result for good cause -- but in most cases temporary support is ordered at or near the guideline amount.

How Is Alimony Calculated in California -- Long-Term Support

Determining spousal support for long-term orders is fundamentally different from temporary support. California alimony guidelines for long-term support are not a formula -- they are the 14 factors listed in Family Code section 4320, which the court must consider and weigh in its discretion. The 14 factors include:

• The extent to which the earning capacity of each party is sufficient to maintain the marital standard of living
• The extent to which the supported party contributed to the attainment of an education, training, a career position, or license by the supporting party
• The ability of the supporting party to pay, taking into account the supporting party earning capacity, earned and unearned income, assets, and standard of living
• The needs of each party based on the standard of living established during the marriage
• The obligations and assets of each party
• The duration of the marriage
• The ability of the supported party to engage in gainful employment without unduly interfering with the interests of the children
• The age and health of the parties
• Documented evidence of domestic violence
• The tax consequences of the support award
• The balance of the hardships to each party
• The goal that the supported party shall be self-supporting within a reasonable period
• The criminal conviction of an abusive spouse
• Any other factors the court deems just and equitable

How Long Does Spousal Support Last in California?

How long does alimony last in California depends on the length of the marriage. For marriages under ten years, California courts typically order spousal support for approximately half the length of the marriage -- a five-year marriage might yield two to three years of support, for example. This is a guideline, not a rule, and the court can depart from it based on the specific circumstances of the case.

For marriages of ten years or longer -- California's statutory "long marriage" threshold -- the court retains jurisdiction to modify or terminate support indefinitely. There is no presumed end date for support in a long marriage. Support continues until a court terminates it upon a showing of changed circumstances, the supported spouse remarries (automatic termination under Family Code section 4337), or either party dies (automatic termination under Family Code section 4337). Alimony after 20 years of marriage in California and alimony in very long marriages typically involves extended support obligations reflecting the significant economic interdependence that develops over decades.

When Can Spousal Support Be Modified or Terminated?

How to modify alimony in California: either party can petition the court to modify a spousal support order when there has been a material change in circumstances since the prior order was entered. Examples of material changed circumstances include: a significant change in either party's income; the supported spouse cohabiting with a new partner (which creates a rebuttable presumption that support should be reduced or terminated under Family Code section 4323); the supported spouse reaching or exceeding the earning capacity assumed in the prior order; a significant change in either party's health; or the elimination of a tax benefit that was factored into the support amount.

What disqualifies you from alimony in California? A domestic violence conviction against the other spouse within five years before the divorce filing creates a rebuttable presumption under Family Code section 4325 against the perpetrator receiving spousal support. Cohabitation with a new partner, as described above, creates a presumption of reduced need. Remarriage terminates support automatically under Family Code section 4337 -- the supported spouse does not need to file a motion; termination is automatic upon remarriage.

Spousal Support Attorney -- Orange County and Riverside County

Spousal support disputes -- whether over the initial amount, the duration, or a modification -- are among the most complex and high-stakes issues in California family law. The XSpouse calculation for temporary support may seem straightforward, but the underlying income figures are often disputed when one or both parties are self-employed or have variable compensation. Long-term support involves applying judicial discretion across 14 statutory factors, which requires skilled advocacy and thorough preparation of the financial record. Furubotten Law, APC represents both supported spouses seeking appropriate support and supporting spouses seeking to limit their obligations. Call (714) 795-3862 for a complimentary initial case evaluation.

Last reviewed: June 2026 · Author: Denise Furubotten, Esq.

Additional Spousal Support Situations

Stay-at-home spouse divorce California: a spouse who left the workforce during the marriage to manage the household and raise children faces particular challenges at the end of a marriage. California Family Code section 4320 explicitly considers the extent to which the supported party's earning capacity has been reduced due to periods of unemployment during the marriage to permit the other party to devote time to domestic duties. A stay-at-home spouse (SAHM divorce situations are common) is entitled to spousal support to bridge the gap between the marital standard of living and their current earning capacity, for a duration that gives them a reasonable opportunity to become self-supporting.

Pension and retirement in divorce: a spouse's pension earned during the marriage is community property. The community property interest in a defined benefit pension -- including CalPERS and CalSTRS -- represents the portion of the benefit attributable to service during the marriage. Dividing a pension requires either a Domestic Relations Order (for CalPERS), a specific order for CalSTRS, or a QDRO for private-sector defined benefit plans. Whether a prenuptial agreement can protect a pension depends on the specific language of the agreement and when pension contributions were made relative to the marriage date. A prenup can protect a pre-marital pension interest; community property contributions during the marriage are generally not waivable by prenup without specific language.

Equalizer payment in California divorce: when community property cannot be divided asset-by-asset into equal shares without disrupting the assets, one spouse may receive more assets and pay the other an equalizing payment to achieve the required equal division. For example, if one spouse receives the family home worth $800,000 net and the other receives retirement accounts worth $600,000, the spouse receiving the home would owe the other spouse a $100,000 equalizing payment to achieve equal division of the $1,400,000 community estate.

Spousal property petition: this is a Probate Court petition available when a spouse dies during divorce proceedings or before completing property division. It allows the surviving spouse to establish their interest in property that was not formally divided before the decedent's death. If you are in the middle of a divorce and your spouse passes away, consult a family law attorney immediately -- the procedural and substantive issues are complex and time-sensitive.

Family law 4320 -- the 14-factor spousal support analysis: attorneys and judges reference Family Code section 4320 as the statutory framework for all long-term spousal support determinations. Understanding that this section does not create a formula -- it creates a list of factors the court must consider and weigh in its discretion -- is essential to realistic expectations about long-term support outcomes. When should alimony stop? Statutory termination events are remarriage and death. Otherwise, termination requires a court order finding that the supported spouse's circumstances no longer justify support, or that the supporting spouse's circumstances no longer justify the obligation.