Utah Alimony Laws: Duration Limits and the 2024 Update (2026)

Utah alimony is discretionary under Utah Code section 81-4-502 (formerly 30-3-5). Courts weigh nine statutory factors, no formula exists. Alimony generally cannot exceed the length of the marriage, and a 2024 update added a rebuttable presumption that courts equalize the parties' standards of living in long marriages where one spouse stepped back from work to care for children.

Information last verified on June 1, 2026.

Estimate your situation: Try our free Utah alimony calculator to estimate spousal support and see the factors a Utah court weighs.

What is alimony in Utah?

Alimony, also called spousal support, is a court-ordered payment from one former spouse to the other after a divorce. In Utah, courts have broad discretion to award or deny alimony. There is no presumption that a spouse is entitled to support simply because they were married. Instead, a judge evaluates the specific financial circumstances of both parties using a set of statutory factors.

Utah law uses the term "alimony" in many older references, but the statute governing it was recodified in 2024. The primary alimony statute is now Utah Code section 81-4-502. The older citation, section 30-3-5, still appears in many court forms and older divorce decrees; for divorces after September 1, 2024, the controlling section is 81-4-502.

The general purpose of alimony in Utah is to allow both spouses to maintain a lifestyle reasonably close to the standard of living they shared during the marriage. Courts look primarily at the standard of living at the time of separation, though they have discretion to consider the standard of living at the time of trial.

How Utah courts decide alimony (the statutory factors)

Utah Code section 81-4-502 lists the factors a court must consider when deciding whether to award alimony and, if so, how much and for how long. There is no formula that produces a dollar figure. The decision rests entirely on the judge's assessment of all relevant facts.

The nine statutory factors listed in subsection (1)(a) through (i) are:

1. The marital standard of living, including income, the approximate value of real and personal property, and any other relevant factor.
2. The financial condition and needs of the recipient spouse. The recipient may show need by itemizing expenses present during the marriage rather than post-petition expenses.
3. The earning capacity of the recipient spouse, including the impact of diminished workplace experience resulting from primarily caring for a minor child of the payor.
4. The ability of the paying spouse to provide support.
5. The tax consequences of an alimony award for each party.
6. The length of the marriage.
7. Whether the recipient has custody of a minor child requiring support.
8. Whether the recipient spouse worked in a business owned or operated by the paying spouse.
9. Whether the recipient spouse directly contributed to any increase in the paying spouse's skill by paying for education or enabling the paying spouse to attend school during the marriage.

In addition, under subsection (2), a court may consider the fault of either party in deciding whether to award alimony and on what terms.

Fault is defined in Utah Code section 81-4-501(3) as wrongful conduct during the marriage that substantially contributed to the breakup, including adultery, knowingly causing or attempting to cause physical harm, causing the other party to reasonably fear life-threatening harm, or substantially undermining the other party's financial stability. Fault remains a permissive consideration under subsection (2) after the 2024 reforms, meaning courts may weigh it but it is not a controlling element.

Courts may also consider any other factors they deem relevant to the equity of the award.

The duration limit: alimony cannot exceed the marriage length

Utah law places a clear outer limit on how long alimony may last. Under Utah Code section 81-4-502, a court may not order alimony for a period longer than the length of the marriage.

If a couple was married for eight years, the court cannot order alimony to continue for nine years or ten years. The duration cap applies at the time of entry of the divorce decree and also applies to any modifications.

There is one statutory exception. At any time before the termination of alimony, a court may find extenuating circumstances or good cause that justify extending support beyond the marriage length. This exception is narrow and requires specific findings by the court.

One additional rule applies when parties have been married more than once to each other. Utah allows courts to combine the lengths of prior marriages between the same two people when calculating the total marriage duration for purposes of the duration cap, but only when the petition for divorce in the subsequent marriage was filed on or after January 1, 2026.

The 2024 update: standard-of-living equalization for long marriages

The most significant recent change to Utah alimony law came from House Bill 220, signed in 2024 and effective May 1, 2024. The bill added a rebuttable presumption that applies in long marriages where one spouse stepped back from the workforce to care for children.

The presumption works as follows. If a marriage lasted 10 years or more, and the recipient spouse significantly diminished their workplace experience because the spouses agreed that the recipient would reduce their work to care for a minor child of the payor, courts must presume that alimony should equalize the parties' standards of living. In plain terms, the default outcome in these circumstances is that neither former spouse should end up significantly better off than the other.

The presumption is rebuttable. Either party can overcome it by showing good cause why equalization is inappropriate. If a court departs from the presumption, it must explain the reason in written findings.

The 2024 law also expanded the statutory factors for assessing the marital standard of living, allowing courts to consider a broader picture of income and property. It also addressed how courts document the look-back period when a recipient demonstrates financial need based on marital-era expenses rather than post-filing expenses.

Income imputation is governed separately by Utah Code section 81-4-503, effective September 1, 2024. That section applies when the payee has diminished workplace experience resulting from an agreement between the spouses that the payee reduce that experience to care for a minor child, or has been diagnosed with a disability that has caused a reduction in workplace experience. In those cases the court may consider whether the payee is fully competitive against other applicants whose work history, training, or education is current and, where a disability is involved, against applicants who do not have a disability. The court may also weigh reasonable efforts the payee made to improve their employment situation and any reasonable barrier to obtaining or retaining employment, and it is not required to treat a payee as underemployed if the payee is working and has shown reasonable barriers to improving that employment. If the court does impute income to a payee who qualifies under this section, it must enter specific findings of fact as to the evidentiary basis for imputing the income.

When alimony ends (remarriage, cohabitation, death, and modification)

Utah law specifies three events that terminate alimony, plus a process for modification.

Remarriage: An alimony order automatically terminates when the recipient remarries, unless the divorce decree specifically states otherwise. No court action is required.

Death: Under Utah Code section 81-4-505, an alimony order automatically terminates upon the remarriage or death of the payee. That section addresses only the payee's remarriage or death. It does not speak to the death of the paying spouse, so what happens to alimony when the payor dies turns on the terms of the decree and on general law rather than on this section.

Cohabitation: Once the paying spouse proves cohabitation, termination is mandatory rather than discretionary. Under Utah Code section 81-4-505(2)(a), the court may not order the payor to pay alimony and shall terminate any order that the payor pay alimony when the payee cohabits with another individual, even if the payee is not cohabiting with that individual when the payor files the motion to terminate alimony. That last clause is the operative one: a cohabitation that has already ended by the time the motion is filed can still end alimony. Utah law defines cohabitation as living together, or residing together on a regular basis, in the same residence in a relationship of a romantic or sexual nature. What is not automatic is the procedure. The paying spouse must return to court and prove the cohabitation. There is a one-year statute of limitations: the paying spouse must bring the cohabitation claim within one year of the date they knew or should have known about the cohabitation. If you pay alimony and your former spouse has moved in with a partner, ask a Utah family lawyer for a free case evaluation on a termination motion inside that one-year window (attorney advertising). Utah codified a definition of cohabitation in 2022 after courts had developed inconsistent interpretations through case law.

Modification: Either party may ask the court to modify alimony if there has been a material and substantial change in circumstances that was not expressly anticipated in the divorce decree. Retirement can qualify as a substantial change for decrees entered on or after May 12, 2020. A modification cannot extend alimony beyond the original duration ceiling set by the marriage length, absent a separate finding of extenuating circumstances.

Is alimony taxable, and how it differs from Utah child support

Federal tax treatment: For any divorce or separation agreement signed after December 31, 2018, alimony is not deductible by the paying spouse and is not includable in the recipient's gross income for federal tax purposes. This rule came from the Tax Cuts and Jobs Act of 2017 and applies to all divorces finalized under those post-2018 agreements. Agreements signed on or before December 31, 2018 follow the old rules, under which the payer could deduct alimony and the recipient reported it as income, unless the agreement was later modified with language specifically invoking the new tax treatment.

Difference from child support: Alimony and child support serve different purposes and are treated differently by law. Child support is a non-taxable payment owed to help cover a child's costs; it is not deductible by the paying parent and not reportable as income by the recipient. Child support in Utah is calculated using the Utah Child Support Guidelines, which produce a presumptive amount based on both parents' incomes and the custody arrangement. Alimony, by contrast, is entirely discretionary and based on the spousal factors described above. A court cannot deliberately label alimony as child support or child support as alimony to manipulate tax treatment.

For more information on Utah's child support framework, see Utah child support laws.

For a comparison of how other states handle spousal support, see Alimony laws by state.

Disclaimer: This page provides general legal information about Utah alimony laws and is not legal advice. Laws change and individual circumstances vary. Consult a licensed Utah family law attorney for advice about your specific situation.

Last updated: June 1, 2026.

More Utah Laws

• Utah Child Custody Laws
• Utah Child Support Laws
• Utah Common Law Marriage Laws
• Utah Divorce Laws

Frequently Asked Questions

Does Utah have a formula for calculating alimony?

No. Utah courts have full discretion. Judges weigh nine statutory factors listed in Utah Code section 81-4-502 and there is no mathematical formula that produces a set dollar amount. The outcome depends on the specific financial circumstances of both spouses.

How long can alimony last in Utah?

Alimony generally cannot last longer than the marriage lasted. If you were married for seven years, alimony can run for a maximum of seven years. A court may extend that period only if it finds extenuating circumstances or good cause, and it must state those reasons in writing.

What is the 2024 change to Utah alimony law?

House Bill 220, effective May 1, 2024, added a rebuttable presumption that courts equalize the parties' standards of living in marriages of 10 or more years where the recipient spouse significantly reduced their workplace experience to care for a minor child of the payor. If either party shows good cause against equalization, the court can depart from the presumption but must explain why in writing.

Does cohabitation end alimony in Utah?

Yes. The paying spouse must file a motion and prove cohabitation, but once it is proved the court must terminate alimony under Utah Code section 81-4-505(2)(a), and termination applies even if the payee is no longer cohabiting when the motion is filed. Utah defines cohabitation as living together on a regular basis in the same home in a romantic or sexual relationship. The paying spouse must bring the claim within one year of learning about the cohabitation.

Is alimony taxable in Utah?

For divorces finalized under agreements signed after December 31, 2018, alimony is not deductible by the payer and not taxable income for the recipient under federal law. Utah conforms to federal tax treatment. If your divorce agreement predates January 1, 2019, the old rules may still apply.

Can fault affect alimony in Utah?

Yes, but fault is not one of the nine mandatory factors. The nine factors in Utah Code section 81-4-502(1)(a) through (i) do not include fault. Fault is a separate, permissive consideration: under subsection (2), a court may consider the fault of the parties in determining whether to award alimony and the terms of the alimony. Fault is defined in section 81-4-501(3) and covers conduct during the marriage such as adultery, knowingly causing or attempting to cause physical harm, and substantially undermining the other party's financial stability.

What statute governs alimony in Utah now?

Utah Code section 81-4-502, effective September 1, 2024. This is a recodification of the former section 30-3-5. If you have a pre-September 2024 divorce decree that references section 30-3-5, that reference still describes the same legal framework; the law was reorganized, not substantively replaced (beyond the 2024 amendments made by HB 220).