Under Utah Code 81-4-505, alimony can be modified upon a material and substantial change in circumstances. Common grounds include income changes, job loss, disability, retirement, cohabitation, and remarriage of the recipient.
Last updated: July 2026
Key Takeaways
- Alimony modification requires a material and substantial change in circumstances not contemplated at the time of the divorce.
- The payor’s retirement is expressly recognized as a material change for decrees entered after May 11, 2020.
- Modification is retroactive only to the date the petition for modification is filed, not the date circumstances changed.
Alimony modification in Utah is governed by Utah Code 81-4-505. The standard is strict: there must be a material and substantial change in circumstances that was not expressly contemplated in the divorce decree or the findings at the time of the decree. This means that if the divorce decree anticipated that the payor’s income would decrease in the future, or that the recipient would become self-supporting, those events may not qualify as unanticipated changes. The party seeking modification bears the burden of proving both the change and that modification is appropriate. Modification is not automatic, the court has discretion to increase, decrease, or terminate alimony based on the changed circumstances.
What many people do not realize is that the standard for modification is intentionally high. The purpose is to provide finality and stability in divorce decrees. Parties should not be able to revisit alimony every time there is a minor change in circumstances. The change must be significant and must have been unforeseeable at the time of the divorce. Common examples that meet the standard include a job loss that was not anticipated, a serious health condition affecting earning capacity, or a significant change in the needs of minor children. Minor fluctuations in income or cost of living increases generally do not meet the material and substantial standard. The court examines the magnitude of the change and whether it was within the range of possibilities contemplated at the time of the decree.
What qualifies as a material and substantial change in circumstances for alimony modification in Utah?
A material and substantial change is one that is significant, permanent or long-lasting, and was not anticipated at the time of the divorce decree. Examples that typically qualify include the payor’s loss of employment through no fault of their own, a significant increase or decrease in either party’s income, the payor’s disability preventing continued employment, the payor’s retirement (for decrees after May 11, 2020), the recipient’s cohabitation with a new partner, the recipient’s remarriage, the emancipation of children affecting the recipient’s need, and a significant change in the cost of living that affects the parties differently. Changes that are temporary, voluntary, or within the range of normal fluctuations generally do not qualify. The Utah Court of Appeals has held that a 20 percent change in income may or may not be material depending on the overall circumstances.
How does retirement affect alimony modification in Utah?
Under Utah Code 81-4-505(6)(a), for divorce decrees entered after May 11, 2020, the payor’s retirement is expressly recognized as a material and substantial change in circumstances for purposes of alimony modification. The retirement must be in accordance with the payor’s usual profession and customary retirement age. The payor must file a petition for modification and provide evidence of the retirement and its financial impact. If the decree specifically states that retirement is not a material and substantial change, then the statutory presumption does not apply. For decrees entered before May 11, 2020, retirement may still qualify as a material change depending on the circumstances, but the presumption is not automatic. The court considering a retirement-based modification will examine whether the retirement was reasonable and in good faith, not solely to avoid alimony.
Can alimony be increased in Utah?
Yes. Alimony can be increased upon a showing of a material and substantial change in circumstances that warrants an increase. Common grounds for increasing alimony include the recipient’s loss of employment through no fault of their own, the recipient’s disability preventing work, a significant increase in the cost of caring for minor children, or a significant increase in the payor’s income that was not anticipated. However, the court is generally more reluctant to increase alimony than to decrease it because the payor’s increased income is their own post-divorce earning and the recipient is not automatically entitled to share in it. The recipient must show not only that their need has increased but also that the increase was unanticipated and that the payor has the ability to pay more.
| Event | Effect on Alimony | Notes |
|---|---|---|
| Payor loses job | May decrease or suspend | Must be involuntary |
| Payor gets raise | May increase | Unusual, depends on circumstances |
| Recipient remarries | Automatic termination | Unless decree says otherwise |
| Recipient cohabits | May terminate | Payor must file motion |
| Payor retires | May decrease or terminate | Presumption for post-May 2020 decrees |
| Recipient disabled | May increase | Must show unanticipated change |
How do I file for alimony modification in Utah?
To modify alimony, you must file a petition for modification with the court that entered the original divorce decree. The petition must state the material and substantial change in circumstances and explain how it justifies the requested modification. You must also file a financial declaration showing your current income, expenses, assets, and debts. The other party has an opportunity to respond and file their own financial declaration. The court will hold a hearing at which both parties can present evidence. If the court finds that a material and substantial change has occurred, it will determine the appropriate modification. The modification is effective as of the date the petition was filed, not the date the change occurred or the date of the court’s decision. This makes timing important, filing promptly can prevent the loss of months of potential relief.
What are the grounds for terminating alimony in Utah?
Alimony automatically terminates upon the remarriage or death of the recipient under Utah Code 81-4-506. Alimony also terminates upon the death of the payor unless the decree provides otherwise. Alimony terminates upon the recipient’s cohabitation with another person under Utah Code 81-4-508, but the payor must file a motion to establish cohabitation and obtain a court order terminating alimony. The payor cannot simply stop paying based on a belief that cohabitation is occurring. The motion to terminate for cohabitation must be filed within one year of when the payor knew or should have known about the cohabitation. Alimony can also be terminated through a modification proceeding if the court finds that the recipient no longer needs support or the payor no longer has the ability to pay.
Is alimony modification retroactive in Utah?
Under Utah Code 81-4-505(3), alimony modification is retroactive only to the date the petition for modification was filed, not to the date the circumstances changed. This rule applies to both increases and decreases in alimony. If the payor’s income drops in January but they do not file a petition until June, any modification is effective only from June forward. This makes it critical to file the modification petition as soon as the change occurs. The only exception is when the parties agree to a retroactive modification or when the court finds that extraordinary circumstances justify retroactivity to a date before the petition was filed. Even in those cases, the court’s discretion is limited, and the safe approach is to file immediately when a material change occurs.
Frequently Asked Questions
Can alimony be modified if the parties agreed to a waiver of modification in the decree?
If the divorce decree expressly states that alimony is not modifiable, the court will generally enforce that provision. However, the court may still modify alimony if the waiver itself was the result of fraud, duress, or mutual mistake.
What if the payor voluntarily quits their job to reduce alimony?
The court can impute income to the payor based on their earning capacity rather than actual earnings. Voluntarily leaving employment to avoid alimony obligations does not reduce the alimony obligation.
Why professional legal guidance matters for alimony modification
Filing for modification pro se is not recommended because the process is complex and the standard is strict. The court requires specific findings and evidence. Legal representation significantly increases the likelihood of a successful modification.
How long does an alimony modification take in Utah?
The timeline varies by court and case complexity. A straightforward modification may be resolved in two to four months. Contested modifications with significant discovery or disputes can take six months to a year or longer.
Can alimony modification be denied even if circumstances have changed?
Yes. The court may find that the change is not material or substantial enough, that it was contemplated in the original decree, or that modification would not be equitable despite the change. The party seeking modification bears the burden of proof.
Does alimony modification affect child support?
Not directly. Child support and alimony are separate obligations. However, a modification of alimony may affect the parties’ financial circumstances in ways that could independently justify a modification of child support.
Can the court modify alimony if the recipient refuses to work?
Yes. If the recipient is voluntarily unemployed or underemployed without good cause, the court can impute income and reduce or terminate alimony. The payor must file a modification petition and present evidence of the recipient’s earning capacity.
What evidence do I need for an alimony modification in Utah?
You need financial declarations from both parties, tax returns, pay stubs, proof of the changed circumstance (such as termination notice, medical records, or retirement documentation), and evidence that the change was not contemplated in the original decree.
Do you need a lawyer for alimony modification in Utah?
Alimony modification requires meeting the strict material and substantial change standard. The burden of proof is on the party seeking modification, and the court has broad discretion in determining whether modification is warranted. An experienced Utah divorce attorney can help you evaluate whether your circumstances warrant modification, gather the necessary evidence, and present your case effectively to the court.
Going through a divorce in Utah? Jeremy D. Eveland, MBA, JD, can help you navigate the legal process and protect your rights.
Call (801) 613-1472 or visit jeremyeveland.com to schedule a consultation today.
This article is for informational purposes only and does not constitute legal advice. Consult with a qualified Utah family law attorney for advice specific to your situation.
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