Start with C.R.S. §§ 14-10-114(4), 14-10-122(1)(a). In Colorado, Changed circumstances so substantial and continuing as to make the existing terms unfair. For orders entered on or after January 1, 2014, § 14-10-114(4) also allows adjustment when maintenance plus child support exceeds or falls below 40% of combined adjusted gross income. That is the question this guide answers for modifying maintenance. Parties may agree that maintenance is non-modifiable as to amount or duration; a properly drafted agreement controls. Death of either party, remarriage of the recipient, or the term stated in the order (unless extended for good cause shown).
The legal standard in Colorado
Changed circumstances so substantial and continuing as to make the existing terms unfair. For orders entered on or after January 1, 2014, § 14-10-114(4) also allows adjustment when maintenance plus child support exceeds or falls below 40% of combined adjusted gross income.
Courts start from the decree, not from scratch. The judge asks what the parties and the court knew when maintenance was set, what has changed since, and whether the change is significant and durable enough to make the existing terms unreasonable. The moving party carries the burden, and documentation — tax returns, pension statements, medical records, lease agreements — decides most of these cases.
Grounds that most often succeed
- Retirement. Many states now treat reaching full retirement age as a presumptive or statutory ground. Early or voluntary retirement is scrutinized: courts ask whether it was in good faith, whether it was foreseeable at divorce, and whether the recipient had a chance to save.
- Involuntary income loss. Layoffs, business failure, disability, or industry collapse — with proof of diligent job-seeking. Voluntary underemployment is commonly met with income imputation instead of relief.
- The recipient's changed need. Improved earnings, remarriage-adjacent cohabitation, an inheritance, or reduced expenses.
- Health changes. New disability or extraordinary medical costs on either side.
- Cohabitation. Death of either party, remarriage of the recipient, or the term stated in the order (unless extended for good cause shown).
Grounds that rarely work: a new partner's income without statutory cohabitation, ordinary inflation, the payor's new family expenses standing alone, or a temporary dip in earnings.
How the Colorado rule applies
Apply the Colorado authorities in order. The facts are simplified so the statute and the standard are visible.
A former spouse in Colorado asks to change periodic maintenance after retirement or a drop in income.
- File a motion to modify filed in the district court case.
- Match the facts to the Colorado standard: Changed circumstances so substantial and continuing as to make the existing terms unfair. For orders entered on or after January 1, 2014, § 14-10-114(4) also allows adjustment when maintenance plus child support exceeds or falls below 40% of combined adjusted gross income.
- Check whether this award can be modified at all: Parties may agree that maintenance is non-modifiable as to amount or duration; a properly drafted agreement controls.
- If the request is to end support, prove a trigger: Death of either party, remarriage of the recipient, or the term stated in the order (unless extended for good cause shown).
Only installments accruing after the motion; accrued arrears are untouchable. The forum is the district court (or combined court) that entered the order, or Child Support Services (CSS).
Cohabitation and remarriage
Death of either party, remarriage of the recipient, or the term stated in the order (unless extended for good cause shown).
Cohabitation cases are intensely fact-driven: shared finances, shared household expenses, the relationship's public character, and its duration all matter. Colorado procedure requires proof — surveillance or speculation is not enough, and the recipient gets discovery and a hearing before payments stop. Until a court order issues, keep paying.
Step-by-step: how to file
- Read the decree and any incorporated agreement. Parties may agree that maintenance is non-modifiable as to amount or duration; a properly drafted agreement controls. Confirm the court retained jurisdiction to modify.
- Confirm the forum. Modification goes to a motion to modify filed in the district court case. If a party has moved away, UIFSA and registration rules determine where the petition belongs.
- Gather evidence dated to the change. Termination notices, disability awards, pension and Social Security statements, tax returns, medical records, or evidence of the recipient's cohabitation.
- File and serve promptly. Only installments accruing after the motion; accrued arrears are untouchable.
- Exchange financial disclosure. Many courts require updated financial affidavits; self-employment cases often add forensic accounting or a vocational expert.
- Seek temporary relief if needed. Where circumstances are dire, ask the court for interim reduction or suspension pending the full hearing — Colorado judges can grant temporary remedies in appropriate cases.
- Litigate, mediate, or stipulate. A settlement must be reduced to an order and entered before payment obligations change.
When the change takes effect
Only installments accruing after the motion; accrued arrears are untouchable.
The corollary: unilaterally reducing or stopping payments before an order issues builds arrears, interest, and contempt exposure — even if you ultimately win the modification.
Awards that cannot be modified (or are hard to change)
Parties may agree that maintenance is non-modifiable as to amount or duration; a properly drafted agreement controls.
Common traps:
- Lump-sum or property-division awards styled as maintenance are usually final when entered.
- Agreement language that waives modification binds the parties even though the statute would allow a petition.
- Expired terms — once a fixed term lapses, most states will not revive it; a timely pre-expiration motion is critical.
- Jurisdiction reservations — in some states, if the decree did not expressly reserve jurisdiction to modify, no later court can.
Case law: how Colorado courts decide maintenance modification
These LawDiver opinions show how Colorado appellate courts weigh changed circumstances, retirement, and cohabitation:
In Re the MARRIAGE OF Clare S. UDIS, Petitioner, and Bernard Udis, Respondent
…to the decree contained the following pertinent language: 4.Alimony. The Husband will pay to the Wife the sum of Two Hundred Dollars ($200.00) per month as alimony beginning the first day of September, 1972. When the younger child becomes emancipated, the parties agree that the alimony shall increase by an increment of Three Hundred Dollars ($300.00), to make the total alimony…
Practitioners open In Re the MARRIAGE OF Clare S. UDIS, Petitioner, and Bernard Udis, Respondent when Colorado maintenance modification turns on the distinction in this sentence: "Alimony. The Husband will pay to the Wife the sum of Two Hundred Dollars ($200.00) per month as alimony beginning the first day of September, 1972." Do not lift it out of the facts the court was deciding.
In re Marriage of Kann
In re Marriage of Kann, 2017 COA 94 (2017)
…action — for the proposition that recovering arrearages of alimony “amounts simply to a reimbursement of the wife. She is the one who reaps the benefit.” Johnson, 2016 CO 67, ¶ 24 (quoting Price, 80 Colo. at 160, 249 P. at 649). The court synthesized these principles by observing that allowing a laches defense to interest “would serve the dual purposes of protecting the right…
In re Marriage of Kann is worth reading on Colorado maintenance modification because the court put the point in its own words: "She is the one who reaps the benefit.” Johnson, 2016 CO 67, ¶ 24 (quoting Price, 80 Colo. at 160, 249 P. at 649)." Use that passage as the starting point, then read the facts that precede it.
In Re the Marriage of Hildegard SINN, Petitioner, v. Werner H. SINN, Respondent
…apply to those maintenance awards traditionally labeled as “alimony in gross.” The court based its holding on its earlier decision in In re Marriage of Gallegos, 41 Colo.App. 116, 580 P.2d 838 (1978). In that case, the court of appeals held that: [Wjhere ... maintenance is in a fixed and determinable amount to be paid either in a lump sum or is for a specific amount to be paid…
In Re the Marriage of Hildegard SINN, Petitioner, v. Werner H. SINN, Respondent is worth reading on Colorado maintenance modification because the court put the point in its own words: "The court based its holding on its earlier decision in In re Marriage of Gallegos, 41 Colo.App. 116, 580 P.2d 838 (1978). In that case, the court of appeals held that: [Wjhere ..." Use that passage as the starting point, then read the facts that precede it.
In Re the MARRIAGE OF Franklin Manning WARD, Petitioner, and Lola Lee Ward, Respondent
…8 (1981) (order allowing three-month reduction of husband’s alimony and child support obligations was not an abuse of discretion); Graham v. Graham, 21 Ill.App.3d 1032, 316 N.E.2d 143 (1974) (temporary reduction of child support until father finished his doctoral degree was not an abuse of discretion); Geisner v. Geisner, 319 N.W.2d 718 (Minn.1982) (alternatives such as deferra…
Practitioners open In Re the MARRIAGE OF Franklin Manning WARD, Petitioner, and Lola Lee Ward, Respondent when Colorado maintenance modification turns on the distinction in this sentence: "Graham v. Graham, 21 Ill.App.3d 1032, 316 N.E.2d 143 (1974) (temporary reduction of child support until father finished his doctoral degree was not an abuse of discretion); Geisner v. Geisner, 319 N.W.2d 718 (Minn." Do not lift it out of the facts the court was deciding.
In Re MARRIAGE OF: Patricia A. THOMPSON, Appellant, and Wayne Thompson, Appellee
…all constitute a full, final and complete settlement of all alimony, support and maintenance, both temporary and permanent, division of property, property rights and any and all other claims of any kind whatsoever.” The agreement also provided that: “No modification of any of the terms of this agreement shall be valid unless in writing and executed with the same formality as th…
On maintenance modification, In Re MARRIAGE OF: Patricia A. THOMPSON, Appellant, and Wayne Thompson, Appellee speaks to the Colorado dispute in this passage: "all constitute a full, final and complete settlement of all alimony, support and maintenance, both temporary and permanent, division of property, property rights and any and all other claims of any kind whatsoever.” The agreement also provided that: “No modification of any of the" The surrounding opinion shows how the court applied that language to the record.
In Re the MARRIAGE OF Miriam Lorraine PERLMUTTER, Petitioner, and David Perlmutter, Respondent
…ls which reversed a trial court decision awarding increased alimony to the Petitioner Miriam Perlmutter. We reverse. I. The parties were married in 1943 and divorced in 1966. The original court orders in the divorce provided for the division of *622 property, child support, alimony and attorneys’ fees. David Perlmutter appealed the division of the property and the court of appe…
In Re the MARRIAGE OF Miriam Lorraine PERLMUTTER, Petitioner, and David Perlmutter, Respondent is worth reading on Colorado maintenance modification because the court put the point in its own words: "Petitioner Miriam Perlmutter. We reverse. I. The parties were married in 1943 and divorced in 1966. The original court orders in the divorce provided for the division of *622 property, child support, alimony and attorneys’ fees." Use that passage as the starting point, then read the facts that precede it.
In Re Marriage of Gallegos
In Re Marriage of Gallegos, 41 Colo. App. 116 (1978)
…006 (1972), our Supreme Court stated that: "The granting of alimony in gross, or lump-sum alimony, as it is sometimes called, provides a definite and final judgment which the court cannot later modify. . . ." The principles regarding maintenance in gross stated in Carlson v. Carlson, supra have not been modified by the Uniform Dissolution of Marriage Act, § 14-10-101, et seq.,…
Colorado opinions such as In Re Marriage of Gallegos are cited where maintenance modification is disputed. The court stated: "Supreme Court stated that: 'The granting of alimony in gross, or lump-sum alimony, as it is sometimes called, provides a definite and final judgment which the court cannot later modify. . . .' The principles regarding maintenance in gross stated in Carlson v." That is the language to brief; the rest of the decision supplies the procedural posture.
In Re Marriage of Seymour
In Re Marriage of Seymour, 36 Colo. App. 104 (1975)
…r child custody in Bernice, the amount of child support and alimony to be paid by Philip, and the division of the property. It further provided that if a divorce decree were subsequently obtained, the Stipulation would be "incorporated" into that decree, and that, in such event, Philip would be responsible for all medical expenses incurred by his wife. On January 26, 1972, a se…
Practitioners open In Re Marriage of Seymour when Colorado maintenance modification turns on the distinction in this sentence: "Bernice, the amount of child support and alimony to be paid by Philip, and the division of the property." Do not lift it out of the facts the court was deciding.
Practical checklist before you file
- Identify which type of maintenance your decree awards — the modification rules differ by type.
- Confirm the decree or agreement does not bar modification.
- Document the change with third-party records, not just testimony.
- For retirement motions: assemble pension statements, Social Security estimates, the divorce-era financial disclosures, and evidence of good faith.
- For cohabitation petitions: gather admissible evidence and expect a discovery fight and an evidentiary hearing.
- Keep paying until the new order is signed; calendar the effective-date rules under C.R.S. §§ 14-10-114(4), 14-10-122(1)(a).
- Search LawDiver for recent Colorado appellate decisions before filing.
Key takeaways
- Colorado calls these payments maintenance, governed for modification purposes by C.R.S. §§ 14-10-114(4), 14-10-122(1)(a).
- The legal standard: Changed circumstances so substantial and continuing as to make the existing terms unfair.
- Only installments accruing after the motion; accrued arrears are untouchable.
- Termination events: Death of either party, remarriage of the recipient, or the term stated in the order (unless extended for good cause shown).
- Parties may agree that maintenance is non-modifiable as to amount or duration; a properly drafted agreement controls.
- File in motion to modify filed in the district court case — do not wait: Only installments accruing after the motion; accrued arrears are untouchable.
- Companion reading: Colorado maintenance guide and how to modify child support in Colorado.
Frequently asked questions
Can maintenance be modified in Colorado?
Yes, in most cases. Changed circumstances so substantial and continuing as to make the existing terms unfair. For orders entered on or after January 1, 2014, § 14-10-114(4) also allows adjustment when maintenance plus child support exceeds or falls below 40% of combined adjusted gross income.
Does retirement end maintenance in Colorado?
Retirement can support modification where it produces a genuine, good-faith reduction in ability to pay, but it is not automatic. Colorado courts weigh the timing, health, and foreseeability of the retirement under C.R.S. §§ 14-10-114(4), 14-10-122(1)(a).
Does my ex's cohabitation stop maintenance?
Death of either party, remarriage of the recipient, or the term stated in the order (unless extended for good cause shown). You must petition the court and prove the statutory elements — the obligation does not end by operation of the new relationship alone until a judge so orders (unless Colorado's statute makes termination automatic on remarriage).
Can maintenance be increased?
Yes, where the statute permits. Recipients who prove a material increase in need — often medical — can seek upward modification, subject to the payor's ability to pay.
Can Colorado courts modify maintenance retroactively?
Only installments accruing after the motion; accrued arrears are untouchable.
What if my maintenance was set by agreement?
Parties may agree that maintenance is non-modifiable as to amount or duration; a properly drafted agreement controls. Agreements matter: read the incorporated terms before assuming a petition will be heard on ordinary changed-circumstances grounds.
Related guides
- How Colorado calculates child support
- Colorado maintenance / alimony guide
- How to modify maintenance in Colorado
- How to modify child support in Colorado
Disclaimer
This guide is general legal information about modifying maintenance in Colorado, not legal advice. Statutes and case law change. Confirm the current text of C.R.S. §§ 14-10-114(4), 14-10-122(1)(a) and consult a licensed Colorado family-law attorney about your decree before filing or changing payments.