Section 156.101 Material Change Requirement | Marroquin v. Villarreal (2026)

Marroquin v. Villarreal, 03-26-00188-CV, August 31, 2026.

On appeal from 345th District Court of Travis County

Synopsis

A party seeking to modify conservatorship under Texas Family Code Section 156.101(a)(1) must prove both a material and substantial change in circumstances since the prior order and that the requested modification is in the child’s best interest. When the trial court denies modification and no findings of fact or conclusions of law are requested, the appellate court will imply all findings necessary to support the judgment and affirm if legally and factually sufficient evidence supports the implied determination that the movant failed to carry that burden.

Relevance to Family Law

This is a straightforward but important reminder for Texas family-law litigators handling SAPCR modifications after divorce or in standalone custody litigation: modification cases are won or lost on disciplined proof tied to the last controlling order. Marroquin v. Villarreal reinforces three practical realities—first, historical misconduct that predates the prior order generally functions as background rather than proof of the required post-order change; second, bare denials are hard to reverse when the movant did not request findings; and third, appellate review remains highly deferential where the trial court, as factfinder, could reasonably reject the movant’s narrative on material change or best interest.

Case Summary

Fact Summary

The parties were joint managing conservators under a 2022 order. Marroquin had the exclusive right to designate the child’s primary residence within Travis and contiguous counties, and Villarreal had standard unsupervised possession. Marroquin later sought a substantial modification: sole managing conservatorship for himself and supervised possession for Villarreal for at least twelve months, with no automatic step-up.

After a bench trial, the district court denied the petition in a short order stating that modification was not supported by the evidence. On appeal, Marroquin argued that the trial court’s “bare order” reflected an unreasonable exercise of discretion and a failure to properly evaluate conservatorship and possession issues.

The evidence at trial included testimony from a DFPS investigator, the child’s school counselor, and both parents. The DFPS investigator testified about an April 2025 investigation arising from allegations that the child had been locked in a room and had concerns about his mother’s drinking and food access. But the investigator testified that physical abuse and neglect were ruled out, Villarreal’s alcohol and drug tests were negative, and the child did not report several of the more serious allegations Marroquin advanced at trial.

The school counselor testified that the child had reported distress after a Thanksgiving incident, fear about going to his mother’s home, and allegations that his mother slapped him, yelled at him, and called him names. The child also described an older choking allegation from several years earlier. But that older allegation significantly predated the 2022 order.

Marroquin introduced exhibits concerning pre-2022 events, including an older police report and photographs of bruising that had already been part of the earlier litigation. The trial court expressly stated that any pre-order evidence would be considered only as history. Villarreal denied the current abuse allegations, denied locking the child in a room, denied substance abuse, and testified to random workplace testing and the fact that she was nursing an infant. She also testified that Marroquin sought the modification after she raised reducing child support and that he later offered to return child-support money if she would agree to give him full custody and accept supervised visitation. The court of appeals noted that Marroquin did not dispute that testimony.

Issues Decided

• Whether a conservatorship modification under Texas Family Code Section 156.101(a)(1) requires proof of a material and substantial change in the circumstances of the child, a conservator, or another affected party since the prior order, along with proof that the requested modification is in the child’s best interest.

• Whether the trial court abused its discretion by denying modification where the movant claimed the evidence established changed circumstances.

• Whether, in the absence of requested findings of fact and conclusions of law, the appellate court must imply the findings necessary to support the judgment.

• Whether legally and factually sufficient evidence supported the implied finding that the movant failed to meet his burden under Section 156.101(a)(1).

Rules Applied

The court applied the standard modification framework under Texas Family Code Section 156.101(a)(1). To modify conservatorship, the movant must prove by a preponderance of the evidence:

• a material and substantial change in circumstances since the prior order; and

• that the requested modification is in the child’s best interest.

The court also applied the familiar abuse-of-discretion standard governing modification rulings, citing Gillespie v. Gillespie and In re J.J.R.S. It reiterated that in family-law appeals, sufficiency review is embedded within abuse-of-discretion review, relying on Zeifman v. Michels. Under that framework, the reviewing court asks whether the trial court had sufficient evidence upon which to exercise its discretion and whether it erred in applying that discretion.

For sufficiency review, the court cited City of Keller v. Wilson for legal sufficiency principles and Dow Chemical Co. v. Francis and Cain v. Bain for standards governing legal and factual challenges to an adverse finding on an issue on which the appellant bore the burden of proof. The court also relied on Golden Eagle Archery, Inc. v. Jackson and McGalliard v. Kuhlmann for deference to the factfinder’s credibility determinations.

Finally, the court invoked the implied-findings doctrine. Because no findings of fact or conclusions of law were requested, all facts necessary to support the judgment and supported by the record were implied in favor of the judgment, subject to sufficiency review. The court cited Zeifman, Texas Rule of Civil Procedure 296, and Izen v. Laine.

Application

The court’s analysis was methodical and practical. It began with the correct statutory burden: Marroquin had to prove a material and substantial change since the 2022 order and best interest. That temporal anchor mattered. Much of his documentary proof concerned events that predated the last order. The trial court expressly limited that evidence to historical context, which is exactly how a modification court should treat facts already folded into the prior decree. A litigant cannot relitigate the factual basis of the last order under the guise of a new modification unless he proves subsequent changed circumstances.

The appellate court then examined the post-order evidence and concluded that it did not compel modification. The DFPS investigator did not substantiate physical abuse or neglect and obtained negative alcohol and drug test results from Villarreal. The child’s statements to the school counselor reflected concern and distress, but the trial court, sitting as factfinder, was not required to accept those statements as conclusive proof of present material change warranting sole managing conservatorship and supervised visitation. Villarreal denied the allegations, and the trial court was entitled to credit her testimony. That is especially true in a bench trial, where credibility often drives the result.

The court also treated motive evidence as relevant context. Villarreal testified that the modification petition followed her effort to reduce child support and that Marroquin attempted to secure an agreed custody shift by offering to refund support payments if she accepted supervised visitation. The opinion notes that Marroquin did not dispute that testimony. While motive alone does not defeat a modification claim, it plainly informed the trial court’s view of credibility and weight.

Because Marroquin did not request findings of fact and conclusions of law, he lost the ability to force the trial court to identify whether it found no material change, no best interest, or both. On appeal, that omission was consequential. The court implied all findings necessary to support the denial and then asked only whether sufficient evidence supported those implied findings. Given the conflicting evidence and the deference owed to the trial court, affirmance followed naturally.

Holding

The court held that a modification of conservatorship under Texas Family Code Section 156.101(a)(1) requires the movant to prove by a preponderance of the evidence that the circumstances of the child, a conservator, or another affected party have materially and substantially changed since the prior order and that the requested modification is in the child’s best interest.

The court further held that when the trial court denies modification and the movant does not request findings of fact and conclusions of law, the appellate court will imply all findings necessary to support the judgment so long as those implied findings are supported by the record. In that posture, a “bare order” is not itself error.

Finally, the court held that legally and factually sufficient evidence supported the implied finding that Marroquin failed to satisfy Section 156.101(a)(1). Accordingly, the trial court did not abuse its discretion in denying the requested modification.

Practical Application

For practitioners, Marroquin is less about novel doctrine than about disciplined modification practice. The case is a reminder to structure every petition to modify around the last operative order, not around the entire history of the parties. If the key facts were known before entry of the prior order, they will usually serve only as context unless you can connect them to a demonstrable post-order escalation, recurrence, or newly discovered significance.

The case also underscores that allegations alone are not enough, even when they involve serious themes such as alcohol abuse, confinement, or physical mistreatment. If DFPS ruled out abuse or neglect, if testing was negative, or if the other side has plausible rebuttal testimony, the movant needs corroboration that is concrete, chronological, and clearly tied to the statutory standard. Without that kind of proof, a request for a dramatic remedy—such as shifting from joint managing conservatorship to sole managing conservatorship and reducing the other parent to supervised visitation—may appear disproportionate to the evidentiary record.

From an appellate-preservation standpoint, the opinion is a cautionary tale. If you try a modification case to the bench and lose, requesting findings of fact and conclusions of law is often essential. Without them, the appellate court will imply every finding necessary to support the judgment, making reversal significantly more difficult. In close credibility contests, implied findings can be outcome determinative.

The case also has strategic implications in related divorce and post-divorce litigation. Child-support disputes, enforcement friction, and custody modification efforts often unfold simultaneously. This opinion shows how evidence suggesting retaliatory motive or bargaining over custody in response to support issues can undermine the persuasiveness of a modification claim. Litigators should therefore expect trial courts to evaluate not just the allegations, but the litigation context in which those allegations emerge.

Checklists

Build the Section 156.101(a)(1) Record

• Identify the exact prior order that controls the modification analysis.
• Plead and prove the date of that order.
• Separate pre-order history from post-order changed circumstances.
• Tie each alleged change to a specific person identified in the statute: the child, a conservator, or another affected party.
• Develop independent evidence on best interest rather than assuming changed circumstances alone will carry the case.
• Match the requested relief to the severity and quality of the proof.

Prove a Material and Substantial Change

• Create a timeline beginning on the date the last order was signed.
• Use records, texts, school reports, medical records, police reports, DFPS records, and third-party testimony to corroborate events after that date.
• Show frequency, duration, escalation, or functional impact on the child.
• Distinguish isolated incidents from a sustained change in circumstances.
• Explain why the alleged change is materially different from facts already considered in the prior order.
• Avoid relying primarily on stale allegations or evidence already presented in the earlier case.

Prove Best Interest When Seeking a Major Restriction

• Show how the requested change will improve the child’s stability, safety, or functioning.
• Present evidence on school performance, emotional condition, daily care, and parent-child functioning.
• Address less restrictive alternatives if seeking supervised visitation.
• Anticipate and rebut the argument that the requested relief is disproportionate.
• Prepare to explain why no automatic step-up is appropriate if you seek to exclude one.
• Offer a workable possession framework that the court can reasonably adopt.

Handle Adverse Agency Evidence

• Obtain the full DFPS file, not just intake allegations.
• Be prepared to address ruled-out findings and negative testing.
• Do not overstate what an investigator can or will support.
• If agency findings are unfavorable, supplement with stronger third-party and documentary proof.
• Clarify whether the agency investigated the same conduct that forms the basis of the modification request.
• Use expert or professional testimony where agency evidence is inconclusive but child-impact evidence is significant.

Preserve Error for Appeal

• Request findings of fact and conclusions of law after a bench trial.
• If findings are incomplete or omitted, file a timely notice of past-due findings.
• Frame appellate issues around both sufficiency and abuse of discretion.
• Remember that on an issue where your client bore the burden of proof, reversal is difficult without a compelling evidentiary record.
• Cite the exact statutory elements the trial court allegedly misapplied.
• Do not rely on the brevity of the order itself as proof of reversible error.

Avoid the Non-Prevailing Party’s Mistakes

• Do not assume a serious allegation automatically proves material change.
• Do not build the case around events predating the last order unless they illuminate a later change.
• Do not seek findings only after appeal is underway; preserve them on time.
• Do not ignore credibility vulnerabilities or motive evidence.
• Do not pursue outsized relief without correspondingly strong proof.
• Do not let support disputes or negotiation tactics cloud the modification presentation.

Citation

Marroquin v. Villarreal, No. 03-26-00188-CV, 2026 WL ___ (Tex. App.—Austin Aug. 31, 2026, no pet.) (mem. op.).

Full Opinion

Read the full opinion here

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