If your life has changed significantly since a custody order was signed, you should not have to keep living under terms that no longer protect your child. Texas law gives parents a path to seek a child custody modification when a material and substantial change in circumstances has occurred since the original order. The first question we answer together is whether your facts clear that bar.

Courts set a high threshold intentionally. They do not want children disrupted every time a parent is unhappy. But when something has genuinely and significantly shifted, the law gives you recourse. Knowing what that looks like, proving it, and making sure the court sees it clearly is exactly what we do.

A custody modification is a court-ordered change to an existing child custody arrangement. It can address conservatorship (who makes legal decisions about the child), possession and access (the physical schedule), or both.

Texas Family Code Section 156.101^[1]sets out when a court may modify a conservatorship order. To get there, the requesting parent must prove one of three conditions:

• Material and substantial change: The circumstances of the child, a parent, or another party affected by the order have materially and substantially changed since the order was rendered or last modified.
• Voluntary relinquishment: The conservator who has the exclusive right to designate the child’s primary residence has voluntarily relinquished primary care and possession of the child for at least six months.
• Child’s preference (age 12+): The child is at least 12 years old and has expressed to the judge (typically in a private in-chambers interview) which parent they prefer to have the exclusive right to designate the child’s primary residence.

Important: If you are asking to change the person with the exclusive right to determine the child’s primary residence within one year of the current order, Texas Family Code § 156.102 applies. In that situation, you generally must file a verified (sworn) affidavit with specific allegations (for example: the child’s present environment may endanger physical health or significantly impair emotional development, the current primary conservator agrees to the change, or the current primary conservator has voluntarily relinquished primary care and possession for at least six months, with certain military-deployment exceptions).

Proving a material change is the first gate. Even then, the court must find that the proposed change serves the child’s best interest, which is the controlling standard under Texas Family Code Section 153.002^[2]Both questions have to go your way. We build the case to answer both.

This is where most modification cases are won or lost. The change should be real and significant, and it must have occurred since the last custody order (or be information that was not known to the court at the time).

A parent being dissatisfied, or simply wanting more time, is not enough. Courts want provable facts.

Changes Texas courts have recognized as material and substantial include:

• Relocation: A parent planning to move in a way that makes the current possession schedule unworkable.
• Major income shift: A significant change in a parent’s financial situation that affects the child’s stability or daily life.
• Remarriage or new household: A new living situation that meaningfully changes the environment where the child spends time.
• Deteriorating health: Documented decline in a parent’s mental or physical capacity to provide safe, stable care.
• Repeated order violations: A pattern of one parent refusing to follow the existing possession schedule.
• Danger to the child: Evidence of abuse, neglect, substance abuse, or domestic violence in the child’s home environment.
• The child’s changing needs: Significant shifts in educational, medical, or emotional needs that the current order cannot accommodate.

Documentation matters. A modification built on vague frustration loses. One built on specific, provable facts has a fighting chance.

Here is what the process looks like from the moment you call us to the day a new order is signed:

1. We assess your case. Before anything is filed, we go through what has changed, what the current order says, and whether the facts clear the material-change threshold. We tell you honestly where you stand.
2. We file the Petition to Modify. Your Suit for Modification is filed in the court holding continuing, exclusive jurisdiction over the child.
3. The other parent is served. They receive formal notice and have an opportunity to respond. From the moment service is completed, the clock starts moving.
4. Temporary orders, if needed. If your child’s safety or stability is at immediate risk, we can request temporary orders to govern custody while the full case is pending. Texas Family Code Section 105.001^[3]authorizes courts to enter those orders when circumstances warrant it.
5. Negotiation and mediation. Many modifications resolve without a contested hearing.
6. Final hearing or trial. If the other side will not agree to terms that protect your child, we go to court.

How Texas Courts Decide What Is Best for Your Child

Even when a material change is proven, the court still has to answer a second question: does the proposed modification actually serve the child’s best interest?

Factors Texas courts weigh in a custody modification include:

• Your child’s physical and emotional needs, both now and in the years ahead.
• Each parent’s capacity to meet those needs consistently.
• Danger in either household, present or foreseeable, including any history of family violence or substance abuse.
• The stability each parent offers: housing, education, healthcare, daily routine.
• Your child’s stated preference, if they are at least 12. The judge will hear it and weigh it, but is not required to follow it.
• Each parent’s conduct, including compliance with the existing order and the demonstrated quality of the parent-child relationship.

When Custody Changes, Child Support Usually Needs to Change Too

Texas Family Code Section 156.401^[4] allows a court to modify child support when there has been a material and substantial change in circumstances, or when three years have passed since the order was set and the current amount differs from the guideline figure by at least 20 percent or $100 per month.

When You Cannot Wait: Emergency Custody Orders

If your child is in immediate danger, a Texas court can enter a Temporary Restraining Order (TRO) and/or temporary orders (and, in family-violence situations, a separate protective order) on an emergency basis when the facts support it.

A TRO issued without notice generally lasts up to 14 days and must set a hearing within that time (it may be extended in limited circumstances). Temporary orders under Texas Family Code § 105.001 are typically entered after notice and a hearing.

Scott M. Brown is Board Certified in Family Law by the Texas Board of Legal Specialization, a credential held by fewer than 1% of Texas attorneys. Our firm has multiple board-certified family law attorneys. When you hire us, you are getting specialists, not a general practice firm that handles custody cases on the side.

We have handled custody modifications across Brazoria, Fort Bend, Galveston, and Harris County. We know these courtrooms, we know the standards each courthouse applies, and we know what evidence moves a judge. Our case results reflect what we have actually accomplished for parents who needed their custody order changed, not just filed.

Our approach is mediation-first when that serves you, trial-ready when it does not. We will not push you into conflict you do not need. We will not back down from conflict you cannot avoid. That balance is how we protect our clients without wasting their time or their money.

You do not have to figure this out alone. Schedule a consultation and tell us what has changed. We will assess your facts, give you a straight answer about where the case stands, and fight for the outcome your child deserves.

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