High-Income Child Support in Texas: How the Above-Guideline Calculation Works
Texas caps how much of a high earner’s income automatically factors into guideline child support — but that cap doesn’t mean a wealthy parent’s support obligation is capped at the same modest level as everyone else’s. A recent, significant change to that cap, combined with a real path to support above it, means this is worth understanding precisely rather than assuming either extreme.
The Cap Just Changed, and It Matters
Effective September 1, 2025, Texas Family Code Section 154.125’s net resources cap increased from $9,200 to $11,700 per month — a substantial jump, and one that affects any new order or modification finalized on or after that date. If your case, or an existing order, predates this change, it’s worth knowing precisely how it applies to you.
How Guideline Support Actually Works Up to the Cap
Texas applies a straightforward percentage to the paying parent’s net monthly resources, up to the current cap:
The Guideline Percentages
20% for one child, 25% for two children, 30% for three children, 35% for four children, and 40% for five or more. At the new $11,700 cap, that translates to real dollar figures: $2,340 per month for one child, $2,925 for two, and $3,510 for three — each a meaningful increase from the prior cap’s $1,840, $2,300, and $2,760 respectively.
What Counts as Net Resources
Net resources include most income sources, with limited deductions. One detail that surprises people: Section 154.069 excludes a new spouse’s income entirely from the calculation, meaning remarrying doesn’t automatically raise or lower a parent’s child support obligation.
What Happens Above the Cap: The “Proven Needs” Standard
This is where high-income child support genuinely diverges from the standard formula. Earning well above the $11,700 cap doesn’t automatically mean paying more than the guideline amount at the cap — Texas Family Code Section 154.126 allows a court to order additional support above the guideline figure, but only based on the child’s proven needs, not simply because a parent can afford it.
What “Proven Needs” Actually Requires
This generally means demonstrating specific, evidence-supported expenses tied to the child’s actual care, education, health, or well-being — private school tuition, specialized medical or therapeutic needs, or a documented standard-of-living argument tied to the family’s actual lifestyle before the divorce. A parent seeking support above the guideline amount has to affirmatively present this evidence; a court won’t simply assume more support is warranted because the paying parent is wealthy.
If You Have an Existing Order From Before the Cap Increase
An order calculated under the old $9,200 cap doesn’t update automatically just because the law changed — someone has to file for modification. Under Texas Family Code Section 156.401, an existing order qualifies for modification if three years have passed since it was signed and the new guideline amount would differ from the current order by either 20% or $100 per month, whichever is greater. Given how significant the cap increase was, many existing orders involving a paying parent earning above the old $9,200 threshold likely meet this difference threshold already.
When a Parent Supports Children From More Than One Family
If the paying parent has a legal duty to support children from a different relationship, Texas uses an adjusted calculation under Sections 154.128 and 154.129 rather than the standard percentages — the applicable percentage for the child in the current case gets reduced to account for the parent’s total support obligations across all their children, not just the ones in this specific case.
Talk to a San Antonio Attorney About Your Child Support Case
Barton & Associates’ Family Law Division represents high-net-worth clients across San Antonio and Bexar County navigating exactly these calculations — both establishing new support orders under the current cap and evaluating whether an existing order qualifies for modification. Our attorneys hold board certification in family law from the Texas Board of Legal Specialization. Contact us for a free, confidential consultation.
Frequently Asked Questions
Does the New $11,700 Cap Automatically Apply to My Existing Child Support Order?
No — an existing order calculated under the old $9,200 cap doesn’t update automatically. Either parent has to file a formal modification request, and Texas Family Code Section 156.401 sets the threshold: three years since the order was last signed, and a difference of 20% or $100 per month between the old and new guideline amounts.
If I Earn Far More Than the Cap, Will I Automatically Pay More Than the Guideline Amount?
Not automatically. Earning above the cap opens the door to additional support under Section 154.126, but the receiving parent has to prove the child’s actual needs justify an amount above the guideline figure — extraordinary medical costs, private education, or a specific, documented standard-of-living argument. Simply having a higher income than the cap doesn’t, by itself, produce a higher support order.
Does My New Spouse’s Income Affect My Child Support Obligation?
No — Texas Family Code Section 154.069 specifically excludes a new spouse’s income from the child support calculation. Remarrying doesn’t change your existing obligation just because your household income changed.
What If I Support Children From a Previous Relationship in Addition to This Case?
Texas Family Code Sections 154.128 and 154.129 provide an adjusted formula for this situation, reducing the guideline percentage applied in the current case to account for your total support obligations across all the children you’re legally responsible for, not just the ones involved in this specific proceeding.
Is It Worth Requesting a Modification If My Order Is Only a Little Old?
It depends on the numbers. The modification standard generally requires either a material and substantial change in circumstances, or, on the time-based path, three years since the last order plus a 20% or $100 monthly difference under the new guidelines. Given how large the recent cap increase was, many orders that predate September 2025 and involve a higher-earning paying parent are likely to meet that threshold — worth having your specific numbers reviewed rather than assuming either way.
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Barton & Associates, Attorneys at Law
115 Camaron St, San Antonio, TX 78205
Office: 210-500-0000
Division: Family Law San Antonio
Practice Area: Divorce & Separation
Focus Area: High-Net-Worth Divorce
