Herndon, Virginia · Child Support
Life does not hold still after a child support order is signed. Maybe you lost a job you counted on, finally landed a better one, or watched your costs climb faster than your paycheck. If the number on your order no longer fits your life, that is genuinely stressful, and I want you to know you are not stuck with it forever. Let me walk you through how Virginia lets you change a support order, and the one timing rule that matters most.
By Alisa Chunephisal, Esq. · Founding Partner, NOVA Legal Professionals
This article is one part of our larger child support guide. For the full picture, start with our cornerstone, Child Support in Virginia. Here, I will focus on modifying support when something real in your life has changed.
An order reflects one moment, and life keeps moving
When the court set your support, it used the facts in front of it that day: your income, the other parent’s income, the schedule, the costs of raising your child. Real life rarely stays put. People change jobs, get sick, welcome another child, or reach the day daycare finally ends. We understand how unfair it can feel to keep paying a number that no longer matches your reality, or to keep receiving one that never kept up with rising costs. Virginia gives you a way to fix that, and it is more common than you might think.
The standard is a material change in circumstances
To change an order, you show a material change in circumstances since the last one. In plain terms, that means something real and meaningful is different now. The most common change is a shift in either parent’s income, up or down. Others include a change in the custody schedule that crosses the 90-day line, a change in the cost of the child’s health insurance, a change in work-related childcare, or a child aging out of support. A small or temporary dip usually is not enough, and we will always tell you honestly where your situation falls before you spend money.
The timing rule that protects you, or quietly costs you
Here is the part we wish every parent knew sooner, because we have watched it hurt good, well-meaning people. Virginia generally does not lower support for any time before the date you file your petition. So if your income drops and you wait six months to file, you can still owe the old, higher amount for those six months, and it stacks up as arrears. The clock starts when you file, not when your life actually changed. If money has gotten tight, the kindest thing you can do for yourself is reach out quickly, before that gap grows.
File Sooner, Not Later
If your income has dropped, waiting almost never helps and usually hurts. Support is generally not reduced for the period before you file, so every month you put it off can become a month of arrears you never needed to owe. We know filing feels like one more thing on an already hard day, but it is the single step that protects you most.
Did your income or schedule just change?
Tell me what is different, and I will tell you honestly whether it is likely to meet the standard, before you spend a dollar filing. No pressure, no commitment, just a straight answer.
It works both ways, and that is only fair
Modification is not only for the paying parent hoping to lower a number. If you receive support and the other parent’s income has gone up, or childcare has grown more expensive, or the schedule has shifted, you can ask the court to raise it. The same standard applies to both sides: show a real change, and the court recalculates under the current guideline. We help parents on both sides of this, and we treat the goal the same way every time, which is the right number, set from the right date.
What the new number is built on
When the court recalculates, it runs the same guideline it used the first time: both parents’ current income from all sources, the add-ons for childcare and the child’s health insurance, and the parenting schedule. If the law itself changed, like the 2025 increase to the guideline amounts, that can matter too, though a change in the law is handled on its own terms. The point is that a modification is simply a fresh, honest look at where things stand today, not a punishment and not a favor.
How we try to make this easier on you
Going back to court can feel exhausting, especially if the first case took a lot out of you. We try to take that weight off your shoulders. We will tell you plainly whether your change is likely to qualify, gather the proof, protect your filing date right away, run the new numbers, and either file the petition or respond to one. You can read more on our support modification page. Herndon is part of Fairfax County, so these matters are handled in the Fairfax Juvenile and Domestic Relations court, or through the state.
“If your income drops, please do not wait and hope it works out. File that week, because Virginia rarely looks backward, and every month you wait is a month you may still owe.”
Alisa Chunephisal, Esq. · Founding Partner
Alisa’s Practical Advice
If money got tighter, reach out before the arrears build, not after, because the date you file is the date your relief can start. Keep proof of what changed, the layoff letter, the new pay stub, the daycare bill, since the court works from documentation, not from memory or good intentions. And as hard as it is, keep paying the current order until a new one is entered, because stopping on your own only creates a second problem on top of the first.
You do not have to white-knuckle a number that no longer fits your life. The sooner we look, the more we can help.
Authoritative References
Sources
- Code of Virginia, § 20-108 and § 20-108.2. Modification of child support, the material change standard, and the rule against reducing support for periods before the petition is filed. law.lis.virginia.gov
- Code of Virginia, § 20-108.1. The rebuttable presumption that the recalculated guideline amount is correct.
- Senate Bill 805 (2025). Raised the combined monthly income cap to $42,500 and increased guideline amounts, effective July 1, 2025.
- Fairfax County and Virginia DCSE. Modifications are handled in the Fairfax Juvenile and Domestic Relations court and administratively through the Division of Child Support Enforcement.
Statutory authority verified against current Virginia law as of June 2026. Every child support case turns on its own facts.
Frequently Asked Questions
How do I change child support in Virginia?
You file a petition to modify and show a material change in circumstances since the last order, such as a change in income, custody, or the cost of insurance or childcare. The court then recalculates under the guideline using the current figures.
Can support be lowered for the months before I file?
Generally no. Virginia does not reduce support for any period before the date you file your petition, so waiting can leave you owing the old amount as arrears. Filing promptly is what protects you.
Can the parent receiving support ask for more?
Yes. Modification works both ways. If the paying parent’s income rises, or the child’s costs go up, the receiving parent can file under the same material-change standard.
Should I stop paying if I lost my job?
No. Keep paying the current order until the court enters a new one, and file to modify right away. Stopping on your own builds arrears and can create new problems for you.
When You Are Ready
Let’s get your Herndon order to fit your life again.
Tell me what changed, and I will tell you honestly whether it qualifies and help you protect your filing date right away. You really do not have to figure this out alone. The first call is a conversation, not a commitment.