What Age Does Child Support End in NJ: 19, Extensions, and Arrears

In New Jersey, child support ends automatically when a child turns 19. That’s the default set by state law, and it applies without any court hearing or filing.¹ Support can be extended as late as the child’s 23rd birthday in specific situations, but the extension isn’t automatic and the deadline to request it is short. A court order or settlement agreement that already sets a different end date overrides the default.

What Ends Support Automatically

Four events terminate a New Jersey child support obligation by operation of law: the child turns 19, marries, dies, or enters military service.¹ No hearing is required. The obligation simply stops on the triggering date. Court-ordered medical support, meaning health insurance coverage for the child, ends on the same schedule.²

The military service trigger does not distinguish between active duty and other service. Formal entry into military service ends the obligation regardless of branch.

The Notices You’ll Get Before Support Ends

For cases handled through the Probation Division, the state sends two written notices before support terminates. The first goes out at least 180 days before the proposed termination date. The second follows at least 90 days out, unless a continuation request is already pending.¹

Both notices are mailed to the last known address on file for each parent. If you’ve moved and didn’t update your address, the termination still proceeds on schedule. The notice includes the proposed end date, your options, and the form for requesting continuation.

When Support Can Continue Past 19

The custodial parent can ask that support continue beyond 19 if the child fits one of the categories below. The absolute cap is the child’s 23rd birthday; no extension can go past that date.³

Still enrolled in high school at 19, until secondary education is complete.
Enrolled full-time in a post-secondary program, whether college, university, vocational school, or graduate school. The school’s own definition of full-time controls.⁴
A physical or mental disability that a federal or state agency determined existed before the child turned 19.¹
Placed out of home through the Division of Child Protection and Permanency.
Exceptional circumstances that a court finds compelling, filed by motion.¹

The disability standard trips people up. A diagnosis from a private doctor is not enough on its own. The condition must have been determined by a government agency, and it must have existed before the 19th birthday. For a severely disabled child who reaches 23, a parent or the child can ask the court to convert the support obligation into a different form of financial maintenance, but that arrangement sits outside the child support enforcement system.³

The 45-Day Filing Window

This is where most parents lose the right to continued support. The custodial parent must submit a Request for Continuation of Support, with supporting documents, within 45 days of the child’s 19th birthday.³ Filing goes through the Case Information Portal online, or by mail. The request has to include a proposed new termination date, which cannot fall after the child turns 23.

The documentation depends on the ground. For education, you’ll need proof of full-time enrollment (a registration statement or letter from the school) and the expected graduation date.⁵ For disability, you’ll need the agency’s determination and a description of how the disability prevents the child from being self-supporting.

The Probation Division reviews everything and makes a recommendation to a judge. If approved, a new termination date is entered. Miss the 45-day window without an existing order or agreement that already provides for continued support, and the obligation ends. Reinstating it after that point requires separate legal action with no guaranteed outcome.

When Your Existing Order or Settlement Controls

The age 19 default does not apply if your divorce judgment, court order, or marital settlement agreement already sets a different termination point.¹ An agreement might specify that support continues until the child graduates from a four-year college, or until age 22. Whatever the document says, it still cannot push past the 23rd birthday.

If your agreement already extends support beyond 19, you don’t need to file a continuation request. The order governs. The reverse is also true: a paying parent can’t count on automatic termination at 19 if their own agreement says otherwise. Read the child support language in your divorce decree and any amended orders carefully. Those terms override the default.

What Happens With More Than One Child

When one child in a multi-child support order turns 19, the total support amount does not automatically drop. New Jersey uses statewide guidelines that factor in both parents’ incomes, the number of children, and parenting time. A recalculation for the remaining children has to be requested; it does not happen on its own.

The paying parent needs to file a motion to modify. Until a judge signs a new order, the full existing amount remains due. And the reduction is rarely a simple fraction. Support for two children under the guidelines is not two-thirds of the support for three, because the calculation runs off current incomes and expenses. File the motion promptly when the first child reaches 19, because any reduction typically takes effect from the filing date, not retroactively to the birthday.

College Costs Are a Separate Question

Continuing basic child support while a child is in college is one issue. Ordering a parent to pay tuition, room, and board is a different legal question, handled through its own motion rather than the Probation Division’s continuation process. Under case law, a New Jersey court can order divorced parents to contribute to college expenses after weighing factors like each parent’s finances, the child’s own resources, financial aid, the child’s academic effort, and the relationship between the child and the paying parent.

Paying tuition and dorm costs does not automatically lower your basic support amount. If college expenses have made the existing support figure unrealistic, a separate motion to modify based on changed circumstances is the mechanism.

Arrears Survive Termination

If you still owe back child support when the obligation ends, the debt does not disappear. The Probation Division keeps the case open and continues collection until arrears reach zero.⁶ Wage garnishment, tax refund interception, license suspension, and property liens all remain available. Interest can continue to accrue on the unpaid balance.⁷

When current support ends and only arrears remain, the monthly payment is typically restructured so the total you were paying (current support plus any existing arrears payment) becomes the new arrears-only payment. Once the balance and any accrued interest are cleared, file a Warrant to Satisfy Judgment to remove the child support judgment lien from your record.⁶ The lien sits on your credit and property records until you take that step.

1
Justia Law. New Jersey Code 2A:17-56.67 – Termination of Obligation to Pay Child Support, Medical Support
2
NJ Courts. Termination of Support
3
NJ Child Support. Frequently Asked Questions – Section: Termination
4
NJ Courts. My Child Is in College. Do I Have to Continue Paying Child Support
5
NJ Courts. How to File a Request to Modify a Non-Dissolution FD Court Order
6
NJ Courts. Child Support Collections and Enforcement
7
NJ Courts. Notice – Post-Judgment Interest Rate for Calendar Year 2026 (Rule 4:42-11)