Child Support Past 18 in New York: The Age 21 Rule
In New York, the parents of a child under 21 are chargeable with the child’s support, so child support generally runs to 21, not 18, unless the child is emancipated earlier.
What is the child support age limit in New York?
Twenty-one. The parents of a child under the age of 21 are chargeable with the support of the child and, if able, must pay a fair and reasonable sum (Family Court Act 413(1)). The paternity section likewise orders support until the child is 21 (FCA 545).
Does support stop at 18 in New York?
No. That is a common surprise: 21 is later than in most states.
| Child born | Turns 18 | Turns 21 |
|---|---|---|
| March 15, 2012 | March 15, 2030 | March 15, 2033 |
| August 31, 2011 | August 31, 2029 | August 31, 2032 |
| November 2, 2015 | November 2, 2033 | November 2, 2036 |
Try your own date in the New York child support end date calculator.
What does unemancipated mean?
Child support means a sum paid for the care, maintenance and education of any unemancipated child under 21 (413(1)(b)(2)). A child who is emancipated, for example by marriage or military service or by living independently, can fall outside it, but the court decides. The sections we read do not list the events, so ask a licensed New York attorney.
Does a child who finishes high school lose support?
Not by the statute’s words: it keys on age 21 and emancipation, not graduation. Your order may say something different, so read it.
Do I have to file to end child support?
The order should state its end, but withholding keeps running until it is stopped. Ask the court or the Support Collection Unit in writing and keep proof of the child’s birth date. See how to modify child support in New York.
What does the formula percentage mean for a child near 21?
The Child Support Standards Act applies the same percentage to combined parental income for a child under 21, 17% for one child (FCA 413(1)(b)(3)), so the amount does not step down at 18. It changes when the number of children changes.
Is there a low-income floor?
Yes. The statute defines a self-support reserve as 135 percent of the federal poverty level for a single person, below which the payer keeps that income (FCA 413(1)(b)(6), per the OTDA text). A low-income payer can ask for a recalculation.
Do the parents need a lawyer to change a custody-based payee?
Not necessarily. A petition in Family Court can ask to redirect support when custody changes, and the court clerk can explain the forms; a licensed New York attorney can advise on your case.
Does the age limit change when a child turns 18 and is still in school?
No. The statute’s limit is 21 for an unemancipated child, whether or not the child is in school (FCA 413(1)). Read your order for any different end date.
What if the child lives with someone other than a parent at 18?
The statute speaks of the parents’ duty to a child under 21 and the order says who gets the payments. If custody changed, file a petition to redirect support instead of changing it yourself (FCA 451(2)).
What if there are several children?
File a petition to recalculate when one child ages out; a modification cannot reduce arrears accrued before the application (FCA 451(1)), so file promptly instead of cutting payments yourself.
Do arrears end when child support ends?
No. Installments already owed stay owed. See the New York child support arrears calculator and how long arrears last.
Frequently asked questions
Does child support end at 18 in New York?
No. It generally runs to 21 for an unemancipated child.
What is the age of child support in New York?
Twenty-one, under the Family Court Act.
What ends New York child support before 21?
Emancipation, which the court decides.
Do I stop paying New York child support at graduation?
Not by the statute: it keys on age 21 and emancipation; read your order.
Do arrears end when New York support ends?
No. Installments already owed stay owed.
Official sources
- Family Court Act 413: Child Support Standards Act
- Family Court Act 545: order of support by parents
- Family Court Act 451: continuing jurisdiction
- Family Court Act 449: effective date
A local family law attorney can review your situation — many offer a free consultation.
This is general information, not legal advice. It is based on the cited New York statutes, rules and court opinions, and every case turns on its own facts. Confirm how the law applies to your situation with a licensed New York attorney.