How to collect unpaid child support in New Jersey
Arrears, interest and enforcement, with a letter to the agency.
Checked against official sources: Oct 25, 2026.
Short answer
Arrears means child support that is past due. No interest. New Jersey has no statute adding interest to child support arrears, and the agency does not calculate interest.
- Interest on unpaid support
- No interest
- License suspension
- Licenses (driver's, professional, occupational, recreational) can be suspended when unpaid support equals six months of support or more, or court-ordered health coverage hasn't been provided for six months.
- Passport denial
- Over $2,500 past due (federal law)
What the agency can do in New Jersey
Arrears means support that is past due. The child support agency can use these tools to collect it:
- Income withholding
- Federal and state tax refund offset (federal: $500+ owed in non-assistance cases)
- Bank levy and seizure of assets
- Passport denial ($2,500 or more owed)
- Credit reporting (over $1,000 owed)
- NJ Lottery intercept ($600+ winnings)
- Casino, sports wagering and internet gaming intercept ($40,000+ winnings)
- Civil awards and settlements intercept
- Liens and automatic judgments
- Driver's, professional, occupational and recreational license suspension
- Bench warrants and court enforcement hearings
Law: NJ Child Support Program, Enforcement page; OCSS IRG New Jersey profile
Ask the agency in writing to collect what is owed: Ask the agency to collect unpaid support
When a license can be suspended in New Jersey
Licenses (driver's, professional, occupational, recreational) can be suspended when unpaid support equals six months of support or more, or court-ordered health coverage hasn't been provided for six months. Probation first sends a notice; you have 30 days to pay in full, show coverage, or ask in writing for a court hearing.
Source: NJ Child Support Enforcement page; OCSS IRG New Jersey profile
Contempt of court in New Jersey
Your Probation child support worker or a private lawyer can ask for an enforcement hearing in Family Court. The judge can order immediate payment, extra payments toward arrears, or arrest if payment isn't made. You can also file a post-judgment motion to enforce.
Interest on unpaid support in New Jersey
No interest. New Jersey has no statute adding interest to child support arrears, and the agency does not calculate interest. Unpaid support does become a judgment automatically.
Source: OCSS Intergovernmental Reference Guide, New Jersey profile
Federal collection tools
- Tax refunds. The federal government can take a federal tax refund to pay past-due child support. Law: 42 U.S.C. 664
- Passports. A parent who owes more than $2,500 in past-due support can be refused a passport. Law: 42 U.S.C. 652(k)
- Pay withholding limit. For support, up to 50% of take-home pay can be withheld if the parent supports another spouse or child, or 60% if not. It is 55% or 65% when support is more than 12 weeks behind. Law: 15 U.S.C. 1673(b)
- Past-due support. Each unpaid payment becomes a judgment on the day it is due. It can't be lowered later, except back to the date the other parent got notice of a request to change the order. Law: 42 U.S.C. 666(a)(9)
In nearby states
- Rhode Island: 12% a year
- New York: 9% a year
- Vermont: No interest
- West Virginia: 5% a year
What to do now in New Jersey
Track what was paid
A simple list of payments received and missed helps the agency.
Contact the agency
If you don't have a case yet, open one with New Jersey Child Support Program (Division of Family Development, NJ Department of Human Services (1-877-655-4371) · Apply online
Share what you know
Tell the agency where the other parent works or lives.
Ask about interest
Ask the agency for the total owed, with any interest.
Get help
Legal aid can help for free: Legal Services of New Jersey (LSNJLAW Hotline) and LSNJLaw self-help resources.
Free help in New Jersey
Questions about unpaid support in New Jersey
What happens if child support is not paid in New Jersey?
Arrears means support that is past due. The child support agency can use these tools to collect it: Income withholding; Federal and state tax refund offset (federal: $500+ owed in non-assistance cases); Bank levy and seizure of assets; Passport denial ($2,500 or more owed); Credit reporting (over $1,000 owed); NJ Lottery intercept ($600+ winnings); Casino, sports wagering and internet gaming intercept ($40,000+ winnings); Civil awards and settlements intercept; Liens and automatic judgments; Driver's, professional, occupational and recreational license suspension; Bench warrants and court enforcement hearings.
Can a license be suspended for unpaid child support in New Jersey?
Licenses (driver's, professional, occupational, recreational) can be suspended when unpaid support equals six months of support or more, or court-ordered health coverage hasn't been provided for six months. Probation first sends a notice; you have 30 days to pay in full, show coverage, or ask in writing for a court hearing.
Can a parent go to jail for unpaid support in New Jersey?
Your Probation child support worker or a private lawyer can ask for an enforcement hearing in Family Court. The judge can order immediate payment, extra payments toward arrears, or arrest if payment isn't made. You can also file a post-judgment motion to enforce.
Is there interest on unpaid child support in New Jersey?
No interest. New Jersey has no statute adding interest to child support arrears, and the agency does not calculate interest. Unpaid support does become a judgment automatically.
More for New Jersey
Sources
- NJ Child Support Program, Enforcement page; OCSS IRG New Jersey profile
- NJ Child Support Program
- NJ Child Support: Apply
- NJ Child Support: Get Started
- NJ Child Support: FAQs
- NJ Child Support Guidelines, Appendix IX-A (amendments through June 1, 2025)
- NJ Courts Self-Help: Child Support
- NJ Courts Self-Help: FD Filing Fees
- NJ Courts Self-Help: Change a Non-Dissolution Court Order
- OCSS Intergovernmental Reference Guide - New Jersey profile
- NJ Supreme Court Order: Child Support Guidelines annual updating amendments, effective June 1, 2026
Last checked: Oct 25, 2026.