If you kept paying child support after your obligation ended in Arizona, you can ask the court to give that money back. The path for child support overpayment reimbursement in Arizona is set out in ARS 25-527: you file a request for reimbursement with the clerk of the Superior Court within 24 months after your support obligation terminated, and if the court agrees an overpayment occurred, it enters a civil judgment in your favor.1Arizona Legislature. Arizona Code 25-527 – Child Support; Overpayment; Reimbursement Miss the 24-month window and you likely lose the right to recover those funds entirely.
When the 24-Month Clock Starts
The clock starts on the date your support obligation legally ended, not the date you noticed the overpayment or the date your employer finally stopped the deduction. Getting that date right controls your entire timeline.
Arizona ends child support when the child turns 18. If the child turns 18 while still attending high school or a certified high school equivalency program, support continues until the child graduates or turns 19, whichever comes first.2Arizona Legislature. Arizona Code 25-320 – Child Support; Factors; Methods of Payment; Additional Enforcement Provisions; Definitions If support ended through a modification or termination order, the effective date in that order is your termination date.
One boundary worth knowing: a court can order support to continue past 18 with no age cap if the child has a severe mental or physical disability that began before the age of majority and prevents independent living.2Arizona Legislature. Arizona Code 25-320 – Child Support; Factors; Methods of Payment; Additional Enforcement Provisions; Definitions If that order is in place, payments made after the child turns 18 are not overpayments and a reimbursement petition will fail.
Do You Actually Have an Overpayment?
Most overpayments come from one of three situations.
The most common is an Income Withholding Order that nobody stopped. When your child aged out of support, the withholding order telling your employer to deduct from each paycheck usually did not shut off on its own. Some orders issued after January 1, 2005 include an automatic stop date, but many do not.3Mohave County Superior Court. Petition to Stop the Income Withholding Order Without Agreement Without a filing to end it, your employer kept deducting and the money kept flowing.
A custody change creates the same problem in reverse. If you took over primary care of the child, the original support order stayed in force until someone petitioned to modify or terminate it. Payments made in the gap between the real-world custody switch and the new court order add up.
Modifications can also produce overpayments. If your support amount dropped from $1,200 to $800 but payroll took months to catch up, each extra $400 is an overpayment. Arizona does not allow retroactive modifications before the date you filed your petition, so the overpayment calculation starts from the first day of the month after filing.4Arizona Legislature. Arizona Code 25-503 – Order for Support; Methods of Payment; Modification; Termination; Statute of Limitations; Judgment on Arrearages; Notice; Security
Documentation to Pull Before You File
The court needs proof of what you were required to pay, what you actually paid, and the event that ended your obligation.
- Your original child support order and every modification order that changed the amount or terms.
- A complete payment history from the Arizona Support Payment Clearinghouse, which processes all court-ordered payments. This is the record the court trusts most.5Arizona Judicial Branch. Child Support Resources – Section: About Making Child Support Payments
- Pay stubs showing the deductions and bank statements confirming the amounts leaving your account.
- Proof the obligation ended: the child’s birth certificate, a diploma or graduation record, the modification or termination order, or the order formalizing a custody change.
Filing the Request for Reimbursement
File with the clerk of the Superior Court.1Arizona Legislature. Arizona Code 25-527 – Child Support; Overpayment; Reimbursement As of late 2024, the filing fee for a post-adjudication family law petition is $102.6Arizona Judicial Branch. Superior Court Filing Fees You then have to formally serve the other parent with the petition and supporting documents. Arizona accepts service through the sheriff’s department, a licensed process server, a local constable, or other methods the court approves.7AZ Court Help. Child Support Procedures for Filing in Arizona Superior Court – Section: Serve the Other Parent
Do not try to self-help. You cannot reduce or stop current support payments to offset what you believe you are owed, even when the math is obvious. Unilaterally adjusting payments violates the existing order and risks a contempt finding that undermines the case you are building.
The Arrearage Prerequisite
Before the court will enter a reimbursement judgment, you must have fully paid any arrearages and interest on arrearages you owe.1Arizona Legislature. Arizona Code 25-527 – Child Support; Overpayment; Reimbursement This catches parents who assumed overpayments would simply cancel out any back support. They do not. The court treats them as separate issues, and your overpayment claim waits until any arrearage balance on this case or a related obligation is cleared.
What the Judgment Actually Gets You
A reimbursement judgment is not the same tool as a support order, and the difference shapes how you collect.
The other parent pays you directly. The statute specifically says the judgment is not paid through the clerk of the court or the Support Payment Clearinghouse.1Arizona Legislature. Arizona Code 25-527 – Child Support; Overpayment; Reimbursement No automatic payroll deduction, no government collection working on your behalf.
The judgment is also explicitly not a support judgment. It is enforceable only as a regular civil judgment.1Arizona Legislature. Arizona Code 25-527 – Child Support; Overpayment; Reimbursement Support judgments in Arizona carry wage garnishment through Income Withholding Orders, tax refund intercepts, license suspensions, and possible jail time for contempt. A civil judgment has none of those. If the other parent does not pay voluntarily, you are in standard civil collection territory: recording a judgment lien on property, requesting a garnishment order through the civil courts, and so on.
Payments Made Outside the Clearinghouse
Arizona law says child support paid directly to the other parent, rather than through the Support Payment Clearinghouse, does not count toward your obligation unless the direct payments were ordered by the court or made under a written agreement between the parties.8Arizona Legislature. Arizona Code 46-441 That rule cuts against overpayment claims too.
Cash handed over, Venmo transfers, personal checks written outside the Clearinghouse system: the court has no official record of them, and the statute gives you little to stand on. While you prepare your petition and from here forward, route every dollar through the Clearinghouse and keep your own records as backup.
Stop the Withholding Order at the Same Time
Reimbursement recovers what has already been overpaid. It does nothing about what will keep leaving your paycheck next week. If an Income Withholding Order is still in your employer’s hands, deductions continue regardless of whether your obligation has ended. File a separate petition to stop the withholding order, and do it at the same time you file for reimbursement or earlier.3Mohave County Superior Court. Petition to Stop the Income Withholding Order Without Agreement Every additional paycheck garnished after your obligation ends is more money you will have to chase.
Check your existing withholding order for an automatic termination date. If one is listed and correct, your employer should stop deductions on that date. Confirm with payroll rather than assuming they noticed.