How Child Support Ends in Washington: Emancipation, Termination Orders and What to File
Washington child support terminates at emancipation or the payer’s death unless the decree or a written agreement says otherwise, but withholding needs a court or agency step. Arrears stay owed with 12% interest.
Does child support end automatically in Washington?
By statute, yes, unless extended: unless otherwise agreed in writing or expressly provided in the decree, support terminates on emancipation of the child or the death of the payer (RCW 26.09.170(3)). In practice withholding continues until the court or the Division of Child Support acts, so ask in writing.
What events end child support in Washington?
| Event | What happens |
|---|---|
| Child turns 18 (no extension in the order) | Support terminates unless agreed otherwise |
| Payer dies | Support terminates unless agreed or provided otherwise |
| Parents marry each other | Support ends unless a court order provides otherwise |
| High school extension in the order | Support runs to the stated date |
| Postsecondary order | Automatically suspended while the child fails the conditions |
| Arrears remain | Judgments stay enforceable for the window |
What if the parents marry each other?
Unless expressly provided by an order of a superior court or comparable court, support terminates when the parties to a paternity or parentage order marry or register a domestic partnership to each other, or when the parties to a dissolution decree remarry each other; the remaining provisions of the order stay in effect (26.09.170(4)).
What about marriage or military service of the child?
The sections we read do not list them separately, but emancipation in fact before 18 ends the obligation to pay current support under the cases we read. Ask a licensed Washington attorney and file rather than stopping payment.
What do you file to end an order?
A motion or notice with proof of the event, or a request to the Division of Child Support if it enforces your case (26.09.170). See how to modify child support in Washington.
Do arrears stay owed after support ends?
Yes, as judgments with 12% interest (RCW 4.56.110(2)), enforceable for 10 years after the youngest child turns 18 (6.17.020(2)). Check the balance in the Washington arrears calculator and the date in the Washington child support end date calculator.
Who tells the agency about graduation?
The sections we read do not require the school to report it, so send the proof yourself and ask the Division of Child Support to confirm in writing that withholding changed.
Can an order be changed to add an end date?
Yes. One year or more after entry, an order can be modified to add an automatic adjustment clause (26.09.170(8)(c)), and you can ask the court to clarify dates; bring the decree.
What if the payer dies?
Unless the decree says otherwise, support for a child terminates on the death of the person required to pay (26.09.170(3)). Past-due support remains a claim.
What if the child is emancipated in fact before 18?
Emancipation in fact before the age of majority can end the obligation to pay current support, according to the cases we read; do not stop paying without a court order or agency confirmation.
Should I keep proof that support ended?
Yes. Keep the court order, the agency’s written confirmation and your last payment record in one place.
What mistakes cause problems when support ends?
- Stopping payments on an event without a court or agency step.
- Assuming withholding ends by itself.
- Missing that the order may extend support for high school.
- Forgetting that past-due support is still owed with interest.
Frequently asked questions
Does child support end automatically in Washington?
The statute ends it at emancipation unless extended; ask in writing to end withholding.
Does remarriage of the parents end Washington child support?
Yes, if the parents marry each other, unless a court order says otherwise.
Does the payer’s death end Washington child support?
Yes, unless agreed or provided otherwise in the decree.
Do Washington arrears stay owed after support ends?
Yes, as judgments with 12% interest.
How do I end a Washington child support order?
File a motion with proof, or ask the Division of Child Support to end withholding.
Official sources
- RCW 26.09.170: termination and extension
- RCW 26.19.090: postsecondary educational support
- RCW 6.17.020: duration of judgments
- Childers v. Childers: support based on dependency, not minority
- Washington Court of Appeals, Division One: emancipation and written agreements
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 Washington statutes, rules and court opinions, and every case turns on its own facts. Confirm how the law applies to your situation with a licensed Washington attorney.