Seattle Child Support Office
Seattle, Washington
The Seattle Child Support Office is at 500 1st Ave S, Suite 101, Seattle, WA 98104. Call the office at (800) 526-8658. It serves King County.
How do I contact this office?
500 1st Ave S, Suite 101Seattle, WA 98104
Mail: Division of Child Support, P.O. Box 11520, Tacoma, WA 98411
- Phone
- (800) 526-8658
- TTY
- (800) 833-6384
- Hours
- Monday to Friday, 8:00 a.m. to 5:00 p.m.
- Before you go
- Bring your case number if you know it and any paperwork from DCS you need to discuss. In-office child support payments are currently suspended.
- seattle-dcs@dshs.wa.gov
- Fax
- (866) 668-9518
- Official page
- Office page
Is this my office?
This office serves King County.
Not your area? See every Washington child support office.
Can I handle this without going in?
Often, yes. Many requests don't need a visit:
- Check your case and payments online in DCS Online.
- Pay online, by phone, or by mail: see every way to pay child support in Washington.
- Ask about your case by phone at (800) 526-8658.
Going in person? Read "Before you go" above, and call first if you can.
What should I bring?
The agency asks you to bring:
- Your case number, if you know it
- Any paperwork you received from DCS that you need to discuss
Other child support offices near Seattle
- Child Support at North Seattle College Opportunity Center for Employment and Education Seattle · 6.9 miles away
- Sky Valley Child Support Outstation Office Monroe · 25 miles away
- Tacoma Child Support Office Tacoma · 25 miles away
More help with Washington child support
Office details come from the official Washington office listing, checked October 24, 2026. Sunny Child Support is not affiliated with the Division of Child Support (DSHS Economic Services Administration). Spot a mistake? Tell us.