Jefferson County Child Support Enforcement Unit
Watertown, New York
The Jefferson County Child Support Enforcement Unit is at 250 Arsenal Street, Watertown, NY 13601. Call the office at (315) 785-3000. It serves Jefferson County.
How do I contact this office?
Human Services Building250 Arsenal Street
Watertown, NY 13601
- Phone
- (315) 785-3000
- TTY
- (866) 875-9975
- Hours
- Monday to Friday, 9:00 a.m. to 5:00 p.m.; 8:30 a.m. to 4:00 p.m. (July and August)
- Before you go
- The NYS Child Support Helpline (888-208-4485, TTY 866-875-9975) is open Monday to Friday, 8:00 a.m. to 7:00 p.m. You can also enroll online at childsupport.ny.gov without visiting an office.
- CSEWEBJefferson@dfa.state.ny.us
- Official page
- Office page
The county page lists Social Services hours of 8:30 a.m. to 5:00 p.m. (September to June).
Is this my office?
This office serves Jefferson County.
Not your area? See every New York 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 Online account.
- Pay online, by phone, or by mail: see every way to pay child support in New York.
- Ask about your case by phone at (315) 785-3000.
Going in person? Read "Before you go" above, and call first if you can.
What can I do at this office?
- Location investigation
- Paternity establishment
- Financial investigation
- Support establishment
- Support collection
Other child support offices near Watertown
- Lewis County Child Support Enforcement Unit Lowville · 25 miles away
- Oswego County Child Support Unit Mexico · 39 miles away
- St. Lawrence County Support Collection Unit Canton · 57 miles away
More help with New York child support
Office details come from the official New York office listing, checked October 18, 2026. Sunny Child Support is not affiliated with the Division of Child Support Services. Spot a mistake? Tell us.