Westchester County Office of Child Support Services
Mount Vernon, New York
The Westchester County Office of Child Support Services is at 100 East First Street, 5th Floor, Mount Vernon, NY 10550. Call the office at (914) 813-6334. It serves Westchester County.
How do I contact this office?
100 East First Street, 5th FloorMount Vernon, NY 10550
- Phone
- (914) 813-6334
- TTY
- (866) 875-9975
- Hours
- Monday to Friday, 8:30 a.m. to 5:00 p.m. (must arrive by 4:00 p.m.)
- Before you go
- Visitors must arrive by 4:00 p.m. After applying, you are asked to come in for an interview with a child support worker.
- CSEWEBWestchester@dfa.state.ny.us
- Official page
- Office page
Is this my office?
This office serves Westchester 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 (914) 813-6334.
Going in person? Read "Before you go" above, and call first if you can.
What can I do at this office?
- Applications and interviews
- Locating absent parents
- Establishing parentage
- Support orders
- Collection
Other child support offices near Mount Vernon
- OCSS Bronx Borough Office Bronx · 7.2 miles away
- OCSS Support Services at Bronx Family Court Bronx · 7.4 miles away
- OCSS Queens Borough Office Jamaica · 14 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.