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John F. O'Neill
3085 Veterans Memorial Hwy
Ronkonkoma, NY 11779
Phone: (631) 854-9930

Click here to find the Center serving you:  

Service Center Hours: Monday through Friday 8:00AM-3:00PM, excluding county holiday closures. Language Services available at all sitesAccess to Services in Your Language: Complaint Form

Phone: (631) 854-9930

Emergencies (After 4:30 PM & Weekends): (631) 854-9100 

If you asked for an accommodation and did not receive it contact:
ADA Compliance Officer or People with Disabilities

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Child Support Enforcement Bureau

Group of smiling children in the grass with heads together in a circleThe Division locates absent parents, establishes legal paternity for children born outside marriage, establishes/enforces child support orders and monitors collection and disbursement of child support payments. Public Assistance recipients are automatically referred by their worker. 
For the answers to frequently asked questions, please click here.

Helpful Brochures for Non-Custodial Parents (Available in both English and Spanish)

For Persons Not on Temporary Assistance:

Call 631-854-3183 or write to:
Child Support Enforcement Bureau-Intake Unit
PO Box 18030
Hauppauge, NY 11788-8830

For Persons Who Have Applied for Temporary Assistance and Who Do Not Yet Have a Child Support Order:

Call 631-854-3281

Persons who currently have support orders payable through the Suffolk Child Support Office and who are not receiving support:

All payment information call 1-800-846-0773 ( 24 hours/7 days a week)

All other questions:

Call the Child Support Customer Service HELPLINE at 1-888-208-4485, TTY# 1-866-875-9975.
Video Relay Service Information is available by clicking here.
(8:00 AM - 7:00 PM, Monday - Friday)

Persons not receiving Temporary Assistance who do not want their order of support payable through the Support Collection Unit should contact Probation Department Intake. For western Suffolk residents, call 631-853-4246. For eastern Suffolk residents, call 631-852-1939. Probation Department Intake is located at:

Probation Department - Intake Unit - 3rd floor
Cohalan Court Complex, District Court Building
400 Carleton Avenue
Central Islip, New York 11722

For information on Family Court Petitions, please visit the Probation Department's Petitions page.

More information on Child Support is also available on the website of the New York State Office of Child Support Enforcement.