Contact Us

Customer Self-Service

For existing customers, the following link will take you to California's self-service, child support case information system: Customer Connect.

To Reach Us By Phone:

Main 24-Hour Information Line:
(866) 901-3212

Call this number 24 hours / 7 days a week to obtain general information regarding our office and services provided. To access case specific information, please be sure to have your Social Security Number (or Participant ID) and personal identification number (PIN) ready. To speak to a Child Support Services representative, you must call Monday through Friday, between the hours of 8:00 AM - 4:45 PM

To Reach Us By Mail:

General Correspondence:
Department of Child Support Services
P.O. Box 4189
Modesto, CA 95352-4189
Payment Remittance:
State Disbursement Unit
P.O. Box 989067
West Sacramento, CA 95798-9067

To Send Us A Fax

Main Fax Line:

To Visit Our Facility

251 East Hackett Road
Modesto, CA

Our lobby is open Monday through Thursday, between the hours of 8:00 a.m. - 5:00 p.m. Obtain directions to our facility.

Office Holidays - Lobby and Live Customer Support:

(Please also see mandatory office closure dates below)

  • New Year's Day (Friday) January 01, 2021
  • Dr. Martin Luther King Jr. Day (Monday) January 18, 2021
  • President's Day (Monday) February 15, 2021
  • Memorial Day (Monday) May 31, 2021
  • Independence Day (Monday - Observed) July 05, 2021
  • Labor Day (Monday) September 06, 2021
  • Veteran's Day-Observed (Thursday) November 11, 2021
  • Thanksgiving Day (Thursday and Friday) November 25 and 26, 2021
  • Christmas Eve, 1/2 day (Friday) December 24, 2021