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Contact Us

If you already have a case with our department, you can find case specific information online through Customer Connect. You can also send us an e-mail at childsupport@css.co.san-bernardino.ca.us. We will make every effort to reply to your e-mail within three (3) working days. You will have to log back on to the website to review our response.

You can also contact us by phone and speak to a representative. The toll-free telephone number is (866) 901-3212. Live operators are on duty Monday through Friday, from 8:00 a.m. to 5:00 p.m. We provide services in English and Spanish. Services are available for our speech or hearing impaired customers through our Tele Typewriter (TTY) number: (866) 399-4096.

When you call, the automated voice response system will ask you to provide your social security number (SSN) and your personal identification number (PIN). If you do not have a PIN or do not remember your PIN, you will have to request a new one. You can request a new PIN using the automated voice response system or online at I Need a PIN. You may also be asked to provide your Participant Identification Number (ID). You can find that number on many of the letters or notices we send to you.

If you do not have a case and have questions, you can also contact us by phone using the numbers above.

Contact Information

We strive to provide you with everything you need to know about child support - whether you want to apply for services, know your rights and responsibilities, check your case information or estimate a child support obligation.

Our top priority is the well-being of children, parents, and families! We support every child’s right to financial and medical support from both parents. We strive to establish and enforce fair and equitable child support orders. You also may contact us with your comments or questions by mail, phone or email.

 Telephone, Fax and Email:

For Payment and General Information:
Telephone:  (866) 901-3212
Fax:  (909) 799-4939
Email:  csupport-mbx@css.sbcounty.gov


 Mailing Address
 Department of Child Support Services
 County of San Bernardino
 10417 Mountain View Ave.
 Loma Linda, CA 92354

 Office Locations

Business Hours (All Offices):     Mon-Fri 8 AM -5 PM

 Loma Linda Office
 Department of Child Support Services
 County of San Bernardino
 10417 Mountain View Ave.
 Loma Linda, CA 92354
 [Directions]
  Loma Linda Office
 Ontario Office
 Department of Child Support Services
 County of San Bernardino
 191 N. Vineyard Ave.
 Ontario, CA 91764-4497
 [Directions]
 title="Ontario
 Victorville Office
 Department of Child Support Services
 County of San Bernardino
 15400 Civic Drive
 Victorville, CA 92392
 [Directions]
 Victorville Office