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Paternity/Maternity Establishment | Contra Costa County Department of Child Support Services

50 Douglas Drive, Suite 100, Martinez, CA 94553-8507

Eligibility
Contra Costa resident
Required documents
Vary, call for information
Hours
Call Center: Monday-Friday, 8am - 4:45pm Lobby Hours: Monday-Friday, 8:30am - 4pm Video Chat: Monday - Friday, 8am - 4:30pm
925-268-8429
Voice·

Text

925-335-3636
Fax·

Fax

866-399-4096
Voice·

TTY/TDD

866-901-3212
Voice·

Main Number

Languages
English, Spanish and language interpreter available.
Application process
Call for information, open a client case on www.TurboCourt.com, on the CA Child Support website at www.cccdcss.us/ or by requesting a hard copy application by phone.
Fees
Services are available at no cost or minimal cost ($35 annually).
Service area
Contra Costa County
Works with parents and guardians to ensure children and families receive court-ordered financial and medical support. Services provided include, locating a parent; establishing paternity (fatherhood); establishing, modifying and enforcing a court order for child support and health insurance coverage; and enforcing spousal support orders in conjunction with child support. Website has extensive information regarding child support, including a link to open a child support case online.
Last Assured
03/08/2025
Providing organization
Contra Costa County Department of Child Support Services
Works with parents and guardians to ensure children and families receive court-ordered financial and medical support. Services provided include, locating a parent; establishing paternity (fatherhood); establishing, modifying and enforcing a court order for child support and health insurance coverage; and enforcing spousal support orders in conjunction with child support. Website has extensive information regarding child support, including a link to open a child support case online.