Mariposa County Child Support Services

Mariposa, California

The Mariposa County Child Support Services is at 5101 Jones Street, Mariposa, CA 95338. Call the Department of Child Support Services at (866) 901-3212, the statewide line. It serves Mariposa County.

How do I contact this office?

5101 Jones Street
Mariposa, CA 95338
Mail: P.O. Box 748, Mariposa, CA 95338
Phone
(866) 901-3212 (statewide line)
TTY
(866) 399-4096
Before you go
You can visit the office to ask questions, request a review of your order, or pick up a paper application.
Email
childsupport@mariposa.cse.ca.gov
Fax
(916) 636-2617
Official page
Office page

Is this my office?

This office serves Mariposa County.

Not your area? See every California child support office.

Can I handle this without going in?

Often, yes. Many requests don't need a visit:

Going in person? Read "Before you go" above, and call first if you can.

What can I do at this office?

  • Payment kiosk in the lobby (cash, debit or credit card)

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Office details come from the official California office listing, checked October 24, 2026. Sunny Child Support is not affiliated with the Department of Child Support Services. Spot a mistake? Tell us.