Mendocino County Department of Child Support Services
Ukiah, California
The Mendocino County Department of Child Support Services is at 107 South State Street, Ukiah, CA 95482. Call the office at (707) 472-2800. It serves Mendocino County.
How do I contact this office?
107 South State StreetUkiah, CA 95482
Mail: P.O. Box 970, Ukiah, CA 95482
- Phone
- (707) 472-2800
- TTY
- (866) 399-4096
- Hours
- Monday to Friday, 8:00 a.m. to 5:00 p.m.
- Before you go
- Appointments are encouraged if you would like to speak with a case manager.
- css@mendocinocounty.gov
- Fax
- (707) 472-2820
- Official page
- Office page
Spanish spoken.
Is this my office?
This office serves Mendocino 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:
- Check your case and payments online in Customer Connect.
- Pay online, by phone, or by mail: see every way to pay child support in California.
- Ask about your case by phone at (707) 472-2800.
Going in person? Read "Before you go" above, and call first if you can.
What can I do at this office?
- Payments accepted in person
Other child support offices near Ukiah
- Lake County Child Support Services Kelseyville · 23 miles away
- Sonoma County Child Support Services Main Office Santa Rosa · 49 miles away
- Sonoma County Child Support Services Capricorn Location Santa Rosa · 56 miles away
More help with California child support
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.