Humboldt-Trinity Child Support Agency, Eureka Office
Eureka, California
The Humboldt-Trinity Child Support Agency, Eureka Office is at 2420 6th Street, Eureka, CA 95501. Call the Department of Child Support Services at (866) 901-3212, the statewide line. It serves Humboldt County.
How do I contact this office?
2420 6th StreetEureka, CA 95501
- Phone
- (866) 901-3212 (statewide line)
- TTY
- (866) 399-4096
- Hours
- Monday to Thursday, 9:00 a.m. to 4:00 p.m.; Friday by appointment only
- Before you go
- Public hours Monday to Thursday; Friday by appointment only. Appointments can be scheduled online.
- dcss@co.humboldt.ca.us
- Fax
- (707) 441-3288
- Official page
- Office page
Complaints and Ombudsperson: (707) 441-3226.
Is this my office?
This office serves Humboldt 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 (866) 901-3212.
Going in person? Read "Before you go" above, and call first if you can.
Other child support offices near Eureka
- Humboldt-Trinity Child Support Agency, McKinleyville Office McKinleyville · 9.7 miles away
- Humboldt-Trinity Child Support Agency, Weaverville Office Weaverville · 64 miles away
- Del Norte County Child Support Services Crescent City · 67 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.