Humboldt-Trinity Child Support Agency, McKinleyville Office
McKinleyville, California
The Humboldt-Trinity Child Support Agency, McKinleyville Office is at 1615 Heartwood Drive, McKinleyville, CA 95519. Call the Department of Child Support Services at (866) 901-3212, the statewide line. It serves Humboldt County.
How do I contact this office?
1615 Heartwood DriveMcKinleyville, CA 95519
- Phone
- (866) 901-3212 (statewide line)
- TTY
- (866) 399-4096
- Hours
- Monday to Friday, 9:00 a.m. to 4:00 p.m.
- dcss@co.humboldt.ca.us
- Official page
- Office page
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.
Other child support offices near McKinleyville
- Humboldt-Trinity Child Support Agency, Eureka Office Eureka · 9.7 miles away
- Del Norte County Child Support Services Crescent City · 57 miles away
- Humboldt-Trinity Child Support Agency, Weaverville Office Weaverville · 62 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.