California has 82 child support offices. Find the one for your county below, or check the official California office directory.
Not sure which office is yours? Call California child support at (866) 901-3212.
Serves: Alameda County
Hours: Monday to Friday, 8:30 a.m. to 5:00 p.m.
Visiting: The agency says you can visit the office during regular business hours. Video chat with a child support specialist is also available Monday to Friday, 8:30 a.m. to 5:00 p.m.
Satellite office
765 East Avenue, Suite 200Serves: Butte County
Hours: Monday to Friday, 8:00 a.m. to 4:00 p.m.
Serves: Butte County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m. (walk-in hours)
Visiting: Walk-in hours Monday to Friday, 8:00 a.m. to 5:00 p.m. Call center open Monday to Friday, 8:00 a.m. to 4:45 p.m.
Serves: Alpine County
Hours: By appointment; available Monday to Friday, 8:00 a.m. to 5:00 p.m., for document drop off
Visiting: Open by appointment.
Serves: Amador County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Main office of the agency.
Serves: Calaveras County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Serves: Tuolumne County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Serves: Colusa County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Serves: Yolo County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Serves: Sutter County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Serves: Contra Costa County
Hours: Monday to Friday, 8:00 a.m. to 4:30 p.m.
Visiting: Office open Monday to Friday, 8:00 a.m. to 4:30 p.m. Video chat is available during the same hours. Phones are answered until 4:45 p.m.
Serves: Del Norte County
Visiting: Closed to the public on Fridays. You can call or come in during regular business hours for help with a suspended license.
Serves: Inyo County
Hours: Monday to Friday, 8:00 a.m. to 12:00 p.m. and 1:00 p.m. to 5:00 p.m.
Visiting: Child support applications are available on a walk-in basis.
Serves: Mono County
Hours: Tuesday and Thursday, 9:00 a.m. to 12:00 p.m. and 1:00 p.m. to 4:00 p.m., or by appointment
Visiting: Open to visitors on Tuesday and Thursday during office hours; other times by appointment.
Spanish speaking caseworkers available.
Serves: El Dorado County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Appointments are available but not necessary; book through the online scheduler.
Email is for people without an existing case.
Satellite office
3368 Lake Tahoe Boulevard, Suite 203Serves: El Dorado County
Hours: Mondays and Thursdays, 8:00 a.m. to 5:00 p.m. (since July 1, 2026)
Visiting: Appointments are available but not necessary; book through the online scheduler.
Serves: Fresno County
Hours: Tuesday, Wednesday, and Thursday, 8:30 a.m. to 3:00 p.m.
Visiting: Lobby open to customers Tuesday to Thursday. Appointments are scheduled by a caseworker as needed.
Suite 310 Upper, downtown Fresno on Tulare Street between L and M streets.
Serves: Glenn County
Serves: Humboldt County
Hours: Monday to Thursday, 9:00 a.m. to 4:00 p.m.; Friday by appointment only
Visiting: Public hours Monday to Thursday; Friday by appointment only. Appointments can be scheduled online.
Complaints and Ombudsperson: (707) 441-3226.
Serves: Humboldt County
Hours: Monday to Friday, 9:00 a.m. to 4:00 p.m.
Serves: Trinity County
Hours: Monday to Friday, 8:00 a.m. to 12:00 p.m. and 1:00 p.m. to 5:00 p.m.
Serves: Imperial County
Hours: Monday to Friday, 7:30 a.m. to 4:30 p.m.
Serves: Kern County
Visiting: Appointments can be scheduled online.
A mobile office visit can be requested online.
Satellite office
455 Lexington StreetServes: Kern County
Visiting: Appointments can be scheduled online.
Satellite office
400 North China Lake BoulevardServes: Kern County
Visiting: Appointments can be scheduled online.
Serves: Kings County
Hours: Monday to Thursday, 8:00 a.m. to 5:00 p.m.; Friday, 8:00 a.m. to 12:00 p.m.
Second floor. Legal document service for attorneys: DCSSLegalDoc@co.kings.ca.us.
Serves: Lake County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Serves: Lassen County
Hours: Monday to Friday, 8:30 a.m. to 11:45 a.m. and 1:00 p.m. to 4:45 p.m.
Serves: Los Angeles County
Hours: Business hours 8:00 a.m. to 5:00 p.m.
Visiting: In-office appointments and appointments by phone can be booked from the agency's locations page. The agency says you can enroll, request a modification review, enter a stipulation, and make payments in person at its public offices.
Serves: Los Angeles County
Hours: Business hours 8:00 a.m. to 5:00 p.m.
Visiting: In-office appointments and appointments by phone can be booked from the agency's locations page. The agency says you can enroll, request a modification review, enter a stipulation, and make payments in person at its public offices.
Serves: Los Angeles County
Hours: Business hours 8:00 a.m. to 5:00 p.m.
Visiting: In-office appointments and appointments by phone can be booked from the agency's locations page. The agency says you can enroll, request a modification review, enter a stipulation, and make payments in person at its public offices.
Serves: Los Angeles County
Hours: Business hours 8:00 a.m. to 5:00 p.m.
Visiting: In-office appointments and appointments by phone can be booked from the agency's locations page. The agency says you can enroll, request a modification review, enter a stipulation, and make payments in person at its public offices.
The former Torrance office closed permanently on January 16, 2026, and the agency directs its visitors to this office.
Serves: Los Angeles County
Hours: Business hours 8:00 a.m. to 5:00 p.m.
Visiting: In-office appointments and appointments by phone can be booked from the agency's locations page. The agency says you can enroll, request a modification review, enter a stipulation, and make payments in person at its public offices.
Serves: Madera County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: The agency says you can request a paper application in person at the office.
Serves: Marin County
Hours: Lobby open Monday to Friday, 8:30 a.m. to 4:00 p.m.; appointments Monday to Friday, 8:30 a.m. to 3:30 p.m.
Visiting: The lobby is open to the public on weekdays. The agency encourages phone appointments whenever possible; call or email to set one up.
Serves: Mariposa County
Serves: Mendocino County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Appointments are encouraged if you would like to speak with a case manager.
Spanish spoken.
Serves: Merced County
Hours: Monday, Tuesday, Thursday and Friday, 8:00 a.m. to 5:00 p.m.; Wednesday, 9:00 a.m. to 5:00 p.m.
Visiting: The office provides full services to the public. Paperwork can be left in the drop box outside the lobby entrance doors. Services are also offered by phone, email, text messaging and video conferencing.
Serves: Monterey County
Hours: Monday to Friday, 7:00 a.m. to 5:00 p.m.
TTY 866-399-4096.
Serves: Napa County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Staff meet with families in person at the office, by phone, or online (email, Zoom, Teams). Video chat with a caseworker is also offered.
Serves: Orange County
Hours: Monday to Friday, 7:00 a.m. to 4:30 p.m. (cashiers open until 5:00 p.m.); also open on select Saturdays
Visiting: In-person appointments are available to discuss your case at the office. Forms workshops are offered in person or by virtual appointment.
The email address is for new customers without an open case.
Serves: Placer County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Caseworkers are available in the office and through their direct email and phone lines throughout the week.
Satellite office
5225 North Lake BoulevardServes: Placer County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.; closed during lunch and on alternating Fridays
Visiting: The agency asks you to call to confirm availability before visiting.
Serves: Plumas County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Satellite office
260 North BroadwayServes: Riverside County
Hours: Interview hours Monday to Friday, 8:00 a.m. to 5:00 p.m.; local cash payments Monday to Friday, 7:30 a.m. to 5:00 p.m.
Visiting: In-person and Microsoft Teams video appointments can be reserved on the agency's website.
Satellite office
47950 Arabia StreetServes: Riverside County
Hours: Interview hours Monday to Friday, 8:00 a.m. to 5:00 p.m.; local cash payments Monday to Friday, 7:30 a.m. to 5:00 p.m.
Visiting: In-person and Microsoft Teams video appointments can be reserved on the agency's website.
Serves: Riverside County
Hours: Interview hours Monday to Friday, 8:00 a.m. to 5:00 p.m.; local cash payments Monday to Friday, 7:30 a.m. to 5:00 p.m.
Visiting: In-person and Microsoft Teams video appointments can be reserved on the agency's website.
Main office. Mailing address: 2041 Iowa Avenue, Riverside, CA 92507.
Serves: Sacramento County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: You can visit the office to request an enrollment package, return completed forms in person, or review a stipulation (bring photo identification and recent pay stubs).
Serves: San Bernardino County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Appointments to speak with a specialist can be scheduled through QLess.
Serves: San Bernardino County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Appointments to speak with a specialist can be scheduled through QLess.
Serves: San Bernardino County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Appointments to speak with a specialist can be scheduled through QLess.
Serves: San Diego County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Video chat available Monday to Friday, 7:30 a.m. to 5:00 p.m., or schedule a Zoom appointment.
Serves: San Diego County
Hours: Monday to Friday, 7:30 a.m. to 5:00 p.m.
Visiting: Video chat available Monday to Friday, 7:30 a.m. to 5:00 p.m., or schedule a Zoom appointment.
Serves: San Diego County
Hours: Monday to Friday, 7:30 a.m. to 5:00 p.m.
Visiting: Video chat available Monday to Friday, 7:30 a.m. to 5:00 p.m., or schedule a Zoom appointment.
Satellite office
170 Otis Street, 1st FloorServes: San Francisco County
Hours: Wednesday and Thursday, 8:00 a.m. to 5:00 p.m.
Visiting: No appointment is needed.
Satellite office
400 McAllister Street, Room 423Serves: San Francisco County
Hours: Tuesday, 9:00 a.m. to 4:00 p.m.
Visiting: No appointment is needed.
Serves: San Francisco County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Drop-ins welcome. No appointment is needed.
Satellite office
400 E. Main StreetServes: San Joaquin County
Call before visiting.
Serves: San Joaquin County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Appointments can be made online.
Child support participants can request a voucher for one free hour at Parking Lot F, 13 S. Sutter Street.
Serves: San Luis Obispo County
The office moved to this address in June 2026.
Serves: San Mateo County
Hours: Lobby Monday to Thursday, 9:00 a.m. to 4:00 p.m. Lobby closed Friday (call center open 8:00 a.m. to 4:45 p.m., closed 12:00 to 1:00 p.m.).
Visiting: Lobby open for in-person drop-ins and appointments Monday to Thursday.
Serves: Santa Barbara County
Serves: Santa Barbara County
Serves: Santa Clara County
Serves: San Benito County
Hours: Monday to Friday, 8:30 a.m. to 4:00 p.m. (closed 12:00 p.m. to 1:00 p.m.)
Call to confirm. Served by the same agency as Santa Cruz County.
Serves: Santa Cruz County
Hours: Monday to Friday, 8:30 a.m. to 4:30 p.m.
Call to confirm.
Serves: Shasta County
Satellite office
Nevada City CourthouseServes: Nevada County, Sierra County
Hours: Monday and Thursday, 8:00 a.m. to 4:00 p.m. (closed 12:00 p.m. to 1:00 p.m.); Wednesday, 1:30 p.m. to 4:00 p.m.
Visiting: Walk-in services with limited hours. Not available on Tuesday or Friday.
Serves: Nevada County, Sierra County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: Walk in; no appointment is necessary. The lobby is shared with the Department of Social Services, on the left side of the building on the first floor.
Closed the third Tuesday of each month from 8:00 a.m. to 11:00 a.m. for an all staff meeting. Also serves Sierra County.
Serves: Modoc County
Hours: Monday to Friday, 8:15 a.m. to 4:15 p.m.
Enter from the alley.
Serves: Siskiyou County
Hours: Monday to Thursday, 8:00 a.m. to 5:00 p.m.; Friday, 8:00 a.m. to 12:00 p.m. and 1:00 p.m. to 5:00 p.m.
Main office of the regional agency.
Serves: Solano County
Hours: Monday to Friday, 9:00 a.m. to 4:00 p.m. (caseworkers). Lobby self-service kiosk and drop box 8:00 a.m. to 5:00 p.m.
Satellite office
2227 Capricorn Way, Suite 100Serves: Sonoma County
Hours: Monday to Thursday, 8:00 a.m. to 5:00 p.m.
Serves: Sonoma County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Satellite office
5350 Old Redwood Highway North, Suite 100Serves: Sonoma County
Hours: Thursday, 8:30 a.m. to 4:00 p.m.
Satellite office
19080 Lomita AveServes: Sonoma County
Hours: Wednesday, by appointment only
Visiting: By appointment only. Call (707) 565-4010.
Serves: Stanislaus County
Hours: Lobby Monday to Thursday, 7:00 a.m. to 6:00 p.m. Phones Monday to Friday, 8:00 a.m. to 4:45 p.m.
Serves: Tehama County
Hours: Monday to Friday, 8:00 a.m. to 12:00 p.m. and 1:00 p.m. to 5:00 p.m.
Serves: Tulare County
Serves: Tulare County
Serves: Ventura County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m.
Visiting: A Virtual Walk-In Lobby pilot offers remote help Wednesday to Friday, 8:30 a.m. to 4:00 p.m.
The agency also provides services at offsite locations around the county.
Serves: Yuba County
Hours: Monday to Friday, 8:00 a.m. to 5:00 p.m. (closed 12:00 to 1:00 p.m.). Phones Monday to Friday, 8:00 a.m. to 4:45 p.m.
Payments are no longer accepted at the reception window.
Each office serves specific counties. Search for yours above to find its office.If you are not sure where your case is handled, call (866) 901-3212 and they can point you to the right office.
Usually not. Most questions can be handled by phone or online, and many offices see visitors by appointment. Call ahead before visiting to confirm hours and whether you need an appointment.
Run by Department of Child Support Services
Our California child support guide covers payments, checking your case, and more.
Our free California child support calculator walks through the state guideline and gives an instant estimate.
Office details come from official California government sources (childsupport.ca.gov) and were last checked October 18, 2026. Each office links to its official listing. Sunny Child Support is not affiliated with any government agency.