Update on County Offices and Services

Please note that because of the Public Health Order, our ability to respond may be limited and delayed. Please be patient. We will do the very best we can to provide service to you. 

See the list below for office updates and any service changes for County Departments. For the latest information, please check with the specific department or program.

Agriculture / Weights & Measures:
Agriculture/ Weights & Measures is open for County business, but public access is by appointment only. 

Phone: 925-608-6600
View Agriculture/Weights & Measures for the latest updates.

Buchanan Field and Byron Airport remain open for essential operations. Airport administration offices are open but closed to the public. Administration offices hours will be Monday – Friday, 9 am to 4 pm.
Phone: 925 681-4200
Email: airport.team@airport.cccounty.us

Airport Operations Staff will be on duty 7 days a week from 7 am to 11 pm.
Phone: 925-681-4221.
Visit Contra Costa County Airports for the latest updates.

Animal Services:
Visit Animal Services for the latest updates.
Phone: 925-608-8400
Email: asdweb@asd.cccounty.us

Assessor’s Office:
The Assessor’s Office is open for County business Monday through Friday from 8:00 am – 4:00 pm. The Assessor’s Office lobbies are closed to the public. Public Services are available online at www.contracosta.ca.gov/Assessor, by phone - Tuesday through Thursday, 8:00 am – 3:00 pm, and through the mail.
Visit Assessor’s Office for the latest updates.

The Auditor-Controller’s Office is open for County business with reduced hours but closed to the public.
Phone: 925-335-8600
Email: info@ac.ccounty.us
Visit Auditor-Controller for the latest updates.

Child Support Services:
Child Support Services is open Monday through Friday from 8:00 am – 4:30 pm. However, our lobby remains closed to the public at this time. Customers can continue to use one of these options to contact us:

Text:  925-268-8429
Phone:  1-866-901-3212
Email:  childsupport@dcss.cccounty.us.
Customer Connect:  http://www.childsup-connect.ca.gov/
Visit Child Support Services for the latest updates.

Clerk of the Board of Supervisors:
The Clerk of the Board is open Monday - Friday, from 8 am to 5 pm.

Email: During non-public hours, please email clerkoftheboard@cob.cccounty.us and a member of our staff will contact you as soon as possible.
Visit Clerk of the Board of Supervisors for the latest updates.

Clerk-Recorder/Elections Division:
The Clerk-Recorder-Elections Department remains open to provide essential services, but access to buildings and in-person services is limited. Elections hours will remain open Monday - Friday from 8 am - 5 pm. Clerk-Recorder Division hours will be open Monday - Friday from 8 am - 4:30 pm. See 12/16/2020 Press Release (PDF) for an update on services.

Phone: 925-335-7900
Email: crwebmaster@cr.cccounty.us
Visit Clerk-Recorder/Elections Division for the latest updates.

Conservation and Development (DCD):
Due to COVID-19, the Department of Conservation and Development has modified operations to protect public health. All department services are available virtually either online or by phone, but our offices are currently closed to the public. Please visit www.contracosta.ca.gov/dcd to access our services.

Phone: Permit Center 925-674-7200 or General Information 925-674-7774.
Application/Permit Email: APCplanning@dcd.cccounty.us
Visit the Department of Conservation and Development for the latest updates.

Contra Costa Health Services (CCHS):
Contra Costa County Health Services Department and its Health, Housing & Homeless Services (H3) remain operational.
Visit cchealth.org/coronavirus for the latest updates. For other Health Services, visit cchealth.org for service updates.

COVID Call Center: 1-844-729-8410 open 8 am - 5 pm, seven days a week. Assistance is available in English and Spanish.

County Administration:
County Administration is open for County business but closed to the public.
Office of Reentry and Justice is open for County business but closed to the public.
Office of Communications & Media and Contra Costa Television are open for County business and to the public. Contact us at Email: CCTV@contracostatv.org or call (925) 313-1180 for assistance.
Risk Management Office is open for County business but closed to the public.

District Attorney:
All District Attorney offices are closed to the public at this time. As of now, our phone lines remain open.

Phone: 925-957-2200.
Visit District Attorney for the latest updates.

Employment & Human Services (EHSD):
Employment & Human Services has emergency protocols in place to ensure we deliver the services our customers need, as well as some expedited services for our most vulnerable community members.

Visit Employment & Human Services for the latest updates.

Human Resources:
Human Resources offices are open with a combination of onsite and remote access, and staff are available Monday through Friday, from 8 am to 5 pm.

Phone: 925-655-2100
Visit Human Resources for the latest updates. 

Library Services:
Beginning Monday, June 15, the Library will offer Front Door Service at 24 community libraries. The service will allow patrons to pick-up books, DVDs, and audiobooks placed on hold through the Library’s website at ccclib.org.   

Visit ccclib.org to sign up for a library card and get connected to books and resources. For questions about Library services and programming or account information, contact the Library via online Chat, text questions to (925) 290-7627 or email ask@library.cccounty.us.

Probation Department:
Until further notice, Probation field offices in Antioch, Martinez, and Richmond will not be accessible beyond the public lobbies. Office appointments are not being scheduled at this time, but Deputy Probation Officers have resumed field contacts with clients and by telephone.

The West County field services office in Richmond has relocated from 1275 A. Hall Avenue to 3095 Richmond Parkway Suite 210, effective Friday, April 10. The new telephone number for this location is 510-942-3400.

Personal visitation has been suspended until further notice at the County Juvenile Hall and the Boy’s Ranch. However, essential professional visits will continue with proper health screening beforehand. A health screening tool is being implemented for individuals who are booked into custody at either of these facilities. 

Phone: 925-313-4000 
Visit Probation for the latest updates.

Public Defender:
The Office of the Public Defender in Martinez and Richmond will remain open. The juvenile office and the Alternate Defender’s Office remain closed to the public except by appointment. For a list of Public Defender FAQs, please click here

Visit Public Defender for the latest updates.
Visite Public Defender para más información.

Public Works:
Our lobby is currently closed, but all department services are available by phone, email, or appointment. Public Works staff is available to assist customers Monday – Thursday, 7 am - 5 pm, and Friday, 7 am – 4 pm, closed 12-1 on Fridays only.

Phone: 925-313-2000
Email: Public Works
Visit Public Works for the latest updates.

Sheriff’s Office:
Sheriff’s Office information: cancellation of jail visits because of coronavirus. To prevent the spread of COVID-19 into the Contra Costa County detention facilities, the Office of the Sheriff has temporarily canceled all professional, official, and social visits at the Martinez, West County, and Marsh Creek Detention Facilities. However, attorney visits will continue with access to non-contact visit rooms only. The cancellation will be reassessed as conditions change.

Visit Sheriff’s Office for the latest updates.

Superior Court:
Superior Court of California is not a County office. The Contra Costa Superior Court will reopen to the public on May 26, 2020. For specific guidelines and more information, visit Superior Court of California, Contra Costa County.

Treasurer-Tax Collector:
The Treasurer-Tax Collector’s Office is open for County business, but public access is limited. For everyone’s health and safety, visitors will need to request an appointment by calling or emailing the Office between 9:00 AM and 4:00 PM, Monday through Friday.  A drop box is available outside the Main Street entrance for property tax payments between 8:30 AM and 4:30 PM on weekdays as well.

Phone: 925-957-5280
Email: taxinfo@tax.cccounty.us
Visit Treasurer-Tax Collector for the latest updates.

Veterans Service Office:
Veterans Service is operating through their virtual office, www.contracosta.ca.gov/vets. Veterans Service is also taking limited in-person appointments only at the Martinez office.

Phone: 925-313-1481
Email: Veterans@vs.cccounty.us
Visit Veterans Service Office for the latest updates.