  | Abandoned Vehicle Abatement Service Authority | |
| | Ad Hoc Arts Council Steering Committee | |
| | Alamo Municipal Advisory Council | |
| | Alamo Police Services Advisory Committee (CSA P-2B) | |
| | Alcohol and Other Drugs Advisory Board | |
| | Assessment Appeals Board | Serves as the mandated County Board of Equalization to equalize and assess the value of taxable property in the County for purposes of taxation, and to hear appeals of property assessments. |
| | Aviation Advisory Committee, Contra Costa County | Collaborates with multiple partners in aviation to ensure safe and orderly airport operation; responds to concerns of airport patrons and the local community; provides a forum to evaluate policy matters concerning the airports, and advises the BOS. |
| | Blackhawk Police Services (County Service Area P-2A) Citizens Advisory Committee | |
| | CAL-ID Remote Access Network Board | |
| | Citizens Advisory Committee - CCTA | |
| | Clerk of Board | |
| | Community Advisory Board (CAB) on Public Safety Realignment | |
| | Community Corrections Partnership (CCP) | |
| | Contra Costa Co. Local Enforcement Agency (LEA) Hearing Panel | |
| | Contra Costa County East Bay Regional Park District Liaison Committee | |
| | Contra Costa County Oversight Board (Successor Agency) | |
| | Contra Costa Fire Protection District Advisory Fire Commission | |
| | Contra Costa Health Plan Joint Conference Committee (JCC) | |
| | Contra Costa Watershed Forum | |
| | Council on Homelessness | |
| | County Planning Commission | |
| | Diablo MAC | |
| | Dougherty Valley Oversight Committee | |
| | East Contra Costa Habitat Conservancy | |
| | East Richmond Heights Municipal Advisory Council | |
| | Economic Opportunity Council | |
| | El Sobrante Municipal Advisory Council | |
| | Emergency Medical Care Committee | |
| | Family & Children's Trust Committee | |
| | First 5 Contra Costa Children and Families Commission | |
| | Fish & Wildlife Committee | |
| | Head Start Policy Council | Meetings are held the third Wednesday of the month from 6-8PM at 500 Ellinwood Way, Pleasant Hill, CA.
For more information, visit: https://ehsd.org/headstart/childcare-preschool/head-start-early-head-start-and-state-preschool/head-start-policy-council |
| | Historical Landmarks Advisory Committee | |
| | Housing Authority Board of Commissioners | |
| | Integrated Pest Management Advisory Committee | |
| | Iron Horse Corridor Management Program Advisory Committee | |
| | Juvenile Justice Commission and the Delinquency Prevention Commission | |
| | Juvenile Justice Coordinating Council | For more information, please visit: http://www.co.contra-costa.ca.us/6615/Juvenile-Justice-Coordinating-Council |
| | Keller Canyon Mitigation Fund Review Committee | |
| | Kensington Municipal Advisory Council | |
| | Knightsen Town Advisory Council | |
| | Local Enforcement Agency Independent Hearing Panel | |
| | Los Medanos Health Advisory Committee | |
| | Managed Care Commission | |
| | Measure X Community Advisory Board | |
| | Medical Services Joint Conference Committee | |
| | Mental Health Commission | Advisory Body to the Board of Supervisors on matters pertaining to mental health. |
| | North Richmond Municipal Advisory Council | |
| | Oversight Board for Successor Agencies of former Redevelopment Agencies in the County | |
| | Pleasant Hill BART Leasing Authority | |
| | Public Protection Committee | |
| | Quality Assurance Committee (QAC) | |
| | Racial Justice Oversight Body | |
| | Racial Justice Task Force | Racial Justice Task Force |
| | Sustainability Commission | View Previous Messages |
| | TRANSPLAN | |
| | Transportation Partnership and Cooperation Committee (TRANSPAC) | |
| | West Contra Costa Healthcare District | |
| | Zoning Administrator | |