Labor Relations

The Labor Relations Services Unit develops and implements the County's labor relations goals, policies and priorities and manages the negotiations process with the employee associations/unions. Formerly a Unit of the Human Resources Department, the Labor Relations Service Unit was moved to the County Administrator's Office on July 1, 2014. Contact Number: 925-655-2068

Unrepresented employees are covered by the County's Management Resolutions and may access those documents here.

Labor OrganizationContract
Expiration Date
Total Number
of Employees1
AFSCME Local 512, Professional and Technical Employees
Side Letters
6/30/2022233
AFSCME Local 2700, United Clerical, Technical and Specialized Employees
Side Letters
6/30/20221,627
California Nurses Association
Side Letters (NONE)
9/30/20251,161
Contra Costa County Defenders Association
Side Letters 
6/30/202293
Contra Costa County Deputy District Attorneys Association
Side Letters
6/30/202293
Deputy Sheriff's Association: Management Unit, Rank and File, and Probation
Mgmt Side Letters  R&F Side Letters  Probation Side Letters
6/30/20231,039
District Attorney Investigator's Association
Side Letters 
6/30/202326
Contra Costa County Firefighters Association, IAFF, Local 1230
Side Letters (NONE)
6/30/2023374
Physicians and Dentists of Contra Costa
Side Letters 
10/31/2022302
Professional and Technical Engineers, Local 21, AFL-CIO
Side Letters 
6/30/20221,204
Public Employees Union, Local One CSB Supervisor Unit
Side Letters  CSB Supervisor Unit Side Letters
6/30/2022561
SEIU, Local 1021 Rank and File and Service Line Supervisors Units
R&F Side Letters  SLS Side Letters

SEIU, Local 2015 (IHSS) 
Side Letters (NONE)
6/30/2022


6/30/2022
888
Teamsters, Local 856
Side Letters 
6/30/20221,958
United Chief Officers' Association
Side Letters (NONE)
6/30/202313
Western Council of Engineers
Side Letters (NONE)
6/30/2026     22