Contact Contra Costa County California Customer Service

Auditor-Controllers Office:

• (925) 335-8600
  Auditor-Controller

Child Support Services:

• (925) 313-4401

Clerk Recorders Office And Elections Division:

• (925) 335-7919
  Clerk-Recorders Office
• (925) 335-7899
  County Clerk-Recorder
• (925) 335-7808
  Elections Office

Conservation And Development:

• (925) 674-7200

Contra Costa County Fire Protection District:

• (925) 941-3300 ext 1203

Contra Costa Health Services:

• (925) 723-2939

County Administration:

• (925) 313-1180

District Attorneys Office:

• (925) 957-8638

Employment And Human Services (Social Services Dept.:

• (925) 608-4808

Human Resources:

• (925) 335-1700

Library-Administration:

• (925) 608-7713

Probation:

• (925) 313-4188
  Chief

Public Defender:

• (925) 335-8035

Public Works:

• (925) 313-2115

Sheriffs Office:

• (925) 313-2643

Treasurer-Tax Collectors Office:

• (925) 957-5280
  Treasurer-Tax Collector

Veterans Services:

• (925) 313-1481
  Veterans Service Officer

• (925) 681-4205
  Director of Airports