Contra Costa County California Phone Numbers and Emails

Toll-Free Number:

  • (800) 877-8339
    TTY/Voice communication

Agriculture/weights And Measures:

  • (925) 608-6600
    Ag Commissioner/Weights and Measures Director

Animal Services:

  • (925) 608-8473

Assessors Office:

  • (925) 313-7507
    Back-up PIO
  • (925) 313-7501
    County Assessor

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

Federal Information Relay Service:

  • (800) 877-8339
    TTY/Voice communication

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

Contra Costa County California Emails:

Jobs/ Career
Technical Support
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Contra Costa County California Contact Information

Contra Costa County California Online Chat:

Corporate Office Address:

Contra Costa County
1025 Escobar Street
Martinez, California 94553
United States

Other Info (opening hours):

Other Location:

651 Pine St,

Martinez, Ca 94553

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