Contra Costa County, CA

Government Agencies

Assessor
County Clerk
Elections Division
Employment and Human Services
Health Services
Planning
More »

Government Forms

2019-2020 Personal Property Valuation Guidelines
2022-2023 Personal Property Valuation Guidelines
Accessory Dwelling Unit (ADU) Permit Application Form
Additional Family Members Requesting Medi-Cal -MC371
Administrative Review for Bay Point, El Sobrante, North Richmond and Rodeo Planned Unit Development Areas
Admission
ADU Application Checklist Submittal
ADU-Application Processing Guidelines
ADU Application Process Type
Adult Annual Clinical Assessment Update
More »

Cities

  1. Acalanes Ridge
  2. Alhambra Valley
  3. Antioch
  4. Brentwood
  5. Castle Hill
  6. Clayton
  7. Concord
  8. Danville
  9. El Cerrito
  10. Hercules
  11. Lafayette
  12. Martinez
  13. Montalvin Manor
  14. Moraga
  15. Norris Canyon
  16. North Gate
  17. Oakley
  18. Orinda
  19. Pinole
  20. Pittsburg
  21. Pleasant Hill
  22. Reliez Valley
  23. Richmond
  24. San Miguel
  25. San Pablo
  26. San Ramon
  27. Shell Ridge
  28. Walnut Creek

Have Questions About Government Agencies or Forms in Contra Costa?
Ask An Expert For Help:

Questions and comments are moderated. Minimum of 10 characters.

All questions and comments are moderated and publicly viewable. Please do not post private or sensitive information such as names, addresses, phone numbers, emails, confidential financial and legal details.

Login or sign up to submit questions

Elected Officials

Contra Costa County Superintendent of Schools

Lynn Mackey

Nonpartisan

Websites:

Addresses:

  • 77 Santa Barbara Road
    Pleasant Hill CA 94523

Phone numbers:

  • (925) 942-3433

Emails:

Contra Costa County Clerk-Recorder

Deborah Cooper

Nonpartisan

Websites:

Addresses:

  • 555 Escobar Street
    Martinez CA 94553

Phone numbers:

  • (925) 335-7900

Contra Costa County Assessor

Gus Kramer

Nonpartisan

Websites:

Addresses:

  • 2530 Arnold Drive
    Martinez CA 94553

Phone numbers:

  • (925) 313-7400

Emails:

Contra Costa County Auditor-Controller

Robert R. Campbell

Nonpartisan

Websites:

Addresses:

  • 625 Court St. Finance Bldg
    Martinez CA 94553

Phone numbers:

  • (925) 646-2181

Emails:

Contra Costa County District Attorney

Diana Becton

Nonpartisan

Websites:

Addresses:

  • 900 Ward Street
    Martinez CA 94553

Phone numbers:

  • (925) 957-2200

Emails:

Contra Costa County Treasurer-Tax Collector

Russell Watts

Nonpartisan

Websites:

Phone numbers:

  • (925) 957-5280

Emails:

Contra Costa County Sheriff

David O. Livingston

Nonpartisan

Websites:

Addresses:

  • 651 Pine Street
    Martinez CA 94553

Phone numbers:

  • (925) 335-1500