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  1. County Elections Banner Graphic

    Election Results

    Get the official results of the March 5, 2024 Primary Election from the Contra Costa Elections Division.
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County information

  1. News & Updates

    We want to ensure you have all the news & announcements

  1. Bike to Work

    Bike to Wherever Days 2024

    Posted on May 15, 2024

    Pull out your bike, pump up the tires, strap on your helmet, and leave your car in the garage! May i... Read more...
  2. 2023 Asian American Native Hawaiian Celebration in Contra Costa County

    2nd Annual AANHPI Celebration

    Posted on February 29, 2024

    Contra Costa County Board of Supervisors honored the 2nd Annual Asian American, Native Hawaiian, and... Read more...
  3. Contra Costa County Focus Spring Cover 2024

    Contra Costa FOCUS Newsletter

    Posted on May 13, 2024

    Explore the Spring edition of the Contra Costa FOCUS newsletter for an in-depth look at the evolving... Read more...
  4. Government Speak Podcast Logo

    Government Speak: A Contra Costa County Podcast

    Posted on May 9, 2024

    Contra Costa County’s Office of Communications & Media is excited to share the latest episode of... Read more...
  5. Inside Public Works

    "Inside Public Works" show on CCTV

    Posted on April 26, 2024

    Watch “Inside Public Works”, a program that offers viewers an opportunity to learn about how our Pu... Read more...
  6. Elections new one

    Certifed Election Observer Program

    Posted on May 7, 2024

    Contra Costa Elections department kicked off the fourth class of the Certified Election Observer pro... Read more...
  7. Animal Services Director Ben Winkleblack

    Board of Supervisors Appoints New Animal Services Director

    Posted on April 23, 2024

    The Board of Supervisors has selected Ben Winkleblack as the next Animal Services Director. His star... Read more...
  8. 2024 2025 Contra Costa County Budget Photo

    Special Meeting Held for FY24-25 Recommended Budget

    Posted on April 23, 2024

    As part of its ongoing efforts to provide services that improve the quality of life for residents, t... Read more...
  9. Naturalization Ceremony in Contra Costa County Board Chambers

    1st Naturalization Ceremony for Contra Costa County

    Posted on March 19, 2024

    March 18th, marked a momentous occasion as 31 individuals from 17 different nations took a significa... Read more...
  10. Envision Contra Costa 2040 450x450

    Envision Contra Costa 2040

    Posted on March 20, 2024

    Draft Contra Costa County 2045 General Plan and Draft Climate Action Plan (CAP) 2024 Update are Read... Read more...
  11. I voted

    2024 Elections: March 5th Presidential Primary

    Posted on March 5, 2024

    Get the official results of the March 5, 2024 Primary Election from the Contra Costa Elections Divis... Read more...
  12. 2024 Contra Costa County Cesar Chavez Celebration

    30th Annual César E. Chávez Ceremony

    Posted on February 1, 2024

    The Contra Costa County Board of Supervisors honored César E. Chávez in a celebration recognizing hi... Read more...
  13. Ready Contra Costa

    Ready Contra Costa/ Listos Contra Costa

    Posted on September 5, 2023

    Preparing before, during, and after extreme weather conditions is essential. Make a family communica... Read more...
  14. Jeremiah

    Probation Success Story: Jeremiah

    Posted on February 20, 2024

    Contra Costa County’s Probation Department is making a difference in our youth. Watch how Jeremiah f... Read more...
  15. Black History Month

    Black History Month

    Posted on February 7, 2024

    Black History Month serves as a powerful reminder of the ongoing journey toward equality and justice... Read more...
  16. Anytime Anywhere Anyplace Contra Costa Health Logo

    Contra Costa County Residents Can Access Behavioral Health Crisis Care 24/7

    Posted on January 5, 2024

    A3 is an innovative approach to providing timely and appropriate behavioral health crisis services ... Read more...
  17. MLK Ceremony 2024

    46th Annual Dr. Martin Luther King, Jr. Ceremony

    Posted on January 16, 2023

    Contra Costa County Board of Supervisors thanks everyone who attended the 46th annual tribute to Dr.... Read more...
  18. Hercules Public Library

    Contra Costa County receives $15 million for EV chargers

    Posted on January 12, 2024

    Contra Costa County receives $15 million for EV chargers! The Charging and Fueling Infrastructure Pr... Read more...
  19. 2024 County Supervisors Leadership

    Board of Supervisors Installs New Leadership

    Posted on January 9, 2024

    Supervisor Federal D. Glover has been sworn in as Chair, and Supervisor Candace Andersen as Vice-Cha... Read more...
  20. Dan Mierzwa Takes Oath of Office at Finance Building

    Dan Mierzwa Sworn in as County Treasurer-Tax Collector

    Posted on January 4, 2024

    Dan Mierzwa has been sworn in as Contra Costa County Treasurer-Tax Collector. Contra Costa County Cl... Read more...
  21. Bike giveaway 2

    Contra Costa County Bike Giveaway

    Posted on December 22, 2023

    Contra Costa Library and Child Support Services teamed up with the Bay Area Bike Project to bring ex... Read more...
  22. Requesting Services from CCCPWD

    Contra Costa Public Works Offers New Ways to Request Services

    Posted on April 18, 2023

    Public Works is proud to announce that their customers, in unincorporated Contra Costa County, have ... Read more...
  23. Supervisor Federal Glover

    Supervisor Federal Glover Announces Planned Retirement from Contra Costa County Board of Supervisors

    Posted on December 4, 2023

    Supervisor Federal Glover has announced that he will not seek reelection in 2024, thus ending six co... Read more...
  24. Supervisors with Office of Racial Equity and Social Justice Co-Directors Peter Kim and Kendra Carr

    Supervisors Appoint Two Co-Directors to Lead Office of Racial Equity and Social Justice

    Posted on October 3, 2023

    The Board of Supervisors appointed Kendra Carr and Peter Kim as Co-Directors of the new Office of Ra... Read more...
  25. Measure X Community Fiscal Committee Graphic

    Serve on the Measure X Community Fiscal Oversight Committee

    Posted on September 18, 2023

    Would you like to serve on the Measure X Community Fiscal Oversight Committee? The Committee is resp... Read more...
  26. Contra Costa County Administration Building

    Parking and Access to County Administration Building

    Posted on March 24, 2022

    If you wish to conduct County business and/or attend Board of Supervisors meetings, please make sure... Read more...
  27. Contra Costa County Seal

    Voter-Approved Measure X

    Posted on February 24, 2022

    Measure X is a countywide 20-year, ½ cent sales tax approved by Contra Costa County voters on Novemb... Read more...
View All News
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Contra Costa

  1. Event Calendar

    Mark your calendar, we have an event for everyone

View all calendar events

  1. May 20

  2. Zoning Administrator Meeting

    Zoning Administrator MeetingRead On
  1. May 21

  2. Board of Supervisors Meeting

    Board of Supervisors MeetingRead On
  1. May 22

  2. County Planning Commission (CPC) Meeting

    County Planning Commission (CPC) MeetingRead On
  1. May 28

  2. Kensington Municipal Advisory Council (KMAC) regular meeting

    Kensington Municipal Advisory Council (KMAC) regular meetingRead On
  1. Jun 3

  2. Zoning Administrator Meeting

    Zoning Administrator MeetingRead On
/Calendar.aspx

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  1. Contra Costa County CA Homepage

Contact Us

  1. Contact Us: Public Information Contacts  Media Inquiries  Contact Webmaster
      
    County Administration Building:   
    1025 Escobar Street, Martinez, CA 94553
    1st Floor:  Clerk of the Board 
    2nd Floor:  Human Resources 
    3rd Floor:  County Counsel 
    4th Floor:  County Administration

    For all other County departments and offices, see their web pages.

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