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  1. County Elections Banner Graphic

    Your Voice: Your Choice

    Click here for unofficial results for November 5, 2024, General Election including results from Vote By Mail ballots received by Election Day, in-person ballots from Regional Early Voting Sites, and in-person ballots from some polling places.

  2. The Board of Supervisors will honor the Port Chicago 50 and their families at the annual Veterans Day ceremony at 11 a.m., on Tuesday, Nov. 5, in the Board Chambers at 1025 Escobar St., in Martinez, C

    2024 Veterans Day Celebration

    The Board of Supervisors honored the Port Chicago sailors and their families at the annual Veterans Day ceremony.

Board & Committee Agendas
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County information

  1. News & Updates

    We want to ensure you have all the news & announcements

  1. Contra Costa County seal with umbrella, rain, and text Storm Safety

    Storm Safety Tips

    Posted on November 19, 2024

    Stay prepared for winter storms. Find information on sandbags, flooding, power outages, road closure... Read more...
  2. 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...
  3. Elections

    2024 Elections: November 5 General Election

    Posted on November 5, 2024

    Click here for unofficial results of the November 5, 2024 General Election. Read more...
  4. Elections new one

    Certified Election Observer Program

    Posted on May 7, 2024

    Want to see how we protect your vote? Anyone can watch election activities happen in real time, incl... Read more...
  5. 2024-Veterans-campaign-artwork_450x450

    2024 Veterans Day Celebration

    Posted on October 9, 2024

    Contra Costa County Board of Supervisors paid tribute to the Port Chicago sailors at this year’s Vet... Read more...
  6. Government Speak Podcast Logo

    Government Speak: A Contra Costa County Podcast

    Posted on October 30, 2024

    Contra Costa County’s Office of Communications & Media is excited to share the latest episode of... Read more...
  7. County Meeting Agendas

    County Meeting Agendas

    Posted on September 24, 2024

    Starting October 1, meeting agendas previously found on the Public Meetings Agenda Center will be po... Read more...
  8. Contra Costa Health logo

    County Launches Expanded Basic Health Care Coverage for Residents who are Uninsured and Undocumented

    Posted on September 6, 2024

    Contra Costa Health is now offering affordable health care coverage to uninsured county residents wh... Read more...
  9. Sustainability

    Sustainability Resources & Residential Incentives

    Posted on May 23, 2024

    Contra Costa County residents and business owners can take advantage of local, state, and federal in... Read more...
  10. Bike to Work

    Bike to Wherever Days

    Posted on May 15, 2024

    Pull out your bike, pump up the tires, strap on your helmet, and leave your car in the garage! Read more...
  11. 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...
  12. 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...
  13. EHSD photo

    County Awarded Grants for Head Start Programs

    Posted on August 29, 2024

    Contra County receives $29.7M grant to offer affordable care for 1,634 infants, toddlers, and presch... Read more...
  14. 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...
  15. Measure X Youth Centers Implementation Plan

    Implementation Plan for Measure X-Funded Youth Centers

    Posted on August 13, 2024

    The Implementation Plan for Measure X-Funded Youth Centers has been accepted by the Board of Supervi...
  16. 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...
  17. Back-Pack drive

    Eighth Annual Backpack and School Supply Giveaway

    Posted on June 14, 2024

    Contra Costa County Department of Child Support Services held its Eighth Annual Backpack and School ... Read more...
  18. Contra Costa Resilient Shoreline Plan

    County Receives Nearly $1.5 million for Contra Costa Resilient Shoreline Plan

    Posted on June 7, 2024

    Contra Costa County has received nearly $1.5 million from California Ocean Protection Council’s Sena... View Media Release (PDF)
  19. 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...
  20. 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...
  21. 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...
  22. 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...
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. Dec 2
  2. Zoning Administrator Meeting

    Zoning Administrator MeetingRead On
  1. Dec 3
  2. Board of Supervisors Meeting

    Board of Supervisors MeetingRead On
  1. Dec 11
  2. County Planning Commission (CPC) Meeting

    County Planning Commission (CPC) MeetingRead On
  3. El Sobrante Municipal Advisory Council (ESMAC) regular meeting

    El Sobrante Municipal Advisory Council (ESMAC) regular meetingRead On
  1. Dec 17
  2. Board of Supervisors Meeting

    Board of Supervisors MeetingRead On
  1. Dec 18
  2. East Richmond Heights Municipal Advisory Council (ERHMAC) regular meeting

    East Richmond Heights Municipal Advisory Council (ERHMAC) regular meetingRead On
/Calendar.aspx

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  1. Contra Costa County CA Homepage

  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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