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Emergency Alert Storm Alert Stay Safe and Prepared: Storm Safety Tips and Power Outage Updates Read On...
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  1. Floods Happen Fast

    Storm Safety Tips and Power Outage Information

    Stay prepared for winter storms. Find information on sandbags, flooding, power outages, road closures, and community alerts. Read more...
  2. The Seal of Contra costa County California

    Missed the Board of Supervisors Meeting?

    Watch the Board of Supervisors meeting online or on Contra Costa Television Channels (CCTV): Comcast Cable 27, ATT/U-Verse 99, and Astound 32 and 1027. Read more...
  3. cesar-chavez_FINAL

    Save the Date: 29th Annual César E. Chávez Celebration

    Join us for the 29th Annual César E. Chávez Commemorative Celebration on Tuesday, April 4, 2023. Contra Costa County Board of Supervisors will honor a group of students as part of the Youth Hall of Fame Awards. Read more...
  4. Elections-News-Flash

    Orinda Union School District Ballot Measure Z Election Results

    Check results of the Orinda Union School District Ballot Measure Z Special Election. Read more...
  5. BenefitsCal newsitem

    Goodbye, MyBCW - Hello, BenefitsCal

    Contra Costa County has transitioned from MyBenefitsCalWin (MyBCW) to BenefitsCal, a new website to manage your benefits. Read more...
  6. Mount Diablo Snow

    Tips to Stay Safe in Cold Weather

    Stay safe as chilly temperatures are in the forecast for Contra Costa County. Here are tips to protect people, pets, plants, and pipes from the cold. Read more...
  7. Storm Response 2023 Disaster Recovery FAQs

    Storm Response 2023 Disaster Recovery FAQs

    Here are FAQs, emergency contacts, and resources for County residents impacted by the storms from December 31, 2022, to January 30, 2023. Check back for updates as more information becomes available. Read more...
  8. COVID-19

    Health Updates

    Contra Costa residents can get free at-home COVID test kits from Contra Costa Health (CCH) a new mail-order program. Read more...
  9. Board of Supervisors Installs New Leadership

    Board of Supervisors Installs New Leadership with Supervisor John Gioia as Chair

    The Contra Costa County Board of Supervisors held a swearing-in ceremony for Supervisor John Gioia as Board Chair and Supervisor Federal Glover as Vice Chair at its January 10, 2023 Board meeting. Read more...
  10. Contra Costa County Board of Supervisors Hold Items for Time Capsule to be Opened in 50 Years news f

    Board of Supervisors Opens 58-Year-Old Time Capsule

    A time capsule that was buried under the prior Contra Costa County Administration Building since 1964 was opened at the October 4, 2022 Board of Supervisors meeting. The Supervisors also displayed items for a new time capsule that will be opened in 2072. Read more...
  11. Delta Bridge

    Update on Sacramento-San Joaquin River Delta

    Contra Costa lies at the heart of the Bay-Delta region. The County is part of the Delta Counties Coalition, a consortium of five counties that works to give one voice to the Sacramento-San Joaquin River Delta System. Learn about the Delta tunnel project. Read more...
  12. County Seal

    Voter-Approved Measure X

    Measure X is a countywide 20-year, ½ cent sales tax approved by Contra Costa County voters on November 3, 2020. Learn about the measure, the role of the Measure X Community Advisory Board, and more. Read more...
  13. Flyer Rapid Response Virtual Info Sessions CCC 1st Thur w-link

    County Workforce Development Board Resources for Employees

    Workforce Development Board of Contra Costa County has employment resources available for those affected by the COVID-19 pandemic, including career skills training, and free Rapid Response Virtual Info Sessions. Read more...
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  1. Notices

  1. Contra Costa County Announces Long Time Deputy Attorney & Current Chief Assistant as County Counsel

    View Media Release (PDF)

  2. Recruitment for County Connection Advisory Committee

    View Media Release (PDF)

  3. Veterans’ Voices Show to Discuss Posttraumatic Stress Triggers

    View Media Release (PDF)

  4. Mobile Disaster Recovery Center Available to Residents Impacted by Winter Storms

    View Media Release (PDF)

  5. County Offices Closed on Monday, Feb. 20 in Observance of Presidents' Day

    View Media Release (PDF)

  6. Disaster Recovery Center Opening to Assist Residents Impacted by December Winter Storms

    View Media Release (PDF)
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Cesar Chavez Ceremony

Please join us on Tuesday, April 4, 2023, for the 29th Annual Cesar E. Chavez Commemorative Celebration. The Contra Costa County Board of Supervisors will honor a group of students as part of the Youth Hall of Fame Awards. See more information: https://www.contracosta.ca.gov/6039

Únase a nosotros el Martes 4 de Abril de 2023 para la 29th Celebración Conmemorativa Anual de César E. Chávez. La Junta de Supervisores del Condado de Contra Costa honrará a un grupo de estudiantes como parte de los Premios del Salón de la Fama de la Juventud. Ver más información: https://www.contracosta.ca.gov/6039

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  1. Meetings

March 2023

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  1. Wed, Mar 22

    County Planning Commission (CPC) Meeting - CANCELED
    Read More
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  1. County Statistics
  1. 55Communities 1

    Contra Costa County Communities 
    (19 Cities and 36 unincorporated communities)
     

  2. 1,165,927

    Population as of the 2020 Census

  3. 411,560 Population 1

    Households as of 2021
    American Community Survey

  1. Videos and Spotlight

  1. 45th Annual Dr. Martin Luther King, Jr. Commemoration and Humanitarian Awards
    Fifty-five years have passed since the assassination of Dr. Martin Luther King, Jr. This sobering reminder served as a backdrop to Contra Costa County's 45th Annual Commemoration of Dr. King's life and legacy.

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  1. The Seal of Contra costa County California

  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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