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Antioch, CA

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  1. Welcome to

    Antioch

  2. Antioch is located on the banks of the San Joaquin River in Northern California. Just off of Highway 4, in Contra Costa County. With a population of over 100,000 people, Antioch has become the heart of Eastern Contra Costa County, offering a variety of employment, shopping and vast recreational activities.

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Water Services
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Economic Development
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  1. News

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  1. Antioch News

    City of Antioch Strengthens Executive Team with Key Appointments Across Departments

    The City of Antioch announces several executive appointments and leadership transitions across key departments, marking an important milestone in the City’s ongoing efforts to strengthen organizational capacity, operational efficiency, and ... Read on...
  2. Antioch News

    CoA Moves Forward on Drafting Inclusionary Housing Ordinance to Support Affordable Housing

    On September 16th, 2025, the Antioch City Council directed staff to prepare a draft lnclusionary Housing Ordinance (IHO) that amends the zoning regulations contained within the Antioch Municipal Code. Read on...
  3. Desalination Plant Ribbon Cutting, city council behind ribbon

    City of Antioch Celebrates Dedication of Brackish Water Desalination Plant Historic investment ensur

    The City of Antioch today hosted state and regional leaders, community members, and water experts at the dedication of its Brackish Water Desalination Plant, marking a major milestone in California’s water sustainability efforts. Read on...
  4. Zach Seal

    City of Antioch Appoints Zach Seal as New Community and Economic Development Director

    The City of Antioch is proud to announce the appointment of Zach Seal as its new Community and Economic Development Director. He will officially begin his role on October 6, 2025. Read on...
  5. Antioch News

    City of Antioch to Celebrate Grand Opening of Innovative Brackish Water Desalination Plant

    The City of Antioch is proud to announce the grand opening of its Brackish Water Desalination Plant, a landmark project that secures a sustainable water future for the community and the region. Read on...
  6. 2 Springboard Program Interns receiving awards

    City of Antioch and Community Partners Empower Next Generation Through SOAR Internships

    The City of Antioch proudly announces the launch of Cohort IV of the SOAR Internship Program, a transformative initiative providing paid, hands-on work experience for Antioch’s young adults facing barriers to employment. Read on...
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  1. Calendar

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  1. Events
  2. Meetings
  1. Events

October 2025

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There are no published events in current month.

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  1. Meetings

October 2025

S M T W T F S
28 29 30 1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31 1
  1. Mon, Oct 20

    Antioch Police Oversight Commission
  2. Thu, Oct 23

    Zoning Administrator
  1. Tue, Oct 28

    City Council
View All Events
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  1. Notices

    -

  1. Antioch News

    City of Antioch Strengthens Executive Team with Key Appointments Across Departments

    The City of Antioch announces several executive appointments and leadership transitions across key departments, marking an important milestone in the City’s ongoing efforts to strengthen organizational capacity, operational efficiency, and ... Read on...
  2. Antioch News

    CoA Moves Forward on Drafting Inclusionary Housing Ordinance to Support Affordable Housing

    On September 16th, 2025, the Antioch City Council directed staff to prepare a draft lnclusionary Housing Ordinance (IHO) that amends the zoning regulations contained within the Antioch Municipal Code. Read on...
  1. Desalination Plant Ribbon Cutting, city council behind ribbon

    City of Antioch Celebrates Dedication of Brackish Water Desalination Plant Historic investment ensur

    The City of Antioch today hosted state and regional leaders, community members, and water experts at the dedication of its Brackish Water Desalination Plant, marking a major milestone in California’s water sustainability efforts. Read on...
  2. Zach Seal

    City of Antioch Appoints Zach Seal as New Community and Economic Development Director

    The City of Antioch is proud to announce the appointment of Zach Seal as its new Community and Economic Development Director. He will officially begin his role on October 6, 2025. Read on...
View All News
/CivicAlerts.aspx

  1. Antioch California Homepage

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Contact Us

  1. City Hall
    200 H Street
    Antioch, CA
    94509-1285
    Phone: 925-779-7000

  1. Mailing Address
    P.O. Box 5007
    Antioch, CA
    94531-5007

  1. Hours
    Monday through Friday
    8 am to 5 pm

Quick Links

  1. Accessory Dwelling Units (ADUs)
  2. Building Permits & Plans
  3. Contra Costa County Library
  1. Municipal Code
  2. Water Payment Portal
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