Antioch, CA Public Records
Antioch is an incorporated city in Contra Costa County with an estimated population of 118,453 (U.S. Census Bureau, July 2024 estimate) and 29.2 square miles of land. That is up about 3,149 residents since the 2020 Census base. It was incorporated on 2/5/1872, according to the city's California Roster entry.
🏢 Antioch City Clerk
The city clerk keeps Antioch's own official records: city council agendas and minutes, ordinances and resolutions, contracts, campaign and conflict-of-interest (Form 700) filings, and responses to California Public Records Act requests. In California, the city clerk does not issue birth, death or marriage certificates or record deeds; those come from the county offices below. The address and phone shown are those the city reported to the Secretary of State; ask for the clerk's office when you call.
🏢 Antioch City Clerk
| City Clerk | Michael J. Mandy |
| City Hall address | 200 H St, Antioch, CA 94509 |
| City Hall phone | (925) 779-7000 |
| Office hours | Monday through Friday from 8:00 AM to 5:00 PM |
| cityclerk@antiochca.gov | |
| Official website | www.antiochca.gov |
| Source | 2026 California Roster, CA Secretary of State ↗ |
🏛️ County Courthouse & Records Office for Antioch
Antioch is in Contra Costa County. Court cases are handled by the county's Superior Court, and birth, death and public marriage records and recorded property documents (deeds) are kept by the County Recorder.
📍 Contra Costa County at a Glance
| County | Contra Costa County |
| County population (2024 est.) | 1,172,607 Source: www2.census.gov ↗ |
⚖️ Court Records (Non-Criminal Cases) (Superior Court of California, County of Contra Costa)
| Address | 725 Court Street (P.O. Box 911), Martinez, CA 94553 |
| Directions | Get directions ↗ |
| Phone | (925) 608-1000 |
| Hours | Monday - Friday: 8:00am - 4:00pm |
| Records available | Court case files: civil cases, probate (includes name change), criminal (filing) |
| Official website | cc-courts.org |
| Sources | cc-courts.org/…/court-records-non-criminal-cases ↗ courts.ca.gov/…/find-your-court ↗ |
| Last verified | October 16, 2026 |
📜 Contra Costa County Recorder
| Address | 555 Escobar Street, Martinez, CA 94553 |
| Directions | Get directions ↗ |
| Phone | (925) 335-7900 |
| Hours | Not stated |
| Records available | Certified copies of birth and death records (all years) and public marriage records; recorded property documents (deeds) |
| Good to know | Confidential marriage records are kept by the County Clerk. Birth and death records from the current and prior year are also available from the county health department (local registrar). |
| Official website | cccounty.us |
| Sources | cdph.ca.gov/…/county-registrars-and-recorders.aspx ↗ cdph.ca.gov/…/Obtaining-Vital-Records-From-County-Offi ↗ |
| Last verified | October 16, 2026 |
See the full Contra Costa County records page →
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