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Social Security Offices in Antioch, California

1 office ยท Contra Costa County

Antioch has one Social Security field office, in Contra Costa County. It serves the city and the surrounding area, the closest office for 10 nearby communities, and is one of California's 124 field offices. Its address, hours, phone number, and directions are below.

office in city
1
communities served
10
people in service area
233K
county
Contra Costa County
to next-nearest city
12 mi

The Antioch office on the map

1 location, Social Security offices in Antioch. Click a pin for the address and a link.

The Antioch Social Security office

Visiting a Antioch office

  • Most services now require an appointment. Book by calling the office or 1-800-772-1213 (TTY 1-800-325-0778).
  • Bring a photo ID and your Social Security number, plus original documents for your request.
  • Field offices are open weekdays only and closed on federal holidays. Check the exact hours on each office page above.
  • Skip the trip when you can: replace a card, get a benefit letter, or update direct deposit online at ssa.gov.

Towns served by the Antioch office

Many nearby towns have no Social Security office of their own, so the Antioch office is their closest option. It's the nearest field office for 10 surrounding communities, the largest is Pittsburg (76,544 residents):

Town Distance Population
Pittsburg, CA 2.8 mi 76,544
Brentwood, CA 9.5 mi 64,870
Oakley, CA 7 mi 43,771
Bay Point, CA 5.7 mi 25,378
Rio Vista, CA 12.8 mi 10,217
Camino Tassajara, CA 15 mi 5,870
Byron, CA 14.8 mi 2,057
Bethel Island, CA 10.8 mi 2,015
Knightsen, CA 9.7 mi 1,100
Isleton, CA 16.2 mi 797

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Other Social Security offices near Antioch

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Antioch Social Security offices: FAQs

How many Social Security offices are in Antioch?
Antioch, California has 1 Social Security field office, listed below with its address, hours, and phone number.
Do I need an appointment at the Antioch office?
Since 2025 the SSA asks most visitors to book an appointment before coming in. Call the office directly or the national line at 1-800-772-1213 (TTY 1-800-325-0778) to schedule one and cut your wait.
What should I bring to a Antioch Social Security office?
Bring a photo ID and your Social Security number, plus original documents for your request, for example, proof of identity and citizenship or immigration status for a new or replacement card.
What's the nearest Social Security office to Antioch?
The closest field office outside Antioch is in Concord, about 12 miles away. More nearby offices are listed on this page.
Can I avoid visiting a Antioch office?
Many tasks, replacing a card, checking an application, getting a benefit verification letter, or updating direct deposit, can be done online with a free my Social Security account at ssa.gov, with no visit needed.