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Concord, California

Located in Contra Costa County, California, Concord was established in 1869. The Port Chicago disaster of 1944 killed 320 people, mostly Black sailors, and the subsequent mutiny trial helped lead to the desegregation of the U.S. Navy. Concord is a BART terminus station, making it a popular East Bay commuter suburb.

Founded 1869 | Population 131,127 | Peak 131,127 (2024) | County Contra Costa County

Top 10 Most Important Events for Concord, California

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1869 Town Established: Named Todos Santos, later renamed Concord.

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1942 Port Chicago Naval Weapons Station: Major ammunition loading facility for Pacific Theater WWII.

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1944 Port Chicago Disaster: Ammunition explosion kills 320, mostly Black sailors. Leads to mutiny trial and helps desegregate Navy.

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1969 BART Planned for Concord: Concord selected as terminus for new BART rapid transit system.

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1973 BART Opens: Rapid transit connects Concord to San Francisco and Oakland.

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1976 Sun Valley Mall Opens: Regional shopping center anchors city's commercial growth.

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2005 Concord Naval Weapons Station Closed: Base closure opens 5,000 acres for massive redevelopment.

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2023 Concord Naval Weapons Station Reuse Plan: Plans for 12,000+ homes on former base site advance.

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Latest News in Concord

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Complete Historical Timeline

1869 Culture

Town Established

1942 Government

Port Chicago Naval Weapons Station

1944 Disaster

Port Chicago Disaster

1969 Transport

BART Planned for Concord

1973 Transport

BART Opens

1976 Business

Sun Valley Mall Opens

2005 Government

Concord Naval Weapons Station Closed

2023 Business

Concord Naval Weapons Station Reuse Plan

Did You Know?

The Port Chicago disaster of 1944 killed 320 people, mostly Black sailors, and the subsequent mutiny trial helped lead to the desegregation of the U.S. Navy.

Concord is a BART terminus station, making it a popular East Bay commuter suburb.

The former Concord Naval Weapons Station is one of the largest urban redevelopment sites in the U.S.

Concord is located in Contra Costa County, California.

Concord was founded in 1869.