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Contra Costa Administration Building

Photographer: Michael O'Callahan

The four-story, 71,000 square foot County building houses a variety of county departments. The first floor features office space as well as a large assembly chamber which hosts local government and community interest meetings. The second, third and fourth floors are outfitted with offices, conference rooms, work stations, and support spaces for county personnel.



  • LEED Gold


  • Award Winner

Completion Year



71,000 square feet

Project Type

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