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Contra Costa County·California

Advertised and Upcoming Public Works Projects webpage

Rolling / TBD close
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Description

Click the "Link to bid" button below for more information

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Key dates

Opened
1/21/2026
Closes
Rolling / TBD

Last updated

Details

Industry
Civil Engineering
NAICS
237310

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