County Administration Building

The new 71,000 square foot County Administration Building will be located at 1025 Escobar Street in downtown Martinez.  It will be four stories in size, and house a variety of County departments, and include the Board of Supervisors meeting chamber.  

Parking has always been a challenge near the current, aging McBrien Administration Building.  The new building will have nearby parking for 250 vehicles, including an increase of approximately 75 spaces for the public.  In addition, there will be public plaza areas where the 12-story building now sits at 651 Pine Street.

For information, questions, or concerns regarding the Administration Building project, please contact us at 925.335.1088.

To go back to Public Works homepage, please click here

  1. Sidewalk/Parking Lot Closure on Main Street

    Contra Costa County Public Works to Close Sidewalk and Parking Lot on Main Street in Martinez Due to Construction. Read on...
  2. Escobar Street Closure

    Contra Costa County Public Works to Close Escobar Street in Martinez Due to Construction of the New Administrative Building Read on...
  3. Marina Vista Road Closure

    Contra Costa County Public Works to Close a Section of Marina Vista Street in Martinez Due to Construction of the New Administrative Building Read on...
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Project Accomplishments:

  1. Work started on site grading and in progress;
  2. New sewer line started and is in progress; and  
  3. Temporary road started and completed.
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View current webcam images or a time lapse of the County Building Demolition site here.


admin video link