The Conco Companies is providing a full range of concrete and reinforcing services on the John Muir Walnut Creek Outpatient Specialty Center Project for John Muir Health.

The new ground-up construction will consist of 2 basement levels and 2 above ground levels totaling approximately 155,176 square feet.

It will connect to the reconstructed service building via an underground tunnel, which will be attached adjacent to the existing parking structure.


The new Santa Rosa Criminal Courthouse will use the following Conco services: concrete pumping, concrete reinforcement, concrete formwork, concrete finishing, shotcrete, and Confoam. The courthouse will be located on the Sonoma County Administration Campus on Ventura Avenue, north of downtown Santa Rosa, and on the cleared site where the Old Jail facility stood. 

The courthouse will be 6 stories above ground and include a basement level. The lower 2 levels will contain courtrooms, general parking, and secured parking, with the upper 4 levels containing additional courtrooms and court administration offices. There will be 430 parking stalls available for daily operations within the courthouse, along with an additional 20 stalls for secured parking.

Conco is expecting to place 11,000 cubic yards total of concrete and shotcrete, and 1,900,000 pounds of reinforcing bar. Rudolph & Sletten are overseeing the complete building process, partnering with Richard Meier & Partners Architects, Englekirk Institutional engineers, and Conco commercial concrete services. Construction of the new courthouse began in June 2021, with anticipated completion in July 2023.


Read more about Santa Rosa Criminal Courthouse


Alta Buena Vista – Warehouse 48 is the latest addition to Conco’s portfolio of Bay Area projects. We’re partnering with the developers at WP West Acquisitions to provide concrete services for a new waterfront development in Alameda, CA that will contain 19,000 SF of retail, 362 residential units, and 505 parking stalls. This will be encompassed in 4 stories on top of 1-story parking with a design paying homage to Alameda’s colorful history as The Island City.

Conco’s services will include concrete pumping, concrete reinforcement, concrete formwork, concrete finishing, shotcrete, and Confoam services. Through the build process, Conco expects to place 16,000 cubic yards of concrete, shotcrete, and Confoam, including 2,700,000 pounds of rebar and post tension reinforcement. With our decades of concrete experience, Alta Buena Vista will be another successful entry to our growing portfolio of projects spanning the Western U.S.


Read more about Alta Buena Vista / Warehouse 48


Conco is partnering with Signature Development Group to complete Parcel G of the Brooklyn Basin project, a new waterfront development located in Oakland, CA that will be about 64 acres large. It will be 8-stories tall, with the bottom 3 levels for garage parking and the top 5 levels for residential units. The first 2 levels of the garage will serve 45,957 SF of retail and public space, with the 3rd level providing parking for 356 residential units with 480 parking stalls.

To bring this massive project into fruition, Conco will provide concrete services including concrete pumping, concrete reinforcement, concrete formwork, concrete finishing, shotcrete, and Confoam. Conco estimates we’ll place about 17,000 cubic yards of concrete, as well as shotcrete and Confoam, and about 2,800,000 pounds of rebar and post tension reinforcement. As one of the larger projects Conco has worked on, we’re excited to watch the project develop from the ground up.


Read more about Brooklyn Basin (Parcel G)

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