Washington State’s Thriving Construction Market


The Conco Companies provide concrete services for the flourishing Seattle and Bellevue construction markets.  Some of these projects have included “green” sustainable features, mixed-used residential/retail construction, and unique architectural features.

We have worked on several projects in the fast-growing Denny Triangle and South Lake Union areas in Seattle, WA.  If you are unfamiliar with the Denny Triangle area, it is the site of Amazon’s headquarters and where two new Amazon office towers were recently finished with another scheduled for completion by the end of the decade.  The company is also constructing three intersecting biospheres at the site that will offer 65,000 square feet of green space for employees to work and socialize in a natural park-like setting.  The largest of the spheres is 95-feet tall, which is about the height of an eight-story building and 130 feet in diameter.

One of the Denny Triangle projects we are involved with is the Kinects Tower.  It included constructing four levels of below grade and five levels of above grade parking for a total of 316 parking stalls.  We also did a 6,000 cubic yard concrete pour for the 145’x120’x9′ and just over 500,000 sq. ft. size PT slab that was reinforced with 850,000 lbs. of rebar. The 41-story tower is a unique, wedge-shaped building that gets progressively larger on each floor with an enclosed, four-season pool on the roof.  Due to the sustainable features of the apartment building, it has already been awarded LEED Silver Certification.  Units will be ready for residents in July 2017.

Another project we recently finished in Bellevue, WA was the Main Street Gateway complex.  Awarded the turn-key structural concrete package, we provided all of the pumping, place and finish, shotcrete, and formwork for the mixed-use project.  We also supplied the reinforcement that was installed by RPM.   The project includes an underground parking lot for about 600 vehicles and also several electric vehicle charging stalls.

Conco is one of the leading suppliers of concrete services for the Western U.S. We got our start in 1959 in the Bay Area by offering clients the best value on a broad range of concrete services and products.  Since that time, we have taken a leading role as top concrete contractors in the region. We have four regional offices serving California, Oregon, Nevada, Colorado and Washington.


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