COVID-19 Response: Most of Cornerstone’s projects have been deemed “essential facilities” by Washington State Superintendent of Public Education, therefore construction activities will proceed as scheduled until further notice. All activity in and related to job sites will meet or exceed State guidelines for social distancing and appropriate health protection. CONTACT US for further details.

We look forward to hearing from you!

(If you would like to be added to our subcontractor and vendor database to receive invitations to bid on Cornerstone projects, please join us in the BID ROOM.)

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Our main office is located in Bothell, Washington.

11805 North Creek Parkway S
Suite 115
Bothell, WA 98011
P: 425.481.7460
F: 425.481.7497