COVID-19 Response: Cornerstone’s collaborative ability to adapt to ever-changing circumstances has always been instrumental to the success of our projects. Despite the current pandemic, we continue to turn unknowns into knowns and big problems into manageable solutions with actionable and realistic steps. The foundation of this company is built on communication, trust, and respect. We have leveraged that strength throughout each stage of this pandemic to ensure our job site workers remain safe and healthy.

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.)

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