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.
If you would like to be added to our database of subcontractors and vendors to receive invitations to bid on Cornerstone projects, please sign up to tell us about your company.
You can find out about our current and upcoming projects at Builders Exchange of Washington.
We also send out our bid invitations via Building Connected.
“Cornerstone is a contractor that has a lot of integrity… I know I can trust them. I know they’re going to be fair, including on bid days… They’re just somebody you can count on. If you need them they’re there.”
—Mike Hinson, Senior Project Manager
Diamond B Constructors