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.
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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.
Upcoming bid opportunities
Projects Bidding Flyer, March 2020 (PDF, 1 MB):
“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