Connecting, mentoring and supporting local businesses
Our current and future success at Cornerstone is based on growing new relationships while maintaining our existing ones. We support our communities by establishing these relationships with local subcontractors.
We understand the importance of lifting up other businesses in our community. We open doors to new opportunities for talented craft workers in the Pacific Northwest and building relationships with people who share our dedication to integrity and accountability.
We take a fair and honest approach to all of our projects, and we always put the safety of our workers and subcontractors first. If that sounds like a team you could be a part of, connect with us for subcontractor and supplier opportunities.
If you'd like to tell us about what your company offers, click below:
Bid Room
For specific project inquiries, please contact estimating@cornerstonegci.com
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Upcoming Bid Opportunities as of September 2025Click Here
Helpful Links
We've provided links below to help you find more information about Cornerstone's current and future project bidding and networking opportunities.
Builders Exchange of Washington
Documentation for current and upcoming Cornerstone projects bids can be found under Projects Bidding at the Builders Exchange website, no password required.
BuildingConnected
BuildingConnected is a networking site where General Contractors, Subcontractors, and Owners can connect through projects by sharing project documentation, invitations to bid, and other project communication.
Upcoming Events
Where you can learn about and register for our upcoming events.
Connect with Cornerstone
Tell us about your subcontracting company.
Work With Us