Cornerstone General Contractors

Cornerstone General Contractors is a construction company in Bothell, WA, serving the greater region with preconstruction and construction services for community-focused facilities. The firm works in education, health care, and public and community sectors, and maintains active involvement in mass timber building. Its expertise menu spans preconstruction, self-performance, alternative delivery, safety, quality and craftsmanship, and innovation, and the company operates a bid room and helpful links for subcontractors pursuing upcoming work. Cornerstone holds a rating of 4.4 from customer reviews.

Established in 2003 by local industry founders, Cornerstone General Contractors, Inc. set out to elevate communities through preconstruction and construction services and high-quality facilities. The leadership began with hands-on field experience, shaping a lead-by-example culture that runs through the team. Its stated values are Own It, Grit, Quiet Excellence, and Care Like Family, described internally as decisiveness and resourcefulness, perseverance through challenge, disciplined self-improvement, and pride in craftsmanship. Beyond building, the company runs outreach and engagement and giving-back programs alongside its core construction work. The firm also offers job postings and internships, and publishes Cornerstone News to keep clients and partners current.

The office sits on North Creek Parkway South in the North Creek area of Bothell, near 120th Avenue Northeast and Northeast 195th Street. Woodinville Montessori School is a short walk away, and Northshore Medical Center is within about four tenths of a mile. A viewing platform overlooking the surrounding wetlands lies roughly half a mile from the office.

Customer reviews reflect a positive standing for the business, with a 4.4 rating earned from the people who have hired and worked with the firm. Founded more than two decades ago by builders with direct field backgrounds, Cornerstone brings education, health care, and public-sector construction experience to projects across the Bothell area.