Doing what's best for your project

Mortenson’s Seattle office has been building complex projects in the Northwest for over 36 years. We bring value to our customers by providing innovative solutions and treating every relationship –customers, design partners, and team members – as a partnership. Our commitment to relationship-based projects and alternative delivery allows us to optimize the best value for our customers.

Kaiser Permanente Port Orchard Clinic
Mortenson is one of the best contractors I have worked with in 25 years in the healthcare design and construction industry. The lean culture is evident at all levels of the organization. I appreciated the transparent communication style and the willingness to adjust as circumstances change.

uw cse

UW Bill & Melinda Gates Center for CSE

The University of Washington expands its impact on students, innovative employers, and the economy while developing solutions to society’s greatest challenges.

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citizenM Hotel - South Lake Union

A hallmark of innovation, this award-winning project in South Lake Union is one of the first large-scale volumetric steel modular buildings constructed in a high-seismic zone.

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Providence Regional Medical Center Everett

Supporting our customer on the Everett campus for over 15 years completing the 700,000-SF medical tower, parking garage, Cancer Partnership, and numerous small projects.

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Building Climate
Pledge Arena

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& Tilt 49

Questions about getting started on your project?

Design-Build, Progressive Design-Build? How do you determine which Delivery Method is right for you?