Seattle | Mortenson


Every aspect of Mortenson's work, and every member of Mortenson's team, has been superb. The leadership on the team are off-the-scale - truly phenomenal. The team's ability to roll with the punches and to accommodate circumstances as they arise is amazing.

Ed Lazowska - University of Washington

Chambers Creek Regional WWTP


UW Bill & Melinda Gates Center for CSE


citizenM Seattle

citizenM Seattle Hotel


Mortenson’s Seattle office has been building complex projects in the Northwest for over 34 years, exceeding $5 billion in value. We bring value to our customers by providing innovative solutions to their facilities’ needs and treating every relationship as a partnership.  The three attributes of the Mortenson Experience – ingenuity, expertise and exceptional people – are incorporated into every project we undertake to ensure a better building experience for our customers, design partners, and our team members. Mortenson is committed to relationship-based projects and alternative delivery. Since its adoption in Washington State in 1991, Mortenson has successfully delivered or currently has under contract over 40 Washington State GC/CM projects. As a design-build leader, Mortenson has completed or is in progress on Washington state's first Progressive Design-Build projects. Because of our experience, we understand alternative delivery and are able to optimize best value for our customers.

10230 NE POINTS DRIVE, SUITE 300, KIRKLAND, WA 98033  |  425.895.9000