Doing what's best for your project
Mortenson’s Seattle office has been building complex projects in the Pacific Northwest for 40 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.

Port Angeles Field Arts & Events Hall
The project serves as a new cultural hub for Port Angeles, rooted in its natural beauty, that elevates the arts and creativity within the community.

Net Carbon Zero Building
Together, Mortenson and Western Washington University are creating the first carbon net neutral collegiate facility in the state of Washington.
Climate Pledge Arena Community Benefits Report
We are proud to create opportunities for individuals that have been historically marginalized, demonstrating how construction can transform communities through economic inclusion.

Building Climate
Pledge Arena

2021 Healthcare Facility Trends
Seattle Construction Cost Index
The Mortenson Construction Cost Index is calculated quarterly by pricing a representative non-residential construction project in geographies throughout the country. View the latest trends in construction costs for the Seattle area.
Questions about getting started on your project?
Design-Build, Progressive Design-Build? How do you determine which Delivery Method is right for you?