Seattle Area Construction Partner Aligned with Your Values and Vision
Mortenson's Seattle office has been constructing complex projects in the Pacific Northwest for over 40 years. We provide value to our customers by offering innovative solutions and treating every relationship—whether it's with customers, design partners, or team members—as a partnership. Our dedication to relationship-based projects and alternative delivery enables us to maximize the best value for our customers.
SEATTLE BY THE NUMBERS
41
YEARS
PROJECTS
TEAM MEMBERS
SQ FEET
Featured Projects
Providence Swedish First Hill North Tower
This hospital expansion project will help meet increasing demand for medical services and enhance patient and healthcare provider experience.
WWU Kaiser Borsari Hall
Using mass timber construction Mortenson and Western Washington University are creating the first carbon net neutral collegiate facility in the state of Washington.
SEA North Satellite P.F. Chang's
The Mortenson team worked with the Port of Seattle and surrounding tenants to minimize disruption balancing operational impact with project goals.
UW ICA Basketball Training Facility
State-of-the-art training facility will create equitable spaces for both men's and women's programs demonstrating equity in intercollegiate athletics.
Four 106 Office Tower
A flexible office space designed for the workplace of the future with glass panels to create a sense of openness and amenities to promote tenant health and wellness.
Harborview Medical Center OR & Sleep Clinic
Revitalizing existing spaces to elevate patient care with new, state-of-the-art outpatient operating rooms and a relocated, renovated sleep clinic.
News + Insights
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.
Spotlight on Collegiate Engineering Schools
As engineering programs continue growing, higher education institutions focus on building spaces that meet their programmatic needs while creating modern learning spaces that inspire innovation.
Building Successful Sports Training Facilities
How collaboration between a construction project design team, athletes, coaches and staff ensures training facilities are well-equipped to support peak performance and maximize overall athlete wellness.
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?