Lab-Ready Office in Mass Timber

Northlake Commons | Seattle, WA


This 275,000 square foot mixed-use project spans five stories, with 158,000 square feet of mass timber office and lab-ready space, over a concrete podium parking garage and warehouse for Dunn Lumber. The project will be located on the Northeast side of Lake Union, with access to the Cheshiahud Lake Union Loop. Weber Thompson's design of Northlake Commons "draws inspiration from the experience of being deep within the woods of the Pacific Northwest."

The high-performance lab-ready office building pays homage to the timber roots of the Dunn family business located on this street from 1931 to today. The structural system is comprised of CLT panels atop glulam columns and girders, with a steel Buckling-Restrained Braced Frame lateral system.

The mass timber structural system will have a lighter footprint than other structural alternatives; a Life Cycle Assessment of the embodied carbon in the timber will be calculated to understand the impact compared to more conventional construction types. The project is pursuing LEED CS Gold and Fitwel Certification.


Developer | Hess Callahan Grey Group

Architect | Weber Thompson

Structural Engineer | DCI Engineers

General Contractor | Swinerton

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