Archello Awards 2026 · Enter your projects before 30 September 2026
Archello Awards 2026 · Enter your projects before 30 September 2026
9th & Thomas
Nic Lehoux

9th & Thomas

The design of this twelve-story mixed-use project emphasizes porousness and adaptability. The building’s massing is in the in the form of a cascading cube, where a strong corner position is softened with setbacks, exposed terraces and inset covered terraces on nearly every floor.

 

“9th & Thomas provided an opportunity to think about the role of mixed-use office buildings in the creation of neighborhoods. Here, we are paying close attention to relationships to the street, neighborhood and views. Emphasizing porousness in the design sets a paradigm for these types of buildings as we consider how to welcome the population and contribute to Seattle’s culture one building at a time.” –Kirsten R. Murray, FAIA, Principal

 

Large, operable windows along the façade allow the building to adapt to Seattle’s ever-changing weather conditions, giving the upper-level office tenants the ability to control their spaces with natural ventilation and daylight. A fourth-floor roof garden and series of outdoor terraces running up the building continue the emphasis on occupant wellness. The project is LEED® Gold certified.

 

9th & Thomas is designed to be a central neighborhood gathering place. Activated by retail and restaurant spaces, the public “living room” lobby will be home to a range of curated arts programming. The building’s inviting street presence establishes 9th & Thomas as a contextual community hub – one that will serve the rapidly evolving South Lake Union neighborhood today and into the future.

 

“The transparent and accessible podium level of 9th & Thomas is articulated in an eclectic style that references the evolutionary process of a community like South Lake Union. The building has parts and pieces that move and change, open and close. It’s intentionally inviting walk-in traffic, and my hope is that the public lobby slows down the neighborhood and establishes a sense of place.” – Tom Kundig, FAIA, RIBA, Design Principal

 

Material Used :
1. Interface – Carpet Tile – Super Flor in Anthracite
2. Dal-Tile – Ceramic Tile – Polaris in White gloss
3. Dal-Tile – Ceramic Tile – Keystone in Suede Grey matte
4. Benjamin Moore – Paint – Aura in Super White eggshell and super gloss
5. Allstate – Rubber Base – 4-inch No-Toe in D49 / medium gray
6. Pental – Solid Surface – Chroma Quartz in Stormy Sky 
7. Formica – Plastic Laminate – Black matte
8. Wood Veneer – White Oak rift cut, matte conversion varnish
9. Hot Rolled Steel – Elevator Lobby/Cab – 3/16-inch, blackened with penetrol and wax
10. Hot Rolled Steel –  Elevator Cab Ceiling – 16-gauge, perforated with penetrol and wax
11. Laminated Glass – Low-iron, clear laminated with clear interlayer
12. Concrete Collaborative – Concrete tile in Laguna

Project credits

Architects
Landscape Architects
Custom stair fabricator
Civil and Structural Engineer
MEP Engineer
Lighting Design including fabrication of custom light fixture in lobby

Product spec sheet

Carpet Tile – Super Flor in Anthracite
Plastic Laminate – Black matte
Rubber Base – 4-inch No-Toe in D49 / medium gray
Paint – Aura in Super White eggshell and super gloss
Concrete tile in Laguna
Ceramic Tile – Polaris in White gloss, Keystone in Suede Grey matte
Daltile

Project data

Project Year
2019
Category
Offices
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