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Slack Headquarters

Photographer: Garrett Rowland

Each of Slack’s 10 floors were designed based on a region of the Pacific Crest Trail, starting with deserts and progressing to glaciers. This project was completed in three phases. Phase one completely renovated floors two, five, six, seven, and ten: 130,000 square feet total. Features of this phase included an all-hands area, barista bar, library, and a mezzanine. Phase 2 renovated 80,000 square feet covering the first-floor lobby and floors four, eight, and nine. Features include a connecting stair between the ninth and tenth floors and a full service kitchen and dining area. Floor three—high desert—was completed during Phase 3. This 30,000 square foot space includes workstations, meeting rooms, a training room, and more.



  • Award Winner

Completion Year



240,000 square feet

Project Type

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Slack Headquarters
San Francisco
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