The RMR Group Announces Completion of Unison Elliott Bay Redevelopment
Revitalized Mixed-Use Campus Delivers 300,000 Square Feet of Life Science Lab, R&D and Class A Office in
Campus Design Focuses on Wellness Amenities and Connection to Surrounding Nature

(Photo: Business Wire)
Unison seamlessly integrates energy-efficient systems and green features to enhance the well-being of its occupants. The campus features Class A office space along with 200,000 square feet of 14’ floor-to-floor heights in the two dedicated lab buildings inclusive of move-in ready lab and R&D space with suites ranging from 12,500 to 25,000 square feet. The property includes dedicated mechanical infrastructure supported by standby generator power to accommodate demanding lab and technological power requirements. Green walls of preserved moss installed in the reception areas add vitality to the building lobbies and connect occupants to the natural surroundings, while felt matrix ceilings provide a modern aesthetic and enhanced sound attenuation.
The campus has modern comforts to encourage productivity and promote wellness including collaborative indoor and outdoor meeting areas, conference and training rooms, spacious fitness and changing room facilities and a landscaped courtyard with built-in pergola and sculptural art. Additional amenities including covered and surface parking, secure bike storage and centrally located EV charging stations are available to address the transportation needs of Unison’s tenants. Plans also include a chef-driven café as well as a rotating mix of food trucks along the landscaped roundabout.
Unison is uniquely situated on Elliott Bay with unobstructed views of Puget Sound and the Olympic Mountains, allowing occupants access to 15 acres of nearby trails, beaches and open space at Myrtle Edwards and Centennial Parks. Unison’s wellness programming, waterfront views and access to Seattle’s green spaces contribute to a work environment intended to prioritize employee wellbeing. The campus is on track to achieve LEED Gold, Fitwel and Wired Score certification.
Sonoma Biotherapeutics, Inc., a clinical-stage biotechnology company has signed a 10-year lease in the 501 building for more than 83,000 square feet. Sonoma Biotherapeutics occupies three floors of office and lab space for its R&D and Manufacturing Center, intended for the development of engineered regulatory T cell (Treg) therapies for autoimmune and inflammatory diseases. The biotech company has moved its
Chris Bilotto, Executive Vice President of The RMR Group, made the following statement:
“Unison is a revitalized mixed-use campus with premium lab space designed to drive innovation and scientific discovery.
Unison is managed by RMR, which is responsible for providing all aspects of management services and strategy for over 2,000 properties across the
JLL’s Life Sciences Team of Joe Gowan, Managing Director and Tim Jones, Senior Vice President are leading leasing efforts for the campus. For more information on the campus, visit unisonelliottbay.com.
About The RMR Group
The RMR Group is a leading
About Office Properties Income Trust
OPI is a national REIT focused on owning and leasing office properties to high credit quality tenants in markets throughout
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Christopher Ranjitkar
Vice President, Marketing & Corporate Communications
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Source: The RMR Group Inc.