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Case StudyJune 23, 2026

The Future Is Historic: Four Hard-Won Lessons from 300 Pine's Landmark Adaptive Reuse

Misty Jordan

Misty Jordan

5 min read

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1. Historic Preservation and High-Tech Aren't Opponents—They're Complements

The project's defining opportunity was to honor the character of a 97-year-old building while transforming it into a connected, high-performing workplace for 2,500 modern office workers. 

Too often, historic preservation and modern workplace performance are treated as competing priorities. At 300 Pine, they became complementary goals. Rather than concealing the building's history or replacing it with an entirely new aesthetic, the design embraced the existing structure as the foundation for innovation. 

Original columns, beams, and mechanical systems were exposed and celebrated, allowing the building's history to remain visible. Modern power, data, piping, and ductwork were thoughtfully integrated alongside them, with infrastructure becoming part of the architectural expression rather than something hidden above ceilings or behind walls.  

The decision to reveal rather than conceal the building’s existing structure and infrastructure extended the principles of adaptive reuse beyond preservation alone. By reducing the need for new ceilings, finishes, and enclosures, the project conserved materials and helped lower the embodied carbon associated with the transformation. 

Why this matters: Historic buildings are valuable resources, not just for what they preserve, but for what they make possible. Exposed structure doesn't date a space—it roots it. When you work with what's there instead of against it, you get buildings that feel inhabited by their own history. Tenants notice. Visitors notice. And it turns out that visible infrastructure can become architecture.

Sustainable buildings aren't just about mechanical efficiency. They're about quality of life—daylighting, visibility, human-scale movement.

Steve Erickson, Principal

2. Updating Seismic Resilience During Occupancy Is Possible—And Drives Innovation

Seattle's seismic reality has long shaped how buildings are designed, but standards have evolved. The building's structural design had not—its original 1929 construction and 1953 expansion predated today's seismic standards.  

The solution: add 7 shear walls inside existing stair towers and connecting steel struts to strengthen the building’s lateral system. Achieving this while the building remained active required a new level of coordination and creative problem-solving. The ground floor continued operating as a Macy's department store throughout construction, so delivering a large-scale seismic upgrade without interrupting the life of a major retail anchor became a project imperative. 

The active environment became an opportunity to rethink conventional construction approaches. With no external crane access, the team engineered a solution that placed a crane within an existing air shaft and constructed a dedicated foundation to support it. Stairwells were carefully redesigned to incorporate new shear walls while maintaining safe egress, and vertical transportation sequencing was coordinated around ongoing retail operations below.  

The project required precision at every stage. And it proved that seismic resilience isn't about starting over—it’s about finding innovative ways to strengthen what already exists.

Why this matters: As cities look to address aging buildings alongside climate goals and seismic resilience needs, adaptive reuse offers a path forward. Retaining and upgrading existing structures avoids the carbon impact of unnecessary demolition and new materials while preserving the urban character and fabric of the community. 300 Pine demonstrates that you can harden a structure in place, even within an occupied building. 

3. Great Urban Projects Work with the City, Not Around It

Located between Pike Place Market, the Financial District, active retail corridors, and major transit lines, 300 Pine occupies one of the city’s most dynamic urban blocks. Delivering a transformation at the heart of this environment required a construction strategy that respected the surrounding neighborhood while keeping the project moving efficiently. 

Instead of relying on a traditional construction footprint, the team reimagined how the site itself could work. The internal air shaft became an asset—a dedicated pathway for vertical material transport that served the entire construction sequence. Prefabrication, careful material staging, and intricate phasing reduced time and waste while respecting the surrounding streets and businesses.

Why this matters: The most valuable opportunities for adaptive reuse are often located in the centers of our cities, where land is limited and neighborhoods are already thriving. 300 Pine demonstrates that some of the most successful redevelopment projects come from making the most of what’s already available—both inside the building and around it.

4. Strategic Interventions Can Transform How Historic Buildings Are Experienced

The original floor plates were deep—80,000 square feet. For a retail department store, that was efficient. For modern office work, it's dark and disconnected. Reimagining those spaces for a modern workplace meant creating an environment that felt connected, collaborative, and filled with natural light. 

The design strategy centered on opening the building from within. As part of the core and shell renovation, two 2,500-square-foot clerestories and 19 new skylights were introduced to draw daylight deep into the floor plates. A 6-story communicating stair became the heart of the building, encouraging movement between floors while creating new sight lines and visual connections.  Additional floor openings extended daylight to lower levels, while the exposed structure and building systems became intuitive wayfinding elements. The effect: a building that feels open despite its density. A building where people move between floors not by elevator but by stair, creating serendipitous encounters. 

The design also incorporated biophilic principles to strengthen the relationship between people and the environment. A 20-foot living green wall, natural materials, access to outdoor spaces, and views across downtown Seattle helped bring elements of nature in. The rooftop deck extended that connection outdoors, providing gathering areas, greenery, and 360-degree views of the city.

Why this matters: Adaptive reuse allows historic buildings to deliver modern experiences without losing their identity.  By introducing light, connection, and openness, thoughtful interventions can transform existing spaces into high-performing environments.