Hilary Dorsey//September 23, 2022//
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Unico Properties celebrated the new look of the 112-year-old Galleria in downtown Portland on Tuesday following an approximately $20 million renovation.
SERA Architects, now a Galleria tenant, was the lead architect for the project to reposition the building. Walen Construction handled the core and shell work, the new lobby and common areas. Fortis Construction built out the SERA tenant improvement.
Unico, in a joint venture partnership with Partners Group, purchased Galleria, a five-story, 194,737-square-foot office building at 600 S.W. 10th Ave., from Bill Naito Company in 2018. Then last year, the owners initiated a renovation of the building, which was added to the National Register of Historic Places in 1991.
The full project involved relocating Target from floors two and three to the ground floor, installing new mechanical systems to maximize energy efficiency, removing all interior finishes to allow office users to make spaces their own, infilling an atrium to maximize floor area, creating a new lobby that pays homage to original construction (including reuse of marble flooring where possible), adding bike storage, building a full fitness center and shower facilities, building a conference room, adding automated equipment in vehicle parking spaces, and installing high-efficiency lighting throughout the building. In addition, the elevators will be fully modernized next year.
鈥淭he remodel was done under the (Energy Trust of Oregon) Path to Net Zero standards, which is an extraordinary step, especially in a building that’s more than 100 years old,鈥 Unico director and market leader Charlie Floberg said.
Target relocated in 2020. Construction of the lobby and SERA’s tenant improvement followed. Second-floor amenities are expected to be completed by the second quarter of 2023.
鈥淕alleria is now fully electrified and (officials are) pursuing LEED gold certification, with the possibility of getting higher,鈥 Floberg said.

The development team sought to preserve as much of the building’s existing charm as possible, Floberg said, while introducing modern elements.
鈥淕alleria is a beautiful icon and a timeless asset of Portland’s past,鈥 Floberg said. 鈥淎s Portland’s largest landlord, we’ve purchased a piece of Portland’s history and we have repurposed and reenergized it.鈥
In 2021, SERA Architects agreed to a new 15-year lease for the 42,000-square-foot top floor. The firm’s site selection committee spent months considering potential office locations. This will be SERA’s main office; it also has one in Oakland, California.
No leases for other Galleria office spaces are signed yet, Floberg said, but Unico has received interest from prospective tenants.
鈥淕alleria sits at the confluence of multiple modes of public transit and is safe for bicyclists, which is important for our employees, many of whom use alternative transportation,鈥 SERA Architects principal Joe Pinzone said. 鈥淚t’s also deeply woven into the fabric of downtown, which we value for its diversity, rich experiences and convenience from any neighborhood in the city.鈥
The experience of modernizing Galleria and putting it on a path to decarbonization further reinforced to SERA’s team that it was a building they would love to inhabit, Pinzone added. The team spent time at the Oregon Historical Society looking at photos that show the building in its earliest days when it was the Olds, Wortman & King department store.
鈥淗uman-scaled details like decorative metal work, furniture caning and expressive light fixtures in the original store jumped out to us as points for inspiration and interpretation,鈥 Pinzone said.
When the building was seismically retrofitted over a decade ago, it gained massive brace frames between some columns. The design team decided to treat them like arches in strategic locations to accentuate passages through the lobby and amenity floor.
鈥淭he other key design piece is the new all-electric HVAC system that delivers 100 percent fresh air to all occupants and helps decarbonize the building,鈥 Pinzone said.
SERA Architects has a long history of designing adaptive reuse projects 鈥 including Galleria, Pinzone added. In 1976, the property owner at the time, Bill Naito Co., approached SERA to transform the building from the Rhodes department store into downtown Portland’s first micro-retail mall that ultimately became Galleria.
鈥淎ll of us who have been working on this building have been very aware that we were in an unprecedented and uncertain time 鈥 not just navigating the pandemic but also all the civic strife that has challenged Portland’s downtown core over the past few years,鈥 Pinzone said. 鈥淏ut the commitment and investment in this site is paying off.”




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