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Siteline, an eight-story mixed-use building located next to Seattle Center

Siteline Set to Break Ground Near Seattle Center

MainStreet Property Group LLC, in partnership with Grousemont Associates, recently announced the start of construction at Siteline, an eight-story mixed-use building located next to Seattle Center in the Uptown neighborhood. The groundbreaking will kick off in a public ceremony at 9:00 a.m. tomorrow at the project site.

The building is slated to open in summer 2023. Located at 223 Taylor Ave. North in the shadow of the Space Needle, the 334,767-square-foot building features 214 apartment homes, of which 43 units will be priced within Seattle’s affordability program.

The project also includes 43,000 square feet of commercial office space, 6,500 square feet of ground-level retail space, approximately 10,000 square feet of public outdoor space and 274 parking stalls. 

“From the Siteline, residents, visitors and tenants will have a line-of-sight on many of the important landmarks that make up the Seattle Center and South Lake Union areas. That unique outlook is woven into the design of the project and we plan to honor many of the elements that make Seattle and this area unique. When complete, the Siteline will truly be a one-of-a-kind localized experience,” said Kelly Price, MainStreet Property Group president.


Inside The Story

MainStreet Property Group LLC

About Lisa Brown

Lisa Brown has decades of experience in corporate communications and marketing management with organizations including Coldwell Banker Residential, Grubb & Ellis, Marcus & Millichap, NAIOP, SIOR and ALM. In those positions, she worked in conjunction with chief executive officers and chief marketing officers to create corporate messaging, cohesive branding standards, strategic marketing plans and thought pieces. Brown is a frequent speaker at industry events and an editing adjunct professor for an online course. She has a master’s degree in mass communications from San Jose State University.

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