The Seattle Convention Center Addition is a 1.5 million-square-foot facility, also known as the Summit building, which includes a ballroom, flex space with an outdoor terrace, and exhibit hall. The building's striking glass curtain wall façade provides views of the Puget Sound and surrounding cityscape, linking the downtown corridor and Seattle’s Capitol Hill neighborhood. 

• General Contractor : Clark Construction and Lewis Joint Venture
• Owner: Washington State Convention Center
• Size: 1,500,000 SF
• LEED Gold