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LEED Gold Certification
Seattle, WA

Seattle Convention Center

Summit, the Seattle Convention Center’s addition, nearly doubles the capacity of the Center by adding 573,770 square feet of event space including 62 meeting rooms, and a 58,000 square-foot column-free and divisible ballroom featuring 3,900 suspended planks of reclaimed wood. 248,450 square feet of exhibit space,140,700 square feet of naturally lit lobby space, and a 14,000 square foot outdoor Garden Terrace were also added. Covering 1.5 million square feet, Summit and the original Arch building, create a campus built to usher in the future of meetings and conventions.

Market Sector

Regional Office


Washington State Convention Center Authority

General Contractor

JV Clark/Lease Crutcher Lewis


LMN Architects


1.5 million sq. ft.




“ISEC has been a leader in Safety on our job sites. They are diligent with planning, implement new Safety features and are always receptive to our company-specific needs. ISEC was one of the first Trade Partners that adopted Safety helmets with an integrated chin strap for all of their crews. We appreciate the safety forward thinking with ISEC.”

Safety Director
Clark Construction Group

“ISEC was a vested team member providing value through their assistance in design, engineering support, and creative solutions to the many challenges presented by this complex, high profile project.”

Seattle Convention Center - Summit project
New Business Contact

Tell Us About Your Project.

Steve Lasik

Business Development Manager