Costco and the City of Issaquah reached a deal on a new 640,000-square-foot building, expected to open in 2020.
The retailer plans to add a nine-story, 620,000-square-foot office building and adjacent parking garage with about 1,650 stalls at its Issaquah campus.
The new building will mark the first construction after an agreement from a few years ago that allowed Costco to build 1.5 million square feet of new office space, and in exchange, the city and Costco agreed to partner 50/50 on nearly $50 million in new street improvements.
Costco is by far the biggest employer in the Seattle suburb. The retailer moved its headquarters to Issaquah in 1994. The new office building and parking garage at Costco’s Issaquah campus could make room for as…