SECO Development, privately held and founded in 1989, has been a leader in NW development. SECO focuses on the development of large-scale exceptional urban sites with an emphasis on superior design and construction in each new community it builds. SECO’s primary goal is the enhancement of our cities while protecting our beautiful environment. SECO also has extensive history in brown field cleanup. 

For the last three decades, SECO has been involved in the largest mixed-use developments in the region, including 11 acres in downtown Bellevue, 12.95 acres in Kirkland, 3.85 acres on Mercer Island, and completed 2.4 MM SF on 17.1 with an additional 1.5 million SF of office and retail on 12.81 acres planned in Renton.