Seattle Uptown Site Buy Tees up 10-Story Family Tower
What JPI and Stream Plan at 400 4th Ave W At 400 4th Ave. W, JPI and Stream Real Estate plan a 189-unit Class A residential project in Uptown. It marks their second Seattle venture together after announcing the acquisition on March 17, 2026. Nationally, office conversions have accelerated as developers respond to shifting demand shaped by remote work and housing needs. The 0.7-acre corner site was purchased for $7.8 million through a receiver's deed sale. Weber Thompson is designing the approximately 226,749-square-foot development. Design Strategy The sloping parcel drops 40 feet, and the building is planned to step into the hillside to improve views and unit placement. That approach also supports transit integration and stronger community engagement in a dense urban setting. Units are positioned to capture iconic views of Puget Sound, Downtown Seattle, and the Space Needle. The project is aimed at addressing a shortage of larger urban apartments. About one-quarter of planned ho...