Sloane, a 45-story residential tower rising on the former Elephant Car Wash parcel in Seattle's Denny Triangle, has officially hit its structural peak this week as crews set the final beam. The new high-rise now stakes a clear claim on the north edge of downtown, adding one more spike to a skyline already crowded with cranes and freshly minted apartments.
According to the Puget Sound Business Journal, Sloane was slated to top out this week and is considered one of the last major residential projects planned for a neighborhood that has been in construction mode for years.
What the tower contains
The project is set to deliver about 442 apartments, roughly 2,500 square feet of street-level retail and five levels of subterranean parking with approximately 262 stalls. As detailed by Weber Thompson, the 440-foot, 45-story tower is laid out to capture sweeping views toward the Space Needle, Elliott Bay and Lake Union.
Structural engineer Cary Kopczynski & Company said the team has placed the final beam and highlighted a performance-based seismic system, eight-inch post-tensioned slabs and steel-fiber-reinforced coupling beams as core pieces of the structural design. Cary Kopczynski & Company also documents a deep, variable-thickness mat foundation that carries the tower's weight.
Where Sloane fits in the neighborhood
Sloane's topping-out joins a run of large projects that have been steadily reshaping the Denny Triangle, with nearby towers already hitting their own milestones and filling in the district's skyline. The Daily Journal of Commerce has framed Sloane as another substantial infusion of housing for downtown.
Timeline and next steps
Weber Thompson lists a 2026 completion date for the development, while marketing and leasing materials indicate some retail delivery slipping into early 2027 as interior work and tenant build-outs continue. Program details and timing are outlined by the design team and in property listings, with retail availability highlighted in leasing flyers on CommercialSearch.
