46-story SL Green tower project slated to begin in the fall
SL Green and Japan's Mori Building Co. are set to begin construction on a new 46-story office tower on Madison Avenue this fall. The project will involve the demolition of the old Brooks Brothers building and is expected to be completed by late 2031. The tower will feature extensive amenities, including a luxury wellness center and a world-class restaurant.
- ▪Demolition of the old Brooks Brothers building at 346 Madison Ave. is scheduled for this fall.
- ▪The 850,000 square-foot tower is projected to be finished in the third quarter of 2031.
- ▪SL Green will sell a 49 percent stake in the new project to Mori, Japan's largest urban landscape developer.
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Steve Cuozzo Business realty check 46-story SL Green tower project slated to begin in the fall By Steve Cuozzo Published May 31, 2026, 12:26 p.m. ET See more of our coverage in your search results. Add The New York Post on Google SL Green and Japan’s Mori Building Co., which announced a joint-venture partnership to develop a new Madison Avenue office tower, are wasting no time getting the 46-story project off the ground.Demolition of the old Brooks Brothers building at 346 Madison Ave. and of next-door 11 E. 44th St. will start in the third quarter of this year, SL Green leasing director Steven Durels told Realty Check.The 850,000 square-foot tower is projected to be finished in the third quarter of 2031, Durels said.
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