 One Madison Avenue, the 27 story, 1.4-million-square-foot office building located adjacent to Madison Square park, will feature unprecedented retail, wellness and hospitality-focused amenities complete with tenant lounge and rooftop event space Slated for on-time completion in November 2023, the neighborhood-defining office tower is already 55 leased Renderings of the project can be found here. Photos ... The post SL Green Celebrates the Topping Out of One Madison Avenue in Midtown South appear... 