Robert A.M. Stern

520 Park Avenue

54-Story, 33-Unit Residential Tower Rises At 520 Park Avenue, Upper East Side

YIMBY partially revealed schematics back in 2013 of Zeckendorf Development’s planned 54-story, 33-unit ultra-luxury residential tower at 520 Park Avenue (formerly 45 East 60th Street), in Lenox Hill. Later that year, demolition wrapped up on the site’s old low-rise structures. Since then, work has focused on building the project’s foundation. In recent months, however, the tower has finally begun to rise, as seen in these photos by Tectonic, and concrete is now being poured for the fourth floor. Robert A.M. Stern Architects is designing the limestone-clad structure, which will eventually host some of New York’s most opulent condominiums. Completion is currently expected in 2017.

550 Madison Avenue

First Look At Hotel-Condo Conversion Of 37-Story Sony Tower At 550 Madison Avenue, Midtown

Back in 2013, Chetrit Group acquired the 37-story, 855,000 square-foot office building at 550 Madison Avenue, between East 55th and 56th Streets in Midtown, for $1.1 billion. Now the developer has released a partial rendering and details of the planned conversion of the building known as Sony Tower and previously the AT&T Building, per Curbed. Floors 21 through 43 will be converted into 113 condominiums and the lower portion of the building will contain a 170-key hotel, featuring 60 suites and a slew of amenities. Robert A.M. Stern Architects is designing, and completion is expected in early 2018. The Philip Johnson-designed tower originally opened in 1984.

20 East End Avenue

17-Story, 43-Unit Residential Building Tops Out At 20 East End Avenue, Upper East Side

Earlier this year, construction kicked off on the 17-story, 43-unit residential building planned at 20 East End Avenue, between East 80th and 81st Street on the Upper East Side, and now the structure has topped out, per photos by Tectonic. Residential units will average just under 3,300 square feet apiece, ranging from two- to six-bedroom configurations. Installation of the brick façade is now underway above the second floor, and the bottom two floors will eventually be clad in limestone. Corigin Real Estate Group is developing, Robert A.M. Stern Architects is designing, and completion is expected next year.

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