Upper East Side

Lenox Hill Hospital Expansion. Designed by Ennead Architects.

Lenox Hill Hospital Expansion Approved by City Council at 100 East 77th Street on Manhattan’s Upper East Side

8:00 am on August 17, 2025 By Michael Young and Matt Pruznick

The New York City Council unanimously approved plans for the expansion and modernization of Lenox Hill Hospital at 100 East 77th Street in the Lenox Hill district of Manhattan’s Upper East Side. Designed by Ennead Architects and Ewing Cole and developed by Northwell Health, the new $2 billion structure is expected to rise 370 feet tall along the eastern half of the city block. The existing 160-foot-tall medical complex is more than 150 years old and is bounded by Lexington and Park Avenues and East 76th and East 77th Streets.

1122 Madison Avenue. Rendering courtesy of Hayes Davidson.

1122 Madison Avenue Rises on Manhattan’s Upper East Side

8:00 am on August 11, 2025 By Michael Young and Matt Pruznick

Construction is steadily rising on 1122 Madison Avenue, a 22-story residential building on Manhattan’s Upper East Side. Designed by Studio Sofield and developed by Legion Investment Group and Nahla Capital, the 283-foot-tall structure will yield 26 condominium units. Hill West Architects is the architect of record for the property, which is located at the corner of Madison Avenue and East 84th Street.

420 East 75th Street. Photo by Michael Young.

420 East 75th Street Completes Construction on Manhattan’s Upper East Side

7:30 am on August 5, 2025 By Michael Young and Matt Pruznick

Construction is complete on 420 East 75th Street, a seven-story residential building in the Lenox Hill section of Manhattan’s Upper East Side. Designed by ARC Architecture + Design Studio and developed by Robert Michaeli of Brooklyn B Company Group, the 74-foot-tall structure yields six full-floor condominium units with an average scope of 1,525 square feet. The project also includes a cellar level and a 31-foot-long rear yard. The property is located on an interior lot between First and York Avenues.

259 East 72nd Street. Rendering courtesy of Chetrit Group.

Excavation Underway at 259 East 72nd Street on Manhattan’s Upper East Side

8:00 am on August 4, 2025 By Michael Young and Matt Pruznick

Excavation work is underway at 259 East 72nd Street, the site of a 21-story residential building on Manhattan’s Upper East Side. Designed by Peter Pennoyer with C3D Architecture as the architect of record and developed in a partnership between Rabsky Group and Chetrit Group, the 150,000-square-foot structure will yield 54 condominium units and 5,700 square feet of retail space. The project will also include an adjacent five-story annex containing four affordable housing units. The 14,000-square-foot property is alternately addressed as 1357 Second Avenue and located at the intersection of Second Avenue and East 72nd Street, with a narrow panhandle that extends south to East 71st Street.

1482-1484 First Avenue. Photo by Michael Young.

Demolition Continues at 1482-1484 First Avenue on Manhattan’s Upper East Side

7:30 am on July 28, 2025 By Michael Young and Matt Pruznick

Demolition is steadily progressing at 1482-1484 First Avenue, the site of a future 30-story residential building on Manhattan’s Upper East Side. Designed by Hill West Architects and developed by Alchemy-ABR, the forthcoming 366-foot tall structure will yield 161,000 square feet of residential space with 86 rental units, and 343 square feet of commercial space, and a 30-square foot backyard. The building at 1482 First Avenue formerly stood four stories tall and spanned 7,100 square feet, and the two-story 1484 First Avenue measured 13,700 square feet that was once occupied by Weill Cornell Medicine. Demolition is expected to cost a combined $1.8 million. The abutting properties are located by the intersection of First Avenue and East 77th Street.

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