Office

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.

Exterior Progress Continues on 520 Fifth Avenue in Midtown, Manhattan

8:00 am on August 15, 2025 By Michael Young

Exterior work is continuing on 520 Fifth Avenue, an 88-story mixed-use supertall skyscraper in Midtown, Manhattan. Designed by Kohn Pedersen Fox and developed by Rabina, the 1,002-foot-tall structure will span 415,000 square feet and yield 100 condominium units. The project will also include 25 floors of boutique office space, ground-floor retail, and an extensive collection of amenities. The property is located at the corner of Fifth Avenue and West 43rd Street, one block north of Bryant Park.

270 Park Avenue’s Hoist Begins Disassembly in Midtown East, Manhattan

8:00 am on July 14, 2025 By Michael Young and Matt Pruznick

Construction is entering the final stages on 270 Park Avenue, JPMorgan Chase’s 1,389-foot-tall Midtown East headquarters. Designed by Norman Foster of Foster + Partners and developed by Tishman Speyer, the 60-story supertall skyscraper will yield 2.5 million square feet of office space with a capacity of 15,000 employees, and will become the tallest structure in New York completely powered by hydroelectric energy. Adamson Associates is the architect of record and Gensler is the workplace designer for the project, which occupies a full city block bounded by East 48th Street to the north, East 47th Street to the south, Park Avenue to the east, and Madison Avenue to the west.

Renovations Announced for 850 Third Avenue In Midtown East, Manhattan

7:00 am on July 13, 2025 By Max Gillespie

HPS Investment Partners has closed a deal with the New York City Economic Development Corporation to renovate 850 Third Avenue in Midtown East, Manhattan, marking the first finalized project under the Manhattan Commercial Revitalization (M-CORE) program. The 21-story office building will undergo a $57 million transformation aimed at modernizing the property with upgraded infrastructure, new amenities, and ground-floor retail space. The property is located between East 51st and 52nd Streets.

655 Madison Avenue. Developed by Extell.

Proposed Supertall Designs Revealed for 655 Madison Avenue on Manhattan’s Upper East Side

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

New zoning diagrams reveal two potential supertall designs for 655 Madison Avenue, a proposed 74-story mixed-use skyscraper on Manhattan’s Upper East Side. Developed by Extell and designed by Beyer Blinder Belle, the 1,162-foot-tall structure is planned to span 764,698 square feet and yield an undisclosed number of condominium units along with lower-level office and retail space. Extell is currently seeking approval from the City Planning Commission (CPC) for the project, which would rise from the corner of Madison Avenue and East 60th Street.

Lumen LIC’s Exterior Nears Completion at 23-15 44th Road in Long Island City, Queens

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

Exterior work is reaching the final stages on Lumen LIC, a 66-story residential skyscraper at 23-15 44th Road in Long Island City, Queens. Designed by Hill West Architects and developed by FSA Capital, the 754-foot-tall structure spans 855,400 square feet and yields 938 rental units with an average scope of 910 square feet. The project will also include lower-level office space and 17,400 square feet of ground-floor retail. The residential inventory is planned to include 282 affordable housing units. The property is alternately addressed as 43-30 24th Street and located along 44th Road between 23rd and 24th Streets.

Photograph of 300 Park Avenue. Courtesy of Tishman Speyer

Refinancing Completed For 300 Park Avenue In Midtown, Manhattan

7:00 am on July 8, 2025 By Max Gillespie

Tishman Speyer has completed a $385 million refinancing of 300 Park Avenue, a 25-story Class A office tower located in Midtown, Manhattan. The financing package includes a $330 million CMBS loan arranged by JPMorgan Chase, with Deutsche Bank Securities and Morgan Stanley participating as co-lenders. An additional $55 million in mezzanine financing was secured from Macquarie Capital Principal Finance. The refinancing proceeds will retire the building’s existing loan.

383 Madison Avenue. Rendering courtesy of JPMorgan.

Renderings Reveal 383 Madison Avenue Overhaul in Midtown East, Manhattan

8:00 am on July 6, 2025 By Michael Young and Matt Pruznick

Renderings have been revealed for the upcoming redevelopment for 383 Madison Avenue, a 47-story office skyscraper in Midtown East, Manhattan. The design firms working on the building revamp include Foster + Partners, Gensler, and Skidmore, Owings & Merrill. The 755-foot-tall structure was originally designed by SOM and spans 1.2 million square feet of office space with the banking investment division of JPMorgan Chase as the principal tenant. The property is bounded by Madison and Vanderbilt Avenues and East 46th and East 47th Streets.

70 Hudson Yards. Photo by Michael Young.

Excavation Underway for 47-Story Office Skyscraper at 70 Hudson Yards in Manhattan

8:00 am on July 1, 2025 By Michael Young and Matt Pruznick

Excavation progressing at 70 Hudson Yards, the site of a 47-story commercial skyscraper in Hudson Yards, Manhattan. Designed by Roger Ferris + Partners and Gensler and developed by Related Companies and Oxford Properties, the 717-foot-tall structure will yield 1.1 million square feet of office space and is planned to become New York’s first zero-carbon emission skyscraper. The property is bounded by West 36th and 35th Streets to the north and south, The Set at 451 Tenth Avenue to the east, and Hudson Boulevard East and Bella Abzug Park to the west.

5 East 59th Street. Developed by Ripco Real Estate.

Rendering Reveals Retail Facelift For 5 East 59th Street on Manhattan’s Upper East Side

7:30 am on June 23, 2025 By Michael Young

Construction is steadily progressing on 5 East 59th Street, an eight-story retail and office redevelopment on Manhattan’s Upper East Side. Developed by Ripco Real Estate with marketing by SERHANT., the project will see an exterior and interior overhaul to the building, updated retail space, column-free office space above, and two full-service amenity floors including a private lounge and rooftop terrace. The commercial property spans 45,350 square feet and is situated on an interior lot by the corner of East 59th Street and Fifth Avenue.

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