Office

Brooklyn Detention Complex Rises at 275 Atlantic Avenue in Boerum Hill, Brooklyn

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

Construction is rising on the Brooklyn Detention Complex, a 15-story jail complex at 275 Atlantic Avenue in Boerum Hill, Brooklyn. Designed by HOK and developed by the NYC Department of Design and Construction, the 339-foot-tall structure will span 712,150 square feet with a capacity of 1,040 inmates. The project will also include 30,000 square feet of community facility space, two cellar levels, two loading berths, 100 enclosed parking spaces, and an underground tunnel connecting to the adjacent courthouse. The redevelopment will replace the defunct Brooklyn Detention Complex and is bounded by Atlantic Avenue, Boerum Place, and Smith and State Streets.

346 Madison Avenue. Developed by Delv Holdings.

Rendering Reveals Proposed Skyscraper at 346 Madison Avenue, aka 44+Madison, in Midtown East, Manhattan

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

A conceptual rendering has been released for 346 Madison Avenue, aka 44+Madison, a proposed 41-story office skyscraper in Midtown East, Manhattan. Developed by Delv Holdings, the 643-foot-tall structure has the potential to become an 800,000-square foot tower with a Floor to Area Ratio (FAR) of 26.0, resulting in floor plates spanning between 19,000 to 22,000 square feet. The property is located at the corner of Madison Avenue and East 44th Street within the Greater Midtown East Rezoning District, and also includes the adjacent property at 11 East 44th Street.

430 West Broadway. Photo by Michael Young.

430 West Broadway Completes Construction in Soho, Manhattan

7:30 am on August 29, 2025 By Michael Young and Matt Pruznick

Construction is finished on 430 West Broadway, a seven-story commercial building in the Soho Cast Iron District. Designed by Morris Adjmi Architects and developed by New Soho Associates, the 40,000-square-foot project was approved by the Landmarks Preservation Commission in early 2019 and yields office space and both ground-floor retail and community facility spaces. The property is located between Prince and Spring Streets.

JPMorgan Chase Tower Opens to First Employees at 270 Park Avenue in Midtown East, Manhattan

8:00 am on August 26, 2025 By Michael Young and Matt Pruznick

Employees have begun moving into the JPMorgan Chase Tower, the financial titan’s 1,389-foot-tall headquarters at 270 Park Avenue in Midtown East. Designed by Norman Foster of Foster + Partners and developed by Tishman Speyer, the 60-story supertall skyscraper yields 2.5 million square feet of office space with a capacity of 14,000 employees, and is the tallest structure in New York completely powered by hydroelectric energy. Adamson Associates was the architect of record and Gensler is the workplace designer for the $3 billion 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.

Construction Nearing Completion At 1 Wythe Avenue in Greenpoint, Brooklyn

7:30 am on August 26, 2025 By Michael Young and Matt Pruznick

Construction is nearing completion on 1 Wythe Avenue, a seven-story commercial building within the Greenpoint-Williamsburg Industrial Business Zone (IBZ) in Greenpoint, Brooklyn. Designed by StudiosC, the 97-foot-tall project structure spans 78,842 square feet. Of this total, approximately 41,000 square feet is devoted to light manufacturing on the cellar, first, and fourth floors. The remainder will be allotted for offices. The property is bounded by Banker Street, North 15th Street, and Wythe Avenue.

623 Fifth Avenue, via Cohen Brothers Realty

Vornado Realty Trust To Acquire And Redevelop 623 Fifth Avenue In Midtown, Manhattan

7:00 am on August 26, 2025 By Max Gillespie

Vornado Realty Trust has announced an agreement to acquire the office condominium at 623 Fifth Avenue in Midtown, Manhattan for $218 million. Built in 1990, the 36-story, 382,500-square-foot tower sits above the Saks Fifth Avenue flagship store and was originally designed by Abramovitz Kingsland Schiff for the Swiss Bank. The building is currently 75 percent vacant and will be repositioned into a Class A boutique office building as part of Vornado’s broader Midtown portfolio. The property is located between East 49th and 50th Streets.

305 Calyer Street. Photo by Michael Young.

Work Resumes on 305 Calyer Street in Greenpoint, Brooklyn

7:30 am on August 19, 2025 By Michael Young

Exterior work is progressing on 305 Calyer Street, a six-story commercial building in Greenpoint, Brooklyn. Developed by Samuel Yakobowicz of Greenpoint Industrial Services Corp., the 72-foot-tall structure will yield five floors of office space and an automotive repair shop and car wash on the first story. The 52,000-square-foot property is located at the intersection of Calyer and Jewel Streets.

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.

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