Extell Development

1522 First Avenue Rises Above Street Level on Manhattan’s Upper East Side

7:30 am on November 6, 2023 By Michael Young and Matt Pruznick

Construction is rising on 1522 First Avenue, a 30-story medical office building in the Yorkville section of Manhattan’s Upper East Side. Designed by Perkins Eastman and developed by Extell Development Company, the structure will yield 400,000 square feet of Class A office space and retail space on the ground floor and cellar levels. The Hospital for Special Surgery has signed on as the anchor tenant and will occupy 200,000 square feet across the first eight stories of the building. Ancora Engineering is the engineer of record and Lendlease is the general contractor for the property, which is alternately addressed as 403 East 79th Street and located between East 79th and 80th Streets.

Rendering of 50 West 66th Street - Snøhetta

50 West 66th Street Gains Prominence Above Manhattan’s Upper West Side

8:00 am on August 21, 2023 By Michael Young and Matt Pruznick

Construction continues to rise on 50 West 66th Street, a 69-story residential skyscraper on Manhattan’s Upper West Side. Designed by Snøhetta with SLCE Architects as the executive architect and developed by Extell and Tennor Holding, the 775-foot-tall structure will yield 127 condominium units and stand as the tallest building on the Upper West Side. Lendlease is the general contractor for the project, which is located on an interior lot between Columbus Avenue and Central Park West with frontage on both West 65th and West 66th Streets.

Foundations Near Completion for 31-Story Hotel at 32 West 48th Street in Midtown, Manhattan

8:00 am on July 30, 2023 By Michael Young

Foundation work is nearing completion at 32 West 48th Street, the site of an upcoming 31-story hotel tower in Midtown, Manhattan’s Diamond District. Designed by SLCE Architects and developed by Extell, the 456-foot-tall structure will yield 213,158 square feet with 534 guest rooms. AECOM Tishman is the general contractor for the project, which is located between Fifth and Sixth Avenues, directly south of Rockefeller Center.

Foundations Underway for Extell’s 403 East 79th Street on Manhattan’s Upper East Side

8:00 am on May 16, 2023 By Michael Young and Matt Pruznick

Foundation work is underway at 403 East 79th Street, the site of a 30-story medical office building in the Yorkville section of Manhattan’s Upper East Side. Designed by Perkins Eastman and developed by Extell Development Company, the structure will yield 400,000 square feet of Class A offices and retail space on the ground floor and cellar levels. The Hospital for Special Surgery has signed on as the anchor tenant and will occupy 200,000 square feet across the first eight stories. Ancora Engineering is the engineer of record and Lendlease is the general contractor for the property, which is alternatively addressed as 1522 First Avenue and located between East 79th and East 80th Streets.

Extell’s 570 Fifth Avenue Supertall Awaits Excavation in Midtown, Manhattan

8:00 am on April 28, 2023 By Michael Young and Matt Pruznick

Demolition is complete at 570 Fifth Avenue, the site of a potential 1,101-foot mixed-use supertall in the Diamond District of Midtown, Manhattan. Developed by Extell, the project could either unfold as a 78-story, 1.4-million-square-foot hotel and condominium tower or as an 860-foot-tall, 47-story office skyscraper yielding more than 1.5 million square feet. ALBA Services was the demolition contractor for the property, which spans between West 46th and West 47th Streets.

Excavation at 740 Eighth Avenue Progresses Further Below Street Level in Midtown, Manhattan

8:00 am on April 20, 2023 By Michael Young and Matt Pruznick

Excavation is progressing at 740 Eighth Avenue, the site of a 52-story supertall hotel and observation tower in Midtown, Manhattan. Designed by ODA with SLCE Architects as the architect of record and developed by Extell, the 1,067-foot-tall skyscraper will yield 776,000 square feet with 825 hotel rooms in its lower half and a public observatory with a drop ride attraction above. The unconventionally-shaped structure will also contain retail space, two upper restaurant floors, and a pool deck for guests. Lendlease is the general contractor, WSP is the structural engineer, and Ancora Engineering is handling excavation and foundations for the property, which is located on an expansive lot along Eighth Avenue between West 45th and 46th Streets on the border of Times Square and Hell’s Kitchen.

50 West 66th Street Climbs Past Podium Levels on Manhattan’s Upper West Side

8:00 am on March 20, 2023 By Michael Young and Matt Pruznick

Construction is progressing on 50 West 66th Street, a 69-story residential skyscraper and the future tallest building on Manhattan’s Upper West Side. Designed by Snøhetta with SLCE Architects as the executive architect and developed by Extell and Tennor Holding, the 775-foot-tall structure will yield 127 condominium units. Lendlease is the general contractor for the project, which is located on an interior lot between Columbus Avenue and Central Park West with frontage on both West 65th and West 66th Streets.

32 West 48th Street’s Foundations Take Shape in Midtown, Manhattan

7:30 am on January 1, 2023 By Michael Young and Matt Pruznick

Foundation work is progressing at 32 West 48th Street, the site of a 31-story hotel tower in Midtown, Manhattan’s Diamond District. Designed by SLCE Architects and developed by Extell, the 456-foot-tall structure will span 213,158 square feet with 534 hotel rooms. AECOM Tishman is the general contractor for the project, which is located between Fifth and Sixth Avenues, directly south of Rockefeller Center.

Demolition Concludes for Extell’s Potential Supertall at 570 Fifth Avenue in Midtown, Manhattan

8:00 am on December 29, 2022 By Michael Young and Matt Pruznick

At number three on our December countdown of the tallest buildings underway in New York is 570 Fifth Avenue, a potential 1,101-foot supertall in Midtown, Manhattan. Developed by Extell, the skyscraper could rise 78 stories and span 1.4 million square feet with hotel and condominium components. Alternately, the plot could give rise to an 860-foot-tall, 47-story office tower yielding more than 1.5 million square feet. ALBA Services is the general contractor for the property, which is located at the northwest corner of Fifth Avenue and West 46th Street.

Excavation Underway for Supertall Hotel and Observation Tower at 740 Eighth Avenue in Midtown, Manhattan

8:00 am on December 27, 2022 By Michael Young and Matt Pruznick

Leading off the top five in our year-end countdown of the tallest construction projects underway in New York is 740 Eighth Avenue, a planned 1,067-foot hotel and observation tower in Midtown, Manhattan. Designed by ODA with SLCE Architects as the architect of record and developed by Extell, the 52-story supertall will span 776,000 square feet with 825 hotel rooms on the lower half and a public observatory with a drop ride attraction on the upper levels. The project will also feature retail space, two upper restaurant floors, and a pool deck. Lendlease is the general contractor, WSP is the structural engineer, and Ancora Engineering is handling the excavation and foundations for the property, which is located between West 45th and 46th Streets on the border of Times Square and Hell’s Kitchen.

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