Extell Development files plans for 58-unit tower in Lincoln Square
Pre-demolition showing location of future project 37 West 66th Street location on Google Earth
Extell Development submitted a new building construction project for a 58-unit, 230,914 square-foot residential (R-2) building at 27 and 37 West 66th Street in Lincoln Square, Manhattan. The plan was filed with the New York City Department of Buildings on November 14, 2025 under job number M01316302. It calls for the construction of a 355-foot-tall, 25-story building. The project is described in the filing as: new 25-story residential building with subcellar, cellar, roof, and bulkheads, includes 58 dwelling units and amenity spaces. David Rothstein of Extell Development filed the plans. The architect is Stephen B. Jacobs Group.
This project is one of several new buildings planned for the block.
This building is planned just south of Extell’s 50-unit 30 West 67th Street, filed in December 2024.

The project calls for retail on the first floor, amenities on the second floor and fourth floor, mechanicals on the third floor. The apartments start on the fifth floor, with four units each from floors four to 12; three units each from 13 to 17; two units each on floors 18 to 21; and one unit each on floors 22, 23 and 24. The 25th floor is mechanical.
37 West 66th Street
| wdt_ID | wdt_created_by | wdt_created_at | wdt_last_edited_by | wdt_last_edited_at | floor | comment | description | persons_permitted | occupancy_label | zoning_use | dwelling_units |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | Sub-Cellar - 1 | AMENITY AND STORAGE SPACES ACCESSORY TO R-2 USE; NO DWELLING UNITS ON THIS FLOOR. | Apartment | N/A | Residential | ||
| 2 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | Sub-Cellar - 1 | STORAGE AND MECHANICAL | Storage of non combustible Materials | N/A | Storage | ||
| 3 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | Cellar | MECHANICAL LAUNDRY STORAGE | Storage of non combustible Materials | N/A | Storage | ||
| 4 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | 1 | LOBBY | Apartment | N/A | Residential | ||
| 5 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | 1 | RETAIL | Retail Sale | N/A | Mercantile | ||
| 6 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | 2 | AMENITY (RECREATION SPACES) | Apartment | N/A | Residential | ||
| 7 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | 3 | MECHANICAL | Storage of non combustible Materials | N/A | Storage | ||
| 8 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | 4 | AMENITY | Apartment | N/A | Residential | ||
| 9 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | 5 | 4 DWELLING UNITS | Apartment | N/A | Residential | 4 | |
| 10 | acris | 11/17/2025 08:45 AM | acris | 11/17/2025 08:45 AM | 6 | 4 DWELLING UNITS | Apartment | N/A | Residential | 4 |
The property
The zoning is C4-7 which allows for up to 10 times floor area ratio (FAR) for commercial and up to 10 times FAR for residential with inclusionary housing. The property is in the Upper West Side / Central Park West Historic District. The city-designated market value for the property in 2022 is $86.5 million. The most recent loan totaled $850 million and was provided by Guggenheim Partners on March 18, 2022.
Prior sales and revenue
This property was sold with 6 other properties by Silverstein Properties for $931 million to Extell Development on March 18, 2022.
Development
David Rothstein of Extell Development submitted a new building construction project for a 58-unit, 230,914 square-foot residential (R-2) building at 37 West 66 Street. The plan was filed on November 14, 2025. It calls for the construction of a 355-foot tall, 25-story building and was filed with the New York City Department of Buildings under job number M01316302. The architect is Stephen B Jacobs Group Pc. The project is described in the filing as: new 25-story residential building with subcellar, cellar, roof, and bulkheads. includes 58 dwelling units and amenity spaces.
For the tax lot building, it received its initial certificate of occupancy on February 7, 2013.
Violations and lawsuits
According to city public data, the property has received $1,000 in OATH penalties in the last year.
There were no lawsuits or bankruptcies filed against the property for the past 24 months.
The neighborhood
In Lincoln Square, The majority, or 61 percent of the 19.1 million square feet of commercial built space are elevator buildings, with specialty buildings next occupying 24 percent of the space. In sales, Lincoln Square has near average sales volume among other neighborhoods with $313.1 million in sales volume in the last two years and is the 27th highest in Manhattan. For development, Lincoln Square has near average amount of major developments among other neighborhoods and is the 7th highest in Manhattan. It had 5.3 million square feet of commercial and multi-family construction under development in the last two years, which represents 28 percent of the neighborhood’s built space.
The block
On this tax block, PincusCo has identified the owners of five of the five commercial properties representing 998,364 square feet of the 998,364 square feet. The identified owner is Extell Development. On the tax block, there were two new building construction projects totaling 306,865 square feet. The largest is a 58-unit, 230,914 square-foot residential (R-2) building submitted by Extell Development and filed by David Rothstein with plans filed November 14, 2025 and it has not been permitted yet. The second largest is a 50-unit, 75,951 square-foot residential (R-2) building submitted by Extell Development and filed by David Rothstein with plans filed December 5, 2024 and it has not been permitted yet.
The owner
The PincusCo database currently indicates that Extell Development owned at least 63 commercial properties with 691 residential units in New York City with 2,788,853 square feet and a city-determined market value of $805 million. (Market value is typically about 50% of actual value.) The portfolio has $7.3 billion in debt, with top three lenders as Guggenheim Partners, Blackstone Group, and JVP Management respectively. Within the portfolio, the bulk, or 39 percent of the 2,788,853 square feet of built space are specialty properties, with elevator properties next occupying 21 percent of the space. They are all located in Manhattan.
The surrounding
Within a 400-foot radius of 9 West 66 Street, PincusCo identified nine commercial real estate items of interests occurred over the past 24 months. Of those nine items, three were for major renovation including a certificate of occupancy change. They were two permit applications with a total initial cost of $12.5 million and one permit with a total initial cost of $8 million. The most recent of these three items was the filing on October 17, 2025 for a 548,536-square-foot 56 building with zero residential units at 56 West 66th Street. Of those nine items, four were sales above $5 million totaling $62.9 million. The most recent of the four was Aurec Capital which bought the 13,380-square-foot, 15-unit rental (D1) on 12 West 68th Street for $8.9 million from Thijs Menger on November 3, 2025. Of those nine items, two were loans above $5 million totaling $56.5 million. The most recent of the two was Park Ten cooperative in which borrowed $35 million from Bank of America secured by the 400,000-square-foot, 277-unit co-op (D4) on 5 West 65th Street on March 17, 2025.
Direct link to the property’s ACRIS page and link to DOB NOW portal.
