Construction Takes Shape at 20 West 15th Street in Manhattan’s Flatiron District

20 West 15th Street. Designed by INPUT.20 West 15th Street. Designed by INPUT.

Exterior work is progressing 20W15, a ten-story residential building at 20 West 15th Street in Manhattan’s Flatiron District. Designed by INPUT who did the facade and interiors, and JCA serving as the architect of record, and developed by Askel America, the structure will yield nine condominium units. The property is located mid-block between Fifth and Sixth Avenues.

The reinforced concrete superstructure has been built to its pinnacle and stands shrouded in scaffolding and construction netting. Most of the grid of windows is already in place within the blue waterproof envelope. Façade installation has yet to begin.

20 West 15th Street. Photo by Michael Young.

20 West 15th Street. Photo by Michael Young.

20 West 15th Street. Photo by Michael Young.

20 West 15th Street. Photo by Michael Young.

20 West 15th Street. Photo by Michael Young.

20 West 15th Street. Photo by Michael Young.

20 West 15th Street. Photo by Michael Young.

20 West 15th Street. Photo by Michael Young.

20 West 15th Street. Photo by Michael Young.

20 West 15th Street. Photo by Michael Young.

The renderings in the main photo and below show the main northern elevation extending closer to the street than its adjacent neighbors. The building will feature a straightforward massing with a lone setback on the eastern side of the tenth floor, creating space for a landscaped terrace. The façade is depicted composed of white paneling with ribbed columns running between the grid of floor-to-ceiling windows.

The Ava at 20 West 15th Street. Designed by JCA.

20 West 15th Street. Designed by INPUT.

The Masters Division at Nest Seekers will handle sales and marketing for the units, which will come in two-bedroom, two-bathroom layouts with an average scope of 1,000 square feet. There will also be a three-bedroom, three-bathroom duplex penthouse spanning 1,300 square feet on the top two stories, complete with a private terrace. A garden duplex on the bottom two floors will also feature a private rear yard.

All homes will be prewired for smart lighting, window treatments, and security. Interiors, designed by INPUT, will feature Emtek door hardware throughout, wire-brushed wide European white oak floors, solid slab interior doors, and washers and dryers. Kitchens will be fitted with thin shaker European rift and quartered white oak cabinetry, Calacatta Monet countertops, backsplashes with bullnose edges, islands with custom fluted rift and quartered white oak, pot fillers and garbage disposals, Miele ranges, and fully integrated appliance packages. Bathrooms will be finished with Rubinet fixtures, custom scalloped white oak vanities with Bianco Dolomite tops, sandblasted and brushed Bulgarian limestone floors, reeded glass showers, Toto wall-hung toilets, and heated floors and towel racks.

Residential amenities will include keyed direct elevator access for each home, bike storage, and a landscaped common roof terrace with al fresco dining. The building will also provide parking through a partnership with the garage next door.

The site was formerly occupied by a three-story residential building constructed in 1920, as seen in the below Google Street View image from before the start of demolition.

20 West 15th Street, circa September 2017. Image via Google Maps.

20 West 15th Street, circa September 2017. Image via Google Maps.

NMR Reality acquired the property in 2001 and had planned on building a 30-room hotel designed by Raymond Chan Architects. The following rendering, revealed in our last update in 2017, depicts the proposed hotel design with a Mondrianesque window grid. The current developer Askel America purchased the lot from NMR for $5.185 million last March.

20 West 15th Street, image by Raymond Chan Architects

20 West 15th Street, image by Raymond Chan Architects

The nearest subways from the ground-up development are the 4, 5, 6, L, N, Q, R and W trains at the 14th Street–Union Square station to the east. The F, M, L, and PATH trains are also nearby to the west at the 14th Street station along Sixth Avenue.

20 West 15th Street’s anticipated completion date is slated for spring/summer 2026, as noted on site.

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15 Comments on "Construction Takes Shape at 20 West 15th Street in Manhattan’s Flatiron District"

  1. Simply B-E-A-U-T-I-FU-L

  2. Well, with nine units, you’ll get to know your neighbors..

  3. This is very nice, a huge improvement over both the former building and the hotel proposal. Having lived in two condominiums considerably larger than nine units, I wonder how the condo governance structure will work with so few units. Half the owners will comprise the board, and there is not much opportunity for board member rotation.

  4. David in Bushwick | February 13, 2026 at 10:36 am | Reply

    Ugh, it sticks out like a dull thumb.
    That’s some fancy entrance…

  5. Weird how it sticks out but the former building did too slightly. Gotta get that floor space in!

    • When I saw the previous building in the photo I realized that that must’ve been the property line many years ago, like 1800s timeframe. I wonder why modern building moved it backwards. Maybe for beauty of adding garden space in front like the one in the right of the photo.

      • The flanking buildings adhere to the setback requirements present in the 1961 zoning code. The old building being replaced likely predated even the 1916 zoning code. The new development is of a FAR and height that a setback was not required nor desirable from a design feature.

  6. Charmless.

  7. It’s like a ten-story “fishbowl”, where EVERYTHING will be on display for the neighbors!

    • The old hotel design looked more like a fish bowl with more glass, and those rounded corners like an actual fish bowl

  8. the stalled project before was a huge eyesore and blight.

    happy to see anything get done here.

  9. In the front it appears to extend beyond the two adjacent buildings. I would have installed lot line windows east and west, I can’t imagine the two adjacent buildings ever being demolished and rebuilt and closing up the windows in this structure. Would code allow window east and west in the front? Would be dramatic.

    • That’s a good question. I’m unaware of any zoning code guideline that would prevent it. Lot line windows are still possible even in situations where the adjacent property could see redevelopment coveringbthem over.

      Better question for an absolute expert in the NYC zoning and building code.

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