660 Lexington Avenue Wraps Up Construction in Midtown East, Manhattan

660 Lexington Avenue. Photo by Michael Young.660 Lexington Avenue. Photo by Michael Young.

Construction is wrapping up on 660 Lexington Avenue, an 18-story residential building in Midtown East, Manhattan. Designed by S20M and developed by Rybak Development, the 233-foot-tall structure spans 52,558 square feet and yields 31 condominium units with an average scope of 2,123 square feet. The project also contains 2,551 square feet of ground-floor commercial space, 1,174 square feet of community facility space, and a cellar level. Zproekt Architecture was the project architect, and Paris Forino is the interior designer for the property, which is alternately addressed as 133 East 55th Street and located at the corner of Lexington Avenue and East 55th Street.

Nearly all exterior work has concluded since our last update in early October, when the upper levels were beginning to emerge from behind the shroud of scaffolding and black netting that still covered most of the structure. The following photos show the finished look of the façade, which features light fluting on the vertical panels surrounding the window grid. Some fencing and sidewalk barriers remain around the ground floor, and finishing touches are still wrapping up at the southeast corner while crews work to complete the interiors.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

660 Lexington Avenue. Photo by Michael Young.

Most of the units offer full-floor layouts. There are also some two- and three-bedroom units, and the penthouse spans three stories. Homes come with 11-foot-high ceilings, Miele appliance package, Isenberg bathroom fixtures, and oak herringbone floors. The Eklund | Gomes Team is handling sales and marketing.

The penthouse at 660 Lexington Avenue. Rendering courtesy of S20M.

The penthouse at 660 Lexington Avenue. Rendering courtesy of S20M.

The penthouse at 660 Lexington Avenue. Rendering courtesy of S20M.

The penthouse at 660 Lexington Avenue. Rendering courtesy of S20M.

660 Lexington Avenue. Rendering courtesy of S20M.

660 Lexington Avenue. Rendering courtesy of S20M.

660 Lexington Avenue. Rendering courtesy of S20M.

660 Lexington Avenue. Rendering courtesy of S20M.

Residential amenities are expected to span 5,000 square feet and include an 11th-floor loggia, a rooftop deck with a grilling station, and a cellar level with a fitness center and spa.

The lobby at 660 Lexington Avenue. Rendering courtesy of S20M.

The lobby at 660 Lexington Avenue. Rendering courtesy of S20M.

The lobby at 660 Lexington Avenue. Rendering courtesy of S20M.

The lobby at 660 Lexington Avenue. Rendering courtesy of S20M.

The loggia at 660 Lexington Avenue. Rendering courtesy of S20M.

The loggia at 660 Lexington Avenue. Rendering courtesy of S20M.

The loggia at 660 Lexington Avenue. Rendering courtesy of S20M.

The loggia at 660 Lexington Avenue. Rendering courtesy of S20M.

The fitness center at 660 Lexington Avenue. Rendering courtesy of S20M.

The fitness center at 660 Lexington Avenue. Rendering courtesy of S20M.

The site was formerly occupied by a two-story commercial structure, as seen in the below Google Street View image from before its demolition. Rybak Development purchased the property from the Biagi family for $24 million in December 2021.

656 Lexington Avenue in Midtown East, Manhattan via Google Maps

The closest subways from the ground-up development are the E and M trains at the Lexington Avenue–53rd Street station to the south, with a connection to the local 6 train at the 51st Street station.

YIMBY expects the last bit of interior and exterior work to conclude in the coming months.

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13 Comments on "660 Lexington Avenue Wraps Up Construction in Midtown East, Manhattan"

  1. Clean design complementary of a couple other new builds in the area.

  2. Looks great

  3. Gorgeous photographs Mr. Young!

  4. David in Bushwick | March 12, 2026 at 10:59 am | Reply

    Is the exterior terracotta? It’s a very simple, clean and pleasing design. The cantilevered bulkhead is the only unfortunate part, but most people will never notice it.

  5. Very easy on the eyes.

  6. Nice views of the Chrysler Building in these renderings, quite a selling point..

  7. The flat cladding on the outside corner radius though…

    So close.

  8. that location has been screaming for development since forever.

    looks good – clean and classy.

    why not taller? at least to block the lot line wall of the mid block hotel.

  9. Kyle Wiedmeyer | March 12, 2026 at 9:11 pm | Reply

    I think it looks better up close

  10. Love the curved glass. And isn’t Central Synagogue a masterpiece?

  11. Right next-door to the famous or infamous sliver building

  12. Looks great! That building next to it with the green circular balls is a beaut!😍

  13. Much better looking than that jenga tower wannabe at 56(with the bizarre far off entrance on 57)

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