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Open House
Thu, Oct 29 · 5:00PM–6:00PM
Open House
Thu, Oct 29 · 5:00PM–6:00PM
$749,000
MLS# RLS20113338 · Sutton Place
Listed September 8, 2026 · 48 days on the market
1 Beds 2 Baths 945 Sq.Ft.
Welcome to Apartment 23F at Plaza 400, a spacious one-bedroom, one-and-a-half-bath residence offering the highly sought-after F-line layout. This home presents a wonderful opportunity to create a space that reflects your own personal style.A welcoming foyer opens into an expansive living and dining area, highlighted by oversized windows that frame open city views, beautiful skies, and fill the home with natural light from its northern and western exposures. The generously proportioned king-sized bedroom offers excellent closet space and an en-suite full bath with a stall shower. Off the foyer, you'll find additional walk-in closet space, a well-proportioned kitchen, and a convenient powder room for guests.With its spacious layout, abundant storage, open city views, and endless possibilities, Apartment 23F is ready to be transformed into a beautiful custom home in one of Sutton Place's most desirable full-service cooperatives.At Plaza 400, residents enjoy a wide range of amenities, including a brand-new Sky Top Lounge, an outdoor heated rooftop pool with sweeping city views, and a children's playroom - all located on the top floor. Additional features include a fully equipped fitness center with yoga/stretching studio, professional-grade laundry facilities, bicycle storage, and concierge services. A 24-hour doorman, on-site security, and a live-in superintendent and assistant superintendent ensure attentive service and peace of mind.The building is pet-friendly and permits pieds-à-terre, co-purchasing, guarantors, and parents purchasing for children. Monthly maintenance includes all utilities.Conveniently located near dining, shopping, parks, and multiple transportation options, Plaza 400 offers a refined and service-oriented lifestyle in one of Manhattan's most established neighborhoods.

Curtis Bain
Brown Harris Stevens
Services and facilities
Wellness and recreation
Outdoor space
Some building amenities are reported on other current listings in this building. Confirm amenities and building policies before relying on them.
Estimate
The rate is a placeholder, not a quote. Enter the one your lender gives you.
$6,033 / month
Co-op share loans aren't subject to mortgage recording tax. Not included: attorney, title insurance, lender and appraisal fees, board application and move-in fees, flip tax and prepaid items. Estimates only, based on the published New York State rates. Your attorney and lender will confirm the real figures.
Gallery
Listing Courtesy of Coldwell Banker Warburg
This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., All rights reserved.
400 E 56TH Street is a 38-story elevator cooperative in Sutton Place, completed in 1969 and home to 629 residential units. The most recent major alteration on record was in 2014.
The closest subway is Lexington Av/53 St (6, E, F), about a 8-minute walk. East River Walk is roughly 4 minutes away on foot.
Compiled from NYC public records and open data.
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400 E 56TH Street 23F
Walking times are estimates. Schools shown are the nearest public and charter schools and are not zone assignments; a nearby school is not necessarily the one an address is zoned for. Confirm zoning with the NYC Department of Education. Sources: MTA, NYC Parks and NYC Department of City Planning open data.
The Neighborhood
A serene East River enclave of grand cooperatives and old-world Manhattan exclusivity.
Walkability
8/10
Public transit
8/10
Schools
7/10
Dining
7/10
Groceries & parks
8/10
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Listing Courtesy of Keller Williams NYC
Open House
Thu, Oct 29 · 5:00PM–6:00PM
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