4 W 21ST Street #3D
MLS® #RLS10769426
Listing by Sotheby's International Realty, Inc.
2
Bedrooms
3.5
Baths
1,500
Sq. Ft.
2006
Year Built
Quick Summary
Property Highlights
- Exposure: North,South facing
- Climate Control: Central Air
- Parking: Private garage
Property Details
Description
This beautiful 1,500+/- sqft 2 bedroom 2.5 bath condop apartment features a large living and dining space, and an open kitchen with custom Poliform Varenna white high gloss lacquer cabinets, and Pied Auberge stone counter tops and back splash, Sub-Zero refrigerator, Miele appliances and garbage disposal. The open kitchen flows seamlessly into the dining and living area. The master suite is oversized with a custom built out walk-in closet, and the spa like master bathroom has a Kohler Tea for Two bathtub, a large glass shower, double sinks, and features Glastos and Pietra Cardosa in honed finish. All bathrooms feature custom vanities, Robern medicine cabinets and custom lighting. This floor through unit has south facing floor-to-ceiling windows, high ceilings, central air and W/D. 4 West 21st Street was constructed in 2006, it has a contemporary glass and stainless steel facade designed by well-known architect Hugh Hardy, and interior design by Antony Todd who merged understated elegance with modern convenience. Prime location, just off Fifth avenue with outstanding restaurants, shopping (Eataly, Trader Joe's) and steps from Madison Square Park . This superior building offers white glove amenities such as 24 hour doorman/concierge, state of the art fitness center, 2,500 sq ft landscaped outdoor terrace and onsite parking with direct building access. This is a condop (coop with condo rules) so pets, pied-a-terres and sublets are allowed.
Features & Amenities
Exterior Features
Building Information
Financial Details
About Flatiron
View All Flatiron ListingsThe Flatiron District is a vibrant intersection of history, technology, and luxury living. Named after the iconic Flatiron Building, the neighborhood is centered around Madison Square Park and is a hub for the city's 'Silicon Alley.' The real estate market is famous for its grand cast-iron loft buildings with high ceilings and expansive floor plans, alongside ultra-luxury glass towers that offer modern amenities and central Manhattan convenience.
Flatiron Live Market Data
View NeighborhoodActive Listings
121
Median Asking Price
$2.29M
Median $/Sqft
$1,678
Avg Days on Market
N/A
New This Week
6
Price Reduced
31%
Sold (30 Days)
11
Median Sale Price
$2.80M
Live data from RLS at REBNY • Updated 3/25/26, 3:45 PM EST
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Location
4 W 21ST Street #3D, Flatiron, New York County
Floor Plans
Listing Data
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Market Data
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Map & Location
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Listing Courtesy of Sotheby's International Realty, Inc. - Lee Summers
Listing Contact: (917) 330-4942
Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing 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. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
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RLS Data display by Keller Williams NYC. Data last updated on 3/25/2026 at 7:45 PM UTC