4 W 21ST Street #6D
MLS® #RLS10097061
Listing by Halstead dba Brown Harris Stevens Residential Sales LLC
2
Bedrooms
3
Baths
1,518
Sq. Ft.
2005
Year Built
Quick Summary
Property Highlights
- Exposure: North,South facing
- Parking: Private garage
Property Details
Description
This luxury 2 Bedroom, 2.5 Bath has it all---elegance, space and comfort. Entertaining is easy with an open kitchen flowing into the large living and dining area. The kitchen has custom white high gloss lacquer cabinets enhanced by Pied Auberge stone counter tops and back splash, a Sub-Zero refrigerator, Miele appliances and a garbage disposal. The living room and master suite have elegant custom designed bookcases. The spacious master suite has a walk in closet, a spa-like bathroom with Kohler Tea for Two bathtub, large glass shower, double sinks, heated floors, Robern medicine cabinets and custom lighting and vanities. The second bedroom has large windows, custom shutters and a full en suite bathroom. There is also a powder room for guests. Floor to ceiling, north and south facing windows, 9'8 ceiling height, central air and a washer-dryer all make this a wonderful home. The building has a contemporary glass and stainless steel facade designed by architects Hugh Hardy and interior designer Antony Todd. Understated elegance with modern comfort. Located just off Fifth Avenue, the location boasts great restaurants, shops and it is close to Madison Square Park. The superior residence has a 24 hour doorman/concierge, 2500 square foot fitness center, a landscaped outdoor terrace with a children's play area. There is onsite parking with direct building access for your convenience. Pets, pied-a-terre and sublets are allowed.
Features & Amenities
Interior 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
119
Median Asking Price
$2.29M
Median $/Sqft
$1,684
Avg Days on Market
N/A
New This Week
7
Price Reduced
30%
Sold (30 Days)
11
Median Sale Price
$2.80M
Live data from RLS at REBNY • Updated 3/26/26, 7:46 PM EST
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Location
4 W 21ST Street #6D, Flatiron, New York County • Near 5th Ave/6th Ave
Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Market Data
RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.
Map & Location
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Listing Courtesy of Halstead dba Brown Harris Stevens Residential Sales LLC - Elise Ehrlich
Listing Contact: (212) 521-5713
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 3/26/2026 at 11:46 PM UTC