4 W 21ST Street #PH
MLS® #RLS10082095
Listing by Halstead dba Brown Harris Stevens Residential Sales LLC
2
Bedrooms
2
Baths
N/A
Sq. Ft.
2005
Year Built
Quick Summary
Property Highlights
- Exposure: East,North,South,West facing
- Parking: Private garage
- New Construction: Brand new building
Property Details
Description
This lovley 17th floor penthouse designed by Hugh Hardy delivers the visual feast you desire. This is the perfect home for entertaining with 360 degree views, 2,487 interior square feet and 424 square feet of set-back terraces off the living area and master suite. Soaring ceilings and tall doors create a lofty feel. The kitchen is Poliform by Varenna with intergrated Sub-Zero and Miele appliances. Bang & Olufsen surround sound is throughout and wall mounted flat-screen televisions are in most rooms. Electronic window treatment, a large laundry room plus abundant storage completes this lovely home. Amenities: 24 hr Concierge, fully-equipped Gym, garage, storage and a common garden. The location can't be beat - steps to Madison Square Park, Union Square Farmers' Market, Eataly, Trader Joes, Whole foods, Fifth Avenue shopping, and many of the best restaurants in the city are nearby... Pets are welcome!
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
5
Price Reduced
30%
Sold (30 Days)
10
Median Sale Price
$2.80M
Live data from RLS at REBNY • Updated 3/27/26, 5:54 AM EST
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Location
4 W 21ST Street #PH, 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 - Barbara Licalzi
Listing Contact: (212) 381-4228
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 3/27/2026 at 9:54 AM UTC