4 W 21st Street #3A
MLS® #RLS10058811
Listing by The Corcoran Group
2
Bedrooms
2
Baths
1,225
Sq. Ft.
2005
Year Built
Quick Summary
Property Highlights
- Exposure: South facing
- Climate Control: Central Air
Property Details
Description
Ultra modern triple mint 2BR/2Bath home. Designed by pre-eminent architect Hugh Hardy with interiors by Anthony Todd. This spacious 1225 sq/ft loft like home has floor to ceiling windows flooding the space with southern light. Open gourmet kitchen features Poliform Varenna high gloss lacquer cabinets, stone counter tops and backsplash plus Miele and Sub-Zero appliances. Bathrooms feature Glastos & Pietra Cardosa marble and Kohler fixtures. Master Suite with walk in closet/dressing room and en-suite 5 piece bath. Apartment includes full size washer/dryer, custom California closets, solar blinds with black-out shades, central air conditioning, State-of-the-art security/video intercom and Cat 5e wiring throughout.4 W 21st Street offers every amenity. Only four apartments per floor, 24-hr doorman, fully equipped gym, 2500 sq/ft landscaped common outdoor space with swing set. Parking in building. 421A tax abatement. Steps off Fifth Avenue and close to Madison Square Park, Union Square, Eataly, Trader Joes and all Subway lines.
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
120
Median Asking Price
$2.27M
Median $/Sqft
$1,690
Avg Days on Market
N/A
New This Week
6
Price Reduced
30%
Sold (30 Days)
10
Median Sale Price
$2.80M
Live data from RLS at REBNY • Updated 3/27/26, 12:07 PM EST
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Location
4 W 21st Street #3A, Flatiron, New York County • Near 5 AVENUE and AVENUE OF THE AMERICAS
Floor Plans
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
OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.
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Listing Courtesy of The Corcoran Group - Dennis J Margulies
Listing Contact: (212) 645-4040
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RLS Data display by Keller Williams NYC. Data last updated on 3/27/2026 at 4:07 PM UTC