4 W 21ST Street #2D
MLS® #RLS10648612
Listing by Sotheby's International Realty, Inc.
3
Bedrooms
3.5
Baths
1,890
Sq. Ft.
2006
Year Built
Quick Summary
Property Highlights
- Views: City
- Exposure: North,South facing
- Outdoor Space: Building Terrace, Terrace
Property Details
Description
With a 270 SF private terrace, 2 bedrooms, a gorgeous home office, and 2.5 bathrooms working from home has never looked so good! Renovated and in excellent condition, apartment 2D offers modern amenities, smart living solutions and a generous layout spanning 1,620 SF. From custom millwork to cove lighting, electronic shades, custom storage solutions and a large private terrace outfitted with water and electric, this home has it all. An inviting foyer welcomes you into this home, with a home office, den, or third bedroom to your left outfitted in custom millwork, sliding pocket doors for privacy, and built-in storage. The large great room is grandly proportioned with an open kitchen, living room and dining area, facing North with excellent light through floor-to-ceiling windows. The stunning, gourmet kitchen is renovated with a waterfall peninsula and breakfast bar, and features Kohler, Sub Zero, Bosch & Miele appliances, a garbage disposal, wine refrigerator and excellent storage. Two South-facing bedrooms overlook the private outdoor oasis of nearly 2760 sf – one of only two in the building (virtually rendered, for inspiration), both bedrooms offering en-suite bathrooms. The primary bedroom has two custom closets, one being a large walk-in, and the spa-like bathroom has heated floors, a double vanity, large soaking tub and glass stall shower. Not to be overlooked are the LV Wood wide-plank oak hardwood floors throughout, a vented W/D, smart-home heating & central A/C with multiple zones, black-out shades & custom window treatments, custom closets and lighting, huge ceiling fans, direct access to an onsite parking garage, and a private entrance to the building's 2,500 SF landscaped outdoor garden complete with a swing set and plenty of seating. 4 West 21st Street offers residents a state-of-the-art fitness center, laundry room, full service staff, 24-hour doorman. Centrally located in Flatiron District just off Fifth Avenue with schools, shopping, fitness centers, restaurants and grocery stores nearby, plus Madison Square Park and Union Square Park blocks away. Condominium rules permit pied-a-terre, sublets, gifting and co-purchasing and is pet friendly.
Features & Amenities
Interior Features
Exterior Features
Appliances
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
5
Price Reduced
31%
Sold (30 Days)
11
Median Sale Price
$2.80M
Live data from RLS at REBNY • Updated 3/25/26, 2:09 AM EST
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Location
4 W 21ST Street #2D, 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. - Katherine Salyi
Listing Contact: (212) 431-2440
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RLS Data display by Keller Williams NYC. Data last updated on 3/25/2026 at 6:09 AM UTC