Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $2,225,000

· Closed January 16, 2014

4 W 21st Street #8B
Closed For Sale Co-op

$2,225,000

$1,483 per sq ft

4 W 21st Street #8B

Flatiron, Manhattan

4W21

MLS® #RLS10046758

RLS at REBNY

Listing by The Corcoran Group

2

Bedrooms

3

Baths

1,500

Sq. Ft.

2005

Year Built

Quick Summary

Bedrooms 2
Bathrooms 3
Living Area 1,500 sq ft
Year Built 2005
Ownership Co-op
Maintenance $3,719/mo
Neighborhood Flatiron
Floor 8 of 17

Property Highlights

  • Views: City
  • Exposure: North,South facing
  • Climate Control: Wall Units

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 5
Baths 3 Full
Floor 8 of 17
View City
Exposure North,South
Cooling Wall Units
Pets Yes
Cross Street 5 AVENUE and AVENUE OF THE AMERICAS
Year Built 2005
Living Area 1,500 sq ft
Parcel # 0822-0045-00004-000-000008B

Description

This is the apartment youve waited for. This stunning two bedroom, three full-bath home in one of Flatiron/Chelseas nicest new buildings has everything from the best designer finishes to Empire State Building views and abundant storage space. The open kitchen features Poliform cabinets, Sub-Zero and Miele appliances, Pied Auberge stone countertops and opens to an oversized living room with northern views to the Empire State Building. The master suite is generously proportioned and boasts an enormous walk-in closet and en-suite five-fixture bath with Kohler Tea-for-two soaking tub. A second bedroom also includes a beautiful en-suite bath and ample storage while a full third bath is great for guests. High ceilings, washer/dryer and handsome dark floors make for a truly striking home.4 West 21 is one of the best regarded full service buildings in Flatiron/Chelsea. Designed by Hugh Hardy with Interior design by Antony Todd, the building is understated yet elegant. The building offers full condo rules and allows subletting, co-purchasing and pied-a-terres. Located steps from major subways, Madison Square Park, Union Square, Eataly and countless restaurants, the building offers full-time doormen, live-in super, garage, fitness center and common landscaped terrace.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed Common Area

Building Information

Building 4W21
Total Units 56
Stories 17

Financial Details

Maintenance $3,719/mo
Original Price $2,100,000
Sale Price $2,225,000
Previous Price $2,100,000

The 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 Neighborhood

Active 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, 12:06 PM EST

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Location

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4 W 21st Street #8B, Flatiron, New York County • Near 5 AVENUE and AVENUE OF THE AMERICAS

Floor Plans

Floor Plan
Floor Plan
MLS® ID: RLS10046758
First Listed: 10/16/2013
Price Changed: 1/17/2014
Closed: 1/16/2014
Contract Date: 1/17/2014

Listing Courtesy of The Corcoran Group - Noble Black

Listing Contact: (347) 526-3308

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.

Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.

Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 3/27/2026 at 4:06 PM UTC

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