Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,525,000

· Closed August 2, 2018

4 W 21st Street #4C
Looking for something similar?
Closed For Sale Co-op

$1,525,000

$1,225 per sq ft

4 W 21st Street #4C

Flatiron, Manhattan

4W21

MLS® #RLS10466773

RLS at REBNY

Listing by The Corcoran Group

2

Bedrooms

2

Baths

1,245

Sq. Ft.

2005

Year Built

Quick Summary

Bedrooms 2
Bathrooms 2
Living Area 1,245 sq ft
Year Built 2005
Ownership Co-op
Maintenance $4,177/mo
Neighborhood Flatiron
Floor 4 of 17

Property Highlights

  • Views: City
  • Exposure: South facing
  • Climate Control: Central Air

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 5
Baths 2 Full
Floor 4 of 17
View City
Exposure South
Cooling Central Air
Pets Yes
Cross Street 5 AVENUE and AVENUE OF THE AMERICAS
Year Built 2005
Living Area 1,245 sq ft
Parcel # 0822-0045-00004-000-000004C

Description

This fantastic two bedroom two bathroom home offers the building's very best layout. This loft-like Downtown-chic apartment provides great light through its floor to ceiling windows and is located in the center of one of the best and most exciting New York neighborhoods, the Flatiron District. Chef's kitchen with top name appliances including Sub Zero refrigerator, Miele cooktop and in sink garbage disposal. Excellent closet space, all of which have been thoughtfully custom designed and appointed by Roche Bobois, full size washer/dryer which is also vented out. Spectacular and oversized master bathroom offers a deep soaking tub in addition to a separate shower stall, dual sinks, and radiant heated floor. 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 type rules and allows subletting, co-purchasing and pied-a-terres. Pet and Investor friendly.Located near 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 $4,177/mo
Original Price $1,595,000
Sale Price $1,525,000
Previous Price $1,595,000

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

121

Median Asking Price

$2.29M

Median $/Sqft

$1,678

Avg Days on Market

N/A

New This Week

6

Price Reduced

31%

Sold (30 Days)

11

Median Sale Price

$2.80M

Live data from RLS at REBNY • Updated 3/25/26, 3:45 PM EST

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Location

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

Floor Plans

Floor Plan
Floor Plan
MLS® ID: RLS10466773
First Listed: 5/10/2018
Price Changed: 6/6/2018
Closed: 8/2/2018
Contract Date: 5/10/2018

Listing Courtesy of The Corcoran Group - Jason Kay

Listing Contact: (917) 301-7193

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 3/25/2026 at 7:45 PM UTC

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