Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,890,000

· Closed July 7, 2016

4 W 21st Street #8C
Looking for something similar?
Closed For Sale Co-op

$1,890,000

$1,518 per sq ft

4 W 21st Street #8C

Flatiron, Manhattan

4W21

MLS® #RLS10070148

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 $3,627.81/mo
Neighborhood Flatiron
Floor 8 of 17

Property Highlights

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

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 4
Baths 2 Full
Floor 8 of 17
View City
Exposure North
Cooling Wall Units
Pets Yes
Cross Street 5 AVENUE and AVENUE OF THE AMERICAS
Year Built 2005
Living Area 1,245 sq ft
Parcel # 0822-0045-00004-000-000008C

Description

Modern, elegant and spacious, this airy loft is the best of downtown luxury. Housed in a contemporary building designed by preeminent architect Hugh Hardy and interiors by Anthony Todd, each open space and luxurious feature has been curated to pamper residents with the highest level of comfort. Enter through an oversized solid core door into a foyer that gracefully leads past a covetable chefs kitchen, outfitted in only top-of-the-line fixtures including sleek Poliform Varenna white gloss cabinets, solid Pied Auberge stone countertops, a Sub-Zero refrigerator, Miele gas range and dishwasher, and an extra large Kohler sink with garbage disposal. The sun-flooded living and dining room has floor-to-ceiling windows with motorized shades that face picturesque city views. The iconic views continue in the Master Bedroom, as well as the second bedroom. Two bathrooms offer a spa-like oasis with Glastos honed floors and walls, frameless glass showers, and radiant heating. The posh en-suite Master bath even features an indulgent Tea-for-Two soaking tub. Other luxuries include generous closet space, Bosch washer/dryer, state of the art video security and CAT-5 wiring throughout. Full-service amenities round out the luxurious living experience with 24-hour concierge, full gym, as well as an exclusive 2,500 sq ft landscaped garden and on-site parking for residents.

Features & Amenities

Interior Features

Separate Formal Dining Room Building Washer Dryer Install Allowed Common Area

Building Information

Building 4W21
Total Units 56
Stories 17

Financial Details

Maintenance $3,627.81/mo
Original Price $1,965,000
Sale Price $1,890,000

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

7

Price Reduced

31%

Sold (30 Days)

11

Median Sale Price

$2.80M

Live data from RLS at REBNY • Updated 3/26/26, 10:03 AM EST

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Location

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

Floor Plans

Floor Plan
MLS® ID: RLS10070148
First Listed: 7/8/2016
Closed: 7/7/2016
Contract Date: 4/4/2016

Listing Courtesy of The Corcoran Group - Michelle E. Griffith

Listing Contact: (917) 523-1891

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 3/26/2026 at 2:03 PM UTC

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