Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,244,000

· Closed April 19, 2018

4 W 21ST Street #11C
Looking for something similar?
Closed For Sale Condop

$1,244,000

$1,159 per sq ft

4 W 21ST Street #11C

Flatiron, Manhattan

MLS® #RLS10819524

RLS at REBNY

Listing by Sotheby's International Realty, Inc.

1

Bedroom

2

Baths

1,073

Sq. Ft.

2006

Year Built

Quick Summary

Bedrooms 1
Bathrooms 2
Living Area 1,073 sq ft
Lot Size 9,384 sq ft
Year Built 2006
Ownership Condop
HOA/Common Charges $2,659/mo
Parking Garage
Neighborhood Flatiron
Floor 11 of 17

Property Highlights

  • Parking: Private garage

Property Details

Type Condop
Ownership Condop
Total Rooms 3
Baths 2 Full
Floor 11 of 17
Pets Yes
Year Built 2006
Living Area 1,073 sq ft
Parking Garage Available
Lot Size 9,384 sq ft
Parcel # 0822-0045-00004-000-000011C

Description

Designed by renowned architect Hugh Hardy and located in the heart of the Flatiron district, Residence 11C exudes luxury. This home is a pristine, beautiful and large loft-like one bedroom, two bathroom apartment, beautifully appointed and punctuated with tasteful design details. It boasts sound-proof windows that stretch the entire length of the apartment providing every room with ample sunlight, peace and tranquility. At night it is pin-drop quiet. This distinguished and chic apartment boasts ceiling heights of nearly 10 feet, solid core doors and quarter sawn oak flooring. A spacious living and dining area boasts an abundance of closet and storage space and features an open kitchen with Poliform Varenna high gloss lacquer cabinets with Sub-Zero and Miele appliances, a garbage disposal and Pied Auberge stone countertops. There is also a full guest bathroom, washer/dryer, and large linen closet. The spacious and elegant master bedroom also offers tremendous closet space and is complimented by walls upholstered in understated raw silk. The tasteful, luxurious, white marble master bathroom, designed by Anthony Todd, has a stunning double sink, Robern medicine cabinets and Kohler Tea-For-Two bathtub with separate glass encased shower. 4 West 21st Street is a boutique, full-service condop with only 54 units. It features a fully equipped fitness center, outdoor landscaped terrace, on-site parking and live-in super. PETS WELCOME. Located in the bustling Flatiron District, in close proximity to both Union Square and Gramercy Park, 4 West 21st Street is ideally situated, surrounded with every amenity: abundant shopping, restaurants and transportation alternatives. Excellent landlease with 83 years remaining. Please note, actual monthly maintenance is $3,992 with seller contributing $16,000 to a Maintenance Fund for the buyer's benefit over the first year of ownership thereby reducing the monthly maintenance to $2,659.20 or $2.48 per square foot.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed Common Area

Exterior Features

Building Courtyard Building Roof Deck Courtyard

Building Information

Total Units 56
Stories 17

Financial Details

Common Charges $2,659/mo
Original Price $1,495,000
Sale Price $1,244,000

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, 6:47 PM EST

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Location

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4 W 21ST Street #11C, Flatiron, New York County

Floor Plans

Floor Plan
MLS® ID: RLS10819524
First Listed: 8/8/2017
Closed: 4/19/2018
Contract Date: 8/8/2017

Listing Courtesy of Sotheby's International Realty, Inc. - Dianne M. Weston

Listing Contact: (917) 693-8442

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.

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RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 3/25/2026 at 10:47 PM UTC

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