Closed For Sale • Condo

$6,995,000

$2,631 per sq ft

15 Union Square W #4E

Flatiron, Manhattan

15USW

MLS® #RLS10055112

Listing by The Corcoran Group

3

Bedrooms

3.5

Baths

2,659

Sq. Ft.

1900

Year Built

Quick Summary

Bedrooms 3

Bathrooms 3 full, 1 half

Living Area 2,659 sq ft

Year Built 1900

Ownership Condo

HOA/Common Charges $3,965/mo

Property Taxes $43,500/yr

Neighborhood Flatiron

Floor 4 of 12

Property Highlights

• Exposure: North,South facing
• Style: Prewar architecture
• Climate Control: Central Air

Property Details

Type Condo

Ownership Condominium

Total Rooms 6

Baths 3 Full, 1 Half

Floor 4 of 12

Exposure North,South

Cooling Central Air

Pets Yes

Cross Street Union Square West & East 15th Street

Year Built 1900

Living Area 2,659 sq ft

Architectural Style Prewar

Description

Get ready for something to blow your mind. This duplex residence has one of the most dramatic ceiling heights you will come across. The design layout is suitable for cocktail parties to that elegant sit down dinner with a perfect powder room for your guest. There are three generous sized bedrooms, all with en suite full bathrooms. The kitchen has everything that any cook would want.15 Union Square West is the new definition of luxury in Downtown Manhattan. A top-of-the-line, first class, boutique building right in the heart of Union Square, this building leaves little to be desired. From soaring ceilings to an enormous spa (including a lap pool), 15 Union Square West will impress anyone from the moment they enter the lobby. Formerly the headquarters for Tiffany and Co, 15 Union Square West's unique combination of cast iron and glass makes it a beautiful addition of old and new on the downtown landscapeClick Here to View Video http://vimeo.com/89579150

Features & Amenities

Interior Features

Separate Formal Dining Room Building Washer Dryer Install Allowed Common Area

Building Information

Building 15USW

Total Units 36

Stories 12

Style Prewar

Financial Details

Common Charges $3,965/mo

RE Taxes $43,500/yr ($3,625/mo)

Original Price $7,500,000

Sale Price $5,600,000

Previous Price $5,600,000

About Flatiron

View All Flatiron Listings

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

119

Median Asking Price

$2.29M

Median $/Sqft

$1,684

Avg Days on Market

N/A

New This Week

5

Price Reduced

30%

Sold (30 Days)

10

Median Sale Price

$2.80M

Live data from RLS at REBNY • Updated 3/27/26, 10:38 AM EST

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Location

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15 Union Square W #4E, Flatiron, New York County • Near Union Square West & East 15th Street

NYC Zoning • Google Maps • Street View

Floor Plans

Data Sources & Methodology

Listing Data

RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.

Market Data

RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.

Map & Location

OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.

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MLS® ID: RLS10055112

First Listed: 8/24/2013

Price Changed: 9/25/2013

Closed: 4/23/2014

Contract Date: 8/23/2013

Listing Courtesy of The Corcoran Group - Spencer Means

Listing Contact: (917) 806-5981

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 Data display by Keller Williams NYC. Data last updated on 3/27/2026 at 2:38 PM UTC