Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $4,500,000

· Closed October 16, 2014

15 UNION Square W #4E
Closed For Sale Condo

$4,500,000

15 UNION Square W #4E

Flatiron, Manhattan

null

MLS® #RLS10101745

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

3

Bedrooms

3

Baths

N/A

Sq. Ft.

1870

Year Built

Quick Summary

Bedrooms 3
Bathrooms 3
Year Built 1870
Ownership Condo
HOA/Common Charges $3,696/mo
Property Taxes $47,784/yr
Neighborhood Flatiron

Property Highlights

  • Exposure: North,South facing
  • Style: Prewar architecture
  • Character: Pre-war building (1870)

Property Details

Type Condo
Ownership Condominium
Total Rooms 6
Baths null Full
Exposure North,South
Pets Yes
Year Built 1870 (New)
Architectural Style Prewar

Description

A limestone paved foyer and large entrance gallery lead to a spectacular living room with generous dining area. Its soaring 16' ceiling and arches, reminiscent of the original circa 1870 Tiffany & Co.'s cast iron headquarters give ample light and a feeling of incredible openness, as well as an extraordinary exhibition space for the discerning art collector. The open kitchen is separated from the living area by a marble topped counter on a stainless steel base with turned mahogany legs. An extraordinary freestanding Maretti stainless steel staircase with clear glass railing leads to a balcony and private level Master bedroom suite with large walk-in closet, two additional closets and en suite 17' wide windowed Master bath. Within its soothing gray/green granite walls and floor is the wet room with a claw foot freestanding tub and a customized standing shower. The Shagreen veneered double vanity features translucent glass sinks and a Pietra Bedonia sandstone top. The residence's lower level has a second bedroom with bathroom including a combination tub and shower, Corian topped lime-rubbed oak vanity with custom nickel plated fixtures and travertine marble floors and walls with back painted glass panels. The third bedroom features 3 large double closets and an elegant bathroom with waterfall shower, alternating porcelain Xilo walls, limestone floor and lacquered vanity with a vessel sink. Residence 4E also includes a mahogany paneled powder room with stainless steel finished sink and toilet and laundry with stainless steel washer and dryer. All 15USW residences come standard with electronic shades and the Crestron Home Technology System. Finishes and fixtures throughout are custom designed by world renowned designer Vicente Wolf and manufactured exclusively for 15USW by Sherle Wagner.

15 USW is the 21st century artistic metamorphosis of Tiffany & Company's 19th century headquarters overlooking historic Union Square Park. The dramatic original cast-iron arched windows are now set behind a new facade of black zinc and glass. The new addition has created six floors of unique penthouses with oversized terraces and gas fireplaces. This boutique condominium features 36 residences and amenities spaces custom designed by renowned interior designer Vicente Wolf with an exclusive line of kitchen and bathroom fixtures manufactured by Sherle Wagner. 15 USW offers luxurious five star hotel-worthy amenities including 24 hour doorman, onsite concierge services by Abigail Michaels, a beautifully designed spa including a 50' lap pool with oversized whirlpool, his and hers sauna, a massage treatment room, a state-of-the-art fitness center with yoga studio, bicycle and private storage. Located in Union Square, the crossroads of downtowns most desired neighborhoods: Flatiron, Gramercy, Greenwich Village, West Village, East Village, Chelsea and Soho.

The complete terms are in an offering plan available from sponsor. File No. CD 07-0112. For complete information visit: www.15USW.com

Images
Images> displayed are for marketing purposes and reflect finishes only. Layout, size and fixtures may differ from what is shown.

Building Information

Building null
Total Units 36
Style Prewar

Financial Details

Common Charges $3,696/mo
RE Taxes $47,784/yr ($3,982/mo)
Original Price $4,900,000

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

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, 7:35 AM EST

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Location

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15 UNION Square W #4E, Flatiron, New York County

MLS® ID: RLS10101745
First Listed: 10/4/2012
Closed: 10/16/2014

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Shlomi Reuveni

Listing Contact: (212) 906-9234

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 3/27/2026 at 11:35 AM UTC

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