15 UNION Square W #9A
MLS® #RLS10088594
Listing by Brown Harris Stevens Residential Sales LLC
3
Bedrooms
4
Baths
2,806
Sq. Ft.
1870
Year Built
Quick Summary
Property Highlights
- Exposure: East,West facing
- Style: Prewar architecture
- Character: Pre-war building (1870)
Property Details
Description
The Residence:
Perched above Union Square residence 9A features the ultimate in luxury living. This dramatic 3 bedroom 3.5 bath duplex has spectacular views East of Union Square and beyond from both the private 483 square foot terrace and the lofty living/dining area with floor to ceiling 11' walls of windows. World renowned interior designer Vicente Wolf designed a line of exclusive finishes for the open chefs kitchen which includes all top of the line appliances as well as the 3.5 baths all manufactured by Sherle Wagner. The staircase leads upstairs to a large gallery where the second and master bedrooms are located with full park views. The master bedroom comes en suite with a 17' wide master spa-like bathroom, large walk-in closet, and a remote control gas fireplace. This apartment is perfect for living and entertaining on a grand scale.
The Building:
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, curbside valet parking, 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.
Building Information
Financial Details
About Flatiron
View All Flatiron ListingsThe 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 NeighborhoodActive 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, 7:31 AM EST
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Location
15 UNION Square W #9A, Flatiron, New York County
Floor Plans
Listing Data
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Market Data
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Map & Location
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Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Jen Wening Gary Lacy
Listing Contact: (646) 300-6016
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RLS Data display by Keller Williams NYC. Data last updated on 3/27/2026 at 11:31 AM UTC