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15 Union Square W 16New York, NY 10003

For Sale

$8,495,000

Smart Buyer Rebate $106,188

15 Union Square West — Residence 16

A rare opportunity to own a dramatic corner three-bedroom, three-and-a-half-bath residence in the iconic 15 Union Square West, once home to Tiffany & Co.’s headquarters.

With 16-foot ceilings and soaring arched windows overlooking Union Square Park, this home offers scale, light, and drama that are simply unmatched. The expansive living and dining space flows into a custom chef’s kitchen with professional-grade appliances, marble island, and bespoke finishes—perfect for both entertaining and everyday living. Each bedroom features an en-suite bath with refined stone and wood finishes, while a powder room and full laundry room add convenience.

* Large Storage Transfers with Unit

15 Union Square West combines historic cast-iron architecture with a modern zinc-and-glass facade, offering full-service luxury and premier amenities, including a 50-foot swimming pool, cold plunge, whirlpool, spa with massage rooms and saunas, fitness center, yoga studio, residents’ lounge, and 24-hour doorman/concierge.

Situated directly on Union Square Park, this boutique condominium places you at the center of downtown’s most vibrant neighborhoods. The Union Square Greenmarket, Whole Foods, and some of Manhattan’s best restaurants—including ABC Kitchen, Gramercy Tavern, and Breads Bakery—are at your doorstep. A true transportation hub, the N, Q, R, W, 4, 5, 6, and L trains are just steps away, with the West Village, Flatiron, Gramercy, NoMad, and Washington Square Park all within walking distance.

This rare residence offers an unparalleled chance to own a home of this magnitude in Union Square’s most distinguished full-service condominium

* Pictures are virtually staged
*1% Flip Tax

Listed by Shachar Dinour

·

Triumph Property Group Ltd

·

(646) 693-1212

Listed by Blake B Dinour

·

Triumph Property Group Ltd

Last updated October 21, 2025

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Source: REBNY #RLS20051861

Listing Facts

  • TypeCondo
  • NeighborhoodUnion Square
  • Bedrooms3
  • Bathrooms3.5
  • Days on Prevu22
  • HOA/Maint. Fees$7,967/month
  • Taxes$66,900/year
  • Size2,849 sqft
  • Price per sqft$2,982

Amenities

  • Washer/Dryer
  • Pets Allowed
  • Concierge
  • Pied-A-Terre Allowed

Location

Mortgage Calculator

Listing History

09/30/2025
Listed by Triumph Property Group Ltd
$8,495,000

Estimated Closing Costs

Total
$386,040
Attorney Fees
$4,000
NYC Mansion Tax
$191,137
Title Insurance
$38,228
Bank Attorney
$1,500
Mortgage Recording Tax
$147,175
Other Closing Costs
$4,000

Estimated closing costs are based on the list price of $8,495,000 and a 10% downpayment. These estimates are for indicative purposes only. Actual closing costs may vary for each transaction. See the Closing Costs Calculator for calculations specific to your situation.

Property Details for 15 Union Square W 16

Association

Amenities

  • Pets Allowed: Building Yes, Yes
  • Concierge: Concierge Full Time, Doorman Full Time, Lobby Attendant Full Time

Fees

  • Association Fee: $7,967.00 Monthly

Financial

  • Flip Tax: 1.0%
  • Flip Tax Remarks: ASK EXCL BROKER

Exterior

Construction

  • Stories Total: 12
  • Year Built: 1870
  • Architectural Style: Prewar
  • Entry Level: 16

Features

  • Building Features: Elevator(s)

Financial

Taxes

  • Parcel Number: 0842-1121
  • Tax Annual Amount: $66,900.00

Interior

Features

  • Appliances: Dryer, Washer
  • Interior Features: Entrance Foyer, Kitchen Window

Measurements

  • Living Area: 2,849
  • Living Area Units: SquareFeet

Rooms

  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 3
  • Rooms Total: 7

Other

Location

  • City Region: Manhattan
  • Subdivision Name: Flatiron District
  • Tax Block: 0842
  • Tax Lot: 7502

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Laundry Features: In Unit

Based on information from Real Estate Board of New York and/or other sources. This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2025 The Real Estate Board of New York, Inc., All rights reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.