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25 East 21st Street 3FLRNew York, NY 10010

For Sale

$3,700,000

Smart Buyer Rebate $46,250

This exceptional 3rd-floor open loft is an expansive canvas, stretching over 40' wide and extending 82' deep. Boasting soaring ceiling heights of over 12.5', this remarkable space presents a perfect opportunity to craft a dream-like 3500sq ft loft home. The potential is vast, allowing for a generous 4-bedroom residence with 4-5 bathrooms, extraordinary entertaining areas, well-proportioned bedrooms, ample closets & storage, and a media room. A flood of natural light enhances the ambiance, creating an inviting atmosphere.
The existing floor plan is thoughtfully provided, along with an illustrative example of a 4-bedroom layout. However, the possibilities are limitless, thanks to just 2 small columns within the entire expanse. Renderings further inspire the creative process, offering glimpses of the loft's boundless potential. Collaborate with your architect and unleash your imagination in this exclusive boutique condo building comprised of 11 full-floor units, complete with a doorman. This building's seamless conversion from commercial to residential condo grants the as-of-right privilege to build out for residential use.
Tucked away on a tranquil, charming block in the heart of Flatiron, this unparalleled offering is a must-see, providing a rare opportunity to shape a truly exceptional living space.

Listed by ROBERT E DANKNER

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Prime Manhattan Residential LLC

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(917) 951-2242

Last updated October 22, 2025

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Source: REBNY #RLS20054662

Listing Facts

  • TypeCondo
  • NeighborhoodGramercy Park
  • Bedrooms4
  • Bathrooms4.5
  • Days on Prevu169
  • HOA/Maint. Fees$3,681/month
  • Taxes$34,548/year
  • Size3,500 sqft
  • Price per sqft$1,057

Amenities

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

Location

Mortgage Calculator

Listing History

05/07/2025
Listed by Prime Manhattan Residential LLC
$3,700,000

Estimated Closing Costs

Total
$145,752
Attorney Fees
$4,000
NYC Mansion Tax
$55,500
Title Insurance
$16,650
Bank Attorney
$1,500
Mortgage Recording Tax
$64,102
Other Closing Costs
$4,000

Estimated closing costs are based on the list price of $3,700,000 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 25 East 21st Street 3FLR

Association

Amenities

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

Fees

  • Association Fee: $3,681.00 Monthly

Financial

  • Flip Tax Remarks: ASK EXCL BROKER

Exterior

Construction

  • Stories Total: 11
  • Year Built: 1904
  • Architectural Style: Prewar, Loft
  • Entry Level: 3

Features

  • Building Features: Elevator(s)

Financial

Taxes

  • Tax Annual Amount: $34,548.00

Interior

Features

  • Appliances: Dryer, Washer
  • Interior Features: Dining Area

Measurements

  • Living Area: 3,500
  • Living Area Units: SquareFeet

Rooms

  • Bathrooms Full: 4
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 4
  • Rooms Total: 10

Other

Location

  • City Region: Manhattan
  • Subdivision Name: Flatiron District
  • Tax Block: 0850
  • Tax Lot: 7501

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.