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24 East 21st Street 2New York, NY 10010

For Sale

$5,650,000

Smart Buyer Rebate $70,625

24 East 21st Street is a rare opportunity to own a full-floor residence in one of Flatiron's most discreet boutique condominiums.

A private elevator opens directly into the grand living and dining room, an impressive 40 by 20 feet with soaring 11-foot beamed ceilings, stained wide-plank oak floors, and natural light from both north and south exposures. A glass, brushed aluminum, and galvanized steel-enclosed gas fireplace anchors the space, while elegant glass doors open onto a private central outdoor atrium with a stunning pergola - a serene focal point at the heart of the home. Enormous picture windows frame the streetscape throughout.

The chef's kitchen is appointed with a seamless Bianco Statuario marble island and breakfast bar, custom Italian white lacquer and aluminum cabinetry, a walk-in pantry, and a premium appliance suite including a 27-inch Sub-Zero refrigerator, 27-inch Sub-Zero freezer, 48-bottle wine cooler, six-burner Viking convection range with vented hood and built-in microwave, and Bosch dishwasher.

The primary suite is a true retreat, featuring an enormous walk-in closet complemented by an additional bank of in-room closets, blackout shades, and a spa-caliber en suite bathroom with a soaking tub, separate stall shower, and double vanity.

A dedicated media room with a 100-inch screen-easily convertible to an additional bedroom-a private home office with an en suite bath, and two additional well-proportioned bedrooms complete the layout with exceptional versatility. There are also 4.5 bathrooms throughout the home.

Additional features include two-zone central air conditioning, a commercial-grade washer and dryer, overhead lighting, a generous closet and storage space, and a Crestron smart home system.

Infinity Flats is a boutique condominium comprised of just eight full-floor residences, offering a full-time cyber doorman, exceptional privacy, and remarkably low carrying costs. With coveted north and south exposures, impressive scale, complete floor-through privacy, and undeniable downtown cachet, residences of this caliber are rarely available at this price per square foot.

Listed by Deborah A Kern

·

Corcoran Group

·

(917) 710-1150

Last updated June 15, 2026

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Source: REBNY #RLS20095004

RLS Data display by Prevu Real Estate LLC

Listing Facts

  • TypeCondo
  • NeighborhoodFlatiron District
  • Bedrooms3
  • Bathrooms4.5
  • Days on Prevu14
  • HOA/Maint. Fees$3,107/month
  • Size4,073 sqft
  • Price per sqft$1,387

Amenities

  • Private Outdoor Space

Location

Mortgage Calculator

Listing History

06/02/2026
Listed by Corcoran Group
$5,650,000

Estimated Closing Costs

Total
$259,936
Attorney Fees
$4,000
NYC Mansion Tax
$127,125
Title Insurance
$25,425
Bank Attorney
$1,500
Mortgage Recording Tax
$97,886
Other Closing Costs
$4,000

Estimated closing costs are based on the list price of $5,650,000 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 24 East 21st Street 2

Association

Amenities

  • Pets Allowed: Building Yes, No

Fees

  • Association Fee: $3,107.00 Monthly

Exterior

Construction

  • Number Of Units Total: 8
  • Stories Total: 9
  • Structure Type: High Rise
  • Year Built: 1935
  • Building Name: Infinity Flats
  • Entry Level: 2

Features

  • Building Features: Elevator(s)

Financial

Taxes

  • Parcel Number: 0849-1502

Interior

Features

  • Appliances: Washer Dryer Allowed

Measurements

  • Living Area: 4,073
  • Living Area Units: SquareFeet

Rooms

  • Bathrooms Full: 4
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 5
  • Bedrooms Total: 3
  • Rooms Total: 8

Other

Location

  • City Region: Manhattan
  • Subdivision Name: Flatiron
  • Tax Block: 00849
  • Tax Lot: 7506

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There are 3 bedrooms and 4.5 bathrooms in this condo at 24 East 21st Street 2.

How does 24 East 21st Street 2 compare to other condos in Flatiron District?

This condo is listed 41% above the average price for condos in Flatiron District and has been on the market for 113 less days than the typical home in this area.

What building or home owners association is the condo part of?

This condo is in the Infinity Flats building.

What is the square footage on this condo?

According to the MLS, this listing is 4,073 sqft.

24 East 21st Street 2 is a 3-bedroom, 4.5-bath condo for sale in New York NY 10010. On Prevu for 14 days at $5,650,000. This residence features 4,073 square feet of living space, located in Flatiron District. The median listing price for condos in this area is $2,995,000. The home offers private outdoor space. View other condo listings in Manhattan.

RLS Data display by Prevu Real Estate LLC The Registrant acknowledges each other RLS Broker's ownership of, and the validity of their respective copyright in, the Exclusive Listings that are transmitted over the RLS. The information is being provided by RLS at REBNY Listing Service, Inc. Information deemed reliable but not guaranteed. Information is provided for consumers' personal, non-commercial use, and may not be used for any purpose other than the identification of potential properties for purchase. This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. 2026 RLS at REBNY Listing Service, Inc. All rights reserved. Based on information from the 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. 2026 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.