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4 West 21st Street 10BNew York, NY 10010

For Sale

$1,425,000

This spectacular home boasts an AMAZING location and is perfect for those who love to entertain. An oversized loft-like living room and adjacent media room/third bedroom are lined with floor to ceiling windows bringing in lots of light. The stunning open chef’s kitchen easily becomes the heart of this home, and is perfect for entertaining. Features include Miele and Subzero appliances, sink disposal, under cabinet lighting and ample white on white custom enamel cabinetry and beautiful grey granite countertops and backsplash. The spacious master suite has the best walk-in closet one can hope for, doubling as a dressing room and featuring an extra linen/wardrobe closet. The master bath is accented with stunning white granite tiling throughout and is graced with an extra-large soaking tub, large glass enclosed shower, and double sinks. The second bedroom is generous in size with a large double closet and en-suite bath that along with the third bath, blends beautifully into the home with white and gray granite finishes. Other important features to this home include in-wall speakers in the kitchen, media room, master bedroom and master bath, oak floors throughout, washer/dryer and central air. 4 West 21st Street is a full service condop offering a newly refurbished on site gym, onsite parking, a second floor common terrace and 24 hour doorman. The building’s Flatiron location cannot be beat for a convenient and exciting downtown life; off of Fifth Avenue with Madison Square Park two short blocks away. Your lifestyle will truly blossom at 4 West 21st Street.

Listed by Kemdi Uchenna Anosike

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Compass

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(832) 655-2328

Listed by Jessica Swersey

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Compass

Last updated July 31, 2026

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Source: REBNY #RLS20102442

RLS Data display by Prevu Real Estate LLC

Listing Facts

  • TypeCo-op
  • NeighborhoodFlatiron District
  • Bedrooms2
  • Bathrooms3
  • Days on Prevu24
  • HOA/Maint. Fees$8,548/month
  • Size1,658 sqft
  • Price per sqft$859

Amenities

  • Pets Allowed
  • Concierge
  • Parking

Location

Mortgage Calculator

Listing History

07/08/2026
Listed by Compass
$1,425,000

Estimated Closing Costs

Attorney Fees
$4,000
NYC Mansion Tax
$14,250
Bank Attorney
$1,500
Other Closing Costs
$4,000
Total
$23,750

Estimated closing costs are based on the list price of $1,425,000 and a 20% 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 4 West 21st Street 10B

Association

Amenities

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

Fees

  • Association Fee: $8,548.00 Monthly

Exterior

Construction

  • Number Of Units Total: 56
  • Stories Total: 17
  • Structure Type: Multi Family
  • Year Built: 2006
  • Building Name: 4W21
  • Entry Level: 10

Features

  • Building Features: Elevator(s), Fitness Center

Measurements

  • Lot Size Area: 9,384
  • Lot Size Dimensions: 102
  • Lot Size Units: SquareFeet

Financial

Other

  • Land Lease: Yes

Taxes

  • Parcel Number: 0822-0045-00004-000-000010B

Interior

Measurements

  • Living Area: 1,658
  • Living Area Units: SquareFeet

Rooms

  • Bathrooms Full: 3
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 2
  • Rooms Total: 5

Other

Location

  • City Region: Manhattan
  • Subdivision Name: Flatiron
  • Tax Block: 00822
  • Tax Lot: 0045

Parking

Parking

  • Garage: Yes
  • Parking Features: Garage

Utilities

Equipment

  • Laundry Features: Common Area

Frequently Asked Questions

How many bedrooms and bathrooms does this co-op have?

There are 2 bedrooms and 3 bathrooms in this co-op at 4 West 21st Street 10B.

Are pets allowed at 4 West 21st Street?

Yes, 4 West 21st Street allows pets. Check the Property Details for any relevant restrictions.

How does 4 West 21st Street 10B compare to other co-ops in Flatiron District?

This co-op is listed 51% below the average price for co-ops in Flatiron District and has been on the market for 87 less days than the typical home in this area.

What building or home owners association is the co-op part of?

This co-op is in the 4 W21 building.

What is the square footage on this co-op?

According to the MLS, this listing is 1,658 sqft.

4 West 21st Street 10B is a 2-bedroom, 3-bath co-op for sale in New York NY 10010. On Prevu for 24 days at $1,425,000. This residence features 1,658 square feet of living space, located in Flatiron District. The median listing price for co-ops in this area is $2,547,500. Additional amenities include pets allowed, doorman, and parking. Browse more co-op 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.