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Printed from StreetEasy.com at 01:02 AM, Dec 17 2025

4W21 at 4 West 21st St. #4B

Located at 4W21 4 West 21st Street, #4B, New York, NY Co-op in Flatiron, All Downtown
This unit is not currently listed on StreetEasy Other units available in this building: 2 active sales listings | 1 active rental listing
2 beds, 3 baths, 1,500 ft²

Apartment 4B at 4 West 21st Street is a stunning downtown two-bedroom, three full bathroom home with every modern amenity. The impressive scale is highlighted by nearly 10’ ceilings, floor-to-ceiling soundproof windows, fabulous natural light from north and south exposures, and an open loft-style formal expanse.

Apartment 4B at 4 West 21st Street is a stunning downtown two-bedroom, three full bathroom home with every modern amenity. The impressive scale is highlighted by nearly 10’ ceilings, floor-to-ceiling soundproof windows, fabulous natural light from north and south exposures, and an open loft-style formal expanse. No detail was overlooked in the design of the apartment with beautiful details and contemporary conveniences including newly upgraded Smart / Google Home technology with online controls: Kasa dimmer and motion detection switches, video security monitor and Nest Thermostats, and blackout & light filtering roller shades. Additional comforts include top-of-the-line appliances, central air conditioning, luxurious spa-like baths with high-end fixtures and finishes including marble and stone, new Porcelanosa shower tiles, generous fitted closet storage, brand new LG smart wash tower washer/dryer, and brand-new designer wide plank European white oak floors throughout. The entire apartment is exceptionally quiet.

The open formal expanse is bright and spacious with plenty of room for formal dining. An open chef’s kitchen is fully outfitted with a new Italian black sparkle marble central island/breakfast bar with designer Ruvati steel sink with Moen garage disposal, new Smart Kohler faucet with audio and visual recognition, seamless Pied Auberge stone counters and backsplash, abundant newly installed white custom cabinetry with black steel accessories, and high-end appliances including Smart gas stovetop, oven and dishwasher appliances from Miele with online controls and monitoring, and Sub Zero refrigerator.

Both bedrooms are large, overlooking a landscaped, courtyard terrace with luxury en-suite baths. The primary suite features an enormous walk-in closet, and gorgeous 5-fixture primary bath with Kohler Tea-for-Two deep-soaking tub, seamless glass shower, and double vanity. A third full bathroom is ideal for guests. The extended foyer entry features a large, fitted double-door coat closet and laundry closet.

4 West 21st Street is a 17-story boutique cond-op building in the heart of the Flatiron District. Built in 2005 by preeminent architect Hugh Hardy with interiors by New York designer, Antony Todd. The full-service building has a 24-hour doorman/concierge, fully equipped gym, landscaped private garden, on-site parking, bike storage, laundry room, and live-in super. Pets are permitted. This is a land-lease co-op with condo rules allowing pieds-a-terre, co-purchasing, and subletting. Assessment: $161.69 ending July 2025.


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About the Building

4W21 4 West 21st Street  New York, NY 10010

Condop in Flatiron

  • 56 Units
  • 17 Stories
  • 2006 Built

Sales listings: 2 active and 162 previous
Rentals listings: 1 active and 96 previous
Documents and Permits: 222 documents

Unit History

Nearby

Transportation

  • N R W at 23rd St

    under 500 feet

  • F M at 23rd St

    0.17 miles

  • PATH at 23rd Street Station

    0.19 miles

  • 6 at 23rd St

    0.23 miles

  • F M L 1 2 3 at 14th St

    0.25 miles

View subway lines on Google Maps

Schools

District 2 - Schools zoned for this address:
P.S. 011 William T. Harris

(PK,0K,01,02,03,04,05,SE)

M.S. 297

(06,07,08,SE)

Disclaimer: School attendance zone boundaries are not guaranteed to be accurate – they are provided by a third party and subject to change. Check with the applicable school district prior to making a decision based on these boundaries.