3 Bed | 2.5 Bath | 2 Private Terraces | 2,487 Interior SF | Penthouse | 360 City Views
Welcome to Penthouse A at 4 West 21st Street a rare and refined full-floor residence in the heart of the Flatiron District, designed by celebrated architect Hugh Hardy.
Perched on the 17th floor, this 2,487-square-foot home offers an expansive layout ideal for sophisticated living and entertaining. The living room boasts wide open southern views, including a dramatic sightline to the Freedom Tower, creating an inspiring backdrop both day and night. Breathtaking 360-degree city views surround the living and dining areas, complemented by soaring ceilings, floor-to-ceiling windows, and a private terrace totaling 424 square feet. Despite its central location, the penthouse is remarkably quiet, offering a peaceful retreat high above the city.
The custom made Italian kitchen is fully outfitted with top-of-the-line Gaggenau and Bosch appliances, sleek integrated cabinetry, and a large island perfect for hosting or everyday luxury. Seamlessly integrated electronic window treatments, tall interior doors, and refined finishes add to the modern ambiance.
The penthouse includes three bedrooms, two full bathrooms, and one half-bath. The primary suite is a true retreat, featuring its own private 270-square-foot landscaped terrace, an oversized walk-in closet, and a spa-inspired four-fixture bath with heated floors. Wake up to a stunning direct view of the Empire State Building from the primary bedroom. A second southern facing bedroom also enjoys abundant natural light and expansive city views.
Additional features include a large laundry/storage room, ample storage throughout, and 3 zone true central air. Fully renovated in 2016 4 West 21st offers the character and scale of a prewar loft with the convenience and luxury of modern construction.
Residents enjoy a suite of amenities including a 24-hour doorman, a state-of-the-art fitness center, an on-site parking garage, a beautifully landscaped 2,500-square-foot courtyard with children's play area, and a live-in Resident Manager. Sorry, no pets.
Experience penthouse living in one of Manhattan's most coveted neighborhoods.
4w21
4 W 21st St, New York, NY 10010
Apartment building
Studio-5 beds
What’s available
This building may have units for rent or for sale. Select a unit to contact.

$1,150,000
2 bd, 3 ba
1,455 sqft
For sale - Unit 2B
Listing by: Brown Harris Stevens

$1,270,000
2 bd, 2.5 ba
1,495 sqft
For sale - Unit 8D
Listing by: Corcoran

$1,350,000
2 bd, 2.5 ba
1,518 sqft
For sale - Unit 10D
Listing by: Sotheby's International Realty

$1,450,000
2 bd, 3 ba
1,500 sqft
For sale - Unit 4B
Listing by: Corcoran

$1,475,000
2 bd, 2.5 ba
1,620 sqft
For sale - Unit 2D
Listing by: Compass
What's special
Floor-to-ceiling windows
Neighborhood: Flatiron District
Areas of interest
Use our interactive map to explore the neighborhood and see how it matches your interests.
Travel times
Nearby schools in New York
GreatSchools rating
- 7/10PS 11 Sarah J Garnett Elementary School (The)Grades: PK-5Distance: 0.6 mi
- 8/10Jhs 104 Simon BaruchGrades: 6-8Distance: 0.7 mi
- 7/10Manhattan Village AcademyGrades: 9-12Distance: 0.2 mi
Frequently asked questions
What is the walk score of 4w21?
4w21 has a walk score of 100, it's a walker's paradise.
What is the transit score of 4w21?
4w21 has a transit score of 100, it's a rider's paradise.
What schools are assigned to 4w21?
The schools assigned to 4w21 include PS 11 Sarah J Garnett Elementary School (The), Jhs 104 Simon Baruch, and Manhattan Village Academy.
What neighborhood is 4w21 in?
4w21 is in the Flatiron District neighborhood in New York, NY.