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Printed from StreetEasy.com at 11:11 AM, Jun 9 2026

43 West 21st St. #PH

Located at 43 West 21st Street 43 West 21st Street, #Ph, New York, NY Flatiron, All Downtown
This unit is not currently listed on StreetEasy
3 beds, 3 baths, 2,691 ft²

Stunning Duplex Penthouse with 2 Terraces & A Wood-Burning Fireplace!

Welcome to this massive, pristinely renovated duplex condo in the heart of Flatiron! A wonderful 3-bedroom, 3-bathroom penthouse with approximately 2,691 square feet of magnificent interiors, plus approximately 1,400 square feet of outdoor space throughout two amazing private terraces.

Stunning Duplex Penthouse with 2 Terraces & A Wood-Burning Fireplace!

Welcome to this massive, pristinely renovated duplex condo in the heart of Flatiron! A wonderful 3-bedroom, 3-bathroom penthouse with approximately 2,691 square feet of magnificent interiors, plus approximately 1,400 square feet of outdoor space throughout two amazing private terraces. Ideal for modern lifestyles, the home features a grand living/dining room, huge chef’s kitchen, home office/den, and a home gym.

A massive skylight allows abundant sunlight to be received from the home’s south and north exposures. Two HUGE private terraces are ideal for sun lounging, alfresco dining, and urban gardening. Finishing comforts include a charming wood-burning fireplace, white-washed exposed brick, oversized sash windows, gorgeous hardwood floors, key-locked elevator with direct access, central A/C and heat, Lutron lighting, and an in-home laundry room with a washer/dryer.

The lower level of the home begins with an open-concept living room, dining room, and kitchen brimming with abundant natural light from the massive skylight and large windows. The living room boasts grand proportions and a beautiful fireplace, while the kitchen is equipped with a huge island, Carrara marble countertops, subway tile backsplash, custom black-and-white cabinets, and a suite of high-end stainless steel appliances from Viking and Sub-Zero. Just past the kitchen is a quiet den, also suitable for a private home office. Two bedrooms, two bathrooms, and a convenient laundry room complete this wonderful level. Both bedrooms have large reach-in closets, and both full bathrooms have stylish fixtures.

A curving skylit staircase flows up to a second level with the primary bedroom and a sunny home gym/library, plus two large terraces. The primary suite opens out onto a north-facing terrace with lush planters and privacy fencing. It also features a walk-in closet and a full en-suite bathroom with a walk-in shower. The home gym/library leads out onto a planted south-facing terrace with classic Flatiron views.

43 West 21st Street is a boutique condominium located in the Flatiron District. The building is moments from a multitude of restaurants, bars, cafes, and shops, and is close to Eataly, Madison Square Park, NoMad, and Chelsea. Nearby subway lines include the 1/F/M/N/R/W. The taxes shown reflect a primary residence abatement.


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About the Building

43 West 21st Street  New York, NY 10010

Condo in Flatiron

  • 3 Units
  • 5 Stories
  • 1920 Built

Sales listings: 10 previous
Rentals listings: 3 previous
Documents and Permits: 21 documents

Unit History

Nearby

Transportation

  • F M at 23rd St

    under 500 feet

  • PATH at 23rd Street Station

    0.11 miles

  • N R W at 23rd St

    0.15 miles

  • F M L 1 2 3 at 14th St

    0.24 miles

  • 1 at 23rd St

    0.24 miles

View subway lines on Google Maps

Schools

District 02 - 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.