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$9,950,000
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Property Description
An Idyllic, peaceful penthouse designed with the colors of the ocean is a perfect retreat from city life. Shades of blue, sand and white evoke an immediate sense of calm as the elevator door opens into a private oasis. Perfectly curated, this palatial 4-bedroom, 4.5 bath penthouse boasts over 5,300 SF of indoor and outdoor living with a great room that delivers grand and gracious entertaining. With full-service doorman services and private keyed elevator access, the residence offers the ultimate in discretion and exclusivity, combining expansive scale with refined architectural detailing. BBQ year round on your south facing terrace with Weber gas grill. Whether inside or out, experience grand scale dining that can accommodate large gatherings. The elegantly appointed double living room has both fireplace seating and a comfortable lounging area. An artist paradise, high ceilings, gallery-sized walls and niches are perfect for a curated art collection. Interior living expands to exterior living with folding terrace doors allowing for a sun-splashed perennial garden to enjoy all year long. The eat-in chef's kitchen has counter-top dining for four and dining table for four. Beautiful stone and oak wood cabinetry in sandy tones in the kitchen are simply magnificent. The chef's kitchen is a study in elevated utility and minimalist elegance, outfitted with Miele, Julien, and Grohe appliances, custom white oak cabinetry, a 10.5-foot marble island, and a concealed butler's pantry. Adjacent, a flexible entertainment/media room or library can be enclosed for privacy with glass ribbed and steel pocket doors or opened for expansive hosting. The primary suite occupies its own private wing, with sitting areas, dual custom wardrobes, a midnight kitchenette, and direct access to its southern terrace. The spa-quality, five-fixture bath includes a freestanding LaCava tub, radiant heated floors, and a walk-in rain shower - relax in an at-home sumptuous sanctuary. Three additional ensuite bedrooms provide private refuges, each with generous walk-in closets. There is voluminous closet space as well as two private storage room included with the sale. The flexible floorplan allows the many rooms to be customized and designed for your personal lifestyle. Home offices, libraries or winged children's bedrooms. Designed with state-of-the-art home technology in mind, the residence is fully integrated with Savant Home Automation, electronic window treatments, a Sonos sound system, and a sophisticated lighting and climate control infrastructure. Perched atop one of Flatiron's most distinguished boutique buildings, The Penthouse at 21W20 is a full-floor masterpiece. With two private terraces totaling over 540 sq. ft., bespoke finishes, and light-filled entertaining spaces, this penthouse stands as one of the most unique and undervalued opportunities currently available. The Building: 21W20, designed by celebrated architect David Mann (MR Architecture + Decor), is a discreet luxury condominium with white-glove service, including a 24-hour doorman, private lounge, curated garden, refrigerated storage, and pet spa. This offering includes two deeded private storage rooms. The Neighborhood: Located in historic, landmarked Flatiron District at the crossroads of Madison Square Park and the incomparable Union Square Farmer's Market, reside in one of Manhattan's most sought-after enclaves. Michelin star restaurants, Fifth Avenue shopping, ABC Carpet & Home, Whole Foods, Trader Joes, Eataly - live large amid one of the most exciting cities in the world. Special assessment: $528.06/month from April 2025 to April 2027.
Full Property Details
Full Property Details for 21 W 20th St #PH1
General
- Sold For: $9,950,000
- HOA FEE: $8,937/month
- Taxes: $116,268
- Status: Closed
- Type: Single Family
- Source: REBNY
- MLS ID: RLS20028200
- Added to Site: 230 day(s) ago
Interior
- Number of Rooms: 10
- Interior Features: Entrance Foyer, Eat-in Kitchen, Kitchen Window
- Appliances: Dishwasher
- Furnishings: Unfurnished
- Flooring: Hardwood
Rooms
Bathrooms
- Total Bathrooms: 5
- Full Bathrooms: 4
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 4
Other Rooms
- Laundry: Common On Floor, In Unit
Exterior
- Exterior Features: Building Garden, Private Outdoor Space Over 60 Sqft
- Porch/Patio/Deck: Building Terrace, Terrace
Location
- County: New York
- Subdivision: Flatiron
Community
- Pets Allowed: Yes
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air
Structural Information
- Architectural Style: Loft
- Structure Type: None
- Stories/Levels: 16
- Square Feet: 4,841
- Living Area: 4,841 Sq. Ft.
- Year Built: 2016
- Other Struct. Feat.: Elevator(s)
Lot Features
- Property View: City
- Lot Size: 9200
- Lot Dimensions: 100.0 x 90.0
Financial Considerations
- Association Fee: $8,937
- Assoc Fee Freq.: Monthly
- Tax Amount: $116,268
Disclosures and Reports
- Special Conditions: Standard
- Block: 822
- Lot Number: 7506
Listing Courtesy of Sothebys International Realty
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Schools
Schools serving 21 W 20th St #PH1
School District:New York City Geographic School District 02
| Name | Grades | Distance |
|---|---|---|
PS 11 Sarah J Garnett Elementary School (The) 320 West 21st Street, New York, NY 10011 | K-5 | 0.5 mi |
Middle 297 75 Morton St, New York, NY 10038 | 6- | 1 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 21 W 20th St #PH1
Date
Details
Price
Change
Source
10/02/2025
Sold
$9,950,000
-15.32%
MLS
6/02/2025
Listed
$11,750,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
21 W 20th Street #PH1, New York City, NY 10011 (MLS# RLS20028200) is a Single Family property that was sold at $9,950,000 on October 02, 2025. Want to learn more about 21 W 20th Street #PH1? Do you have questions about finding other Single Family real estate for sale in New York City? You can browse all New York City real estate or contact a Coldwell Banker agent to request more information.

