551 West 21st Street, Unit PH
Description
Positioned atop 551 West 21st Street, this one-of-a-kind penthouse offers a rare opportunity to own a full-floor residence with remarkable scale, privacy, and design. Recently completing a meticulous three-year renovation in late 2024, the home has been fully reimagined to the highest standards of contemporary luxury. Spanning approximately 6,500 square feet of interior space and 4,535 square feet of private outdoor areas—including the building’s entire rooftop—this five-bedroom...The Crown Jewel of Downtown
Positioned atop 551 West 21st Street, this one-of-a-kind penthouse offers a rare opportunity to own a full-floor residence with remarkable scale, privacy, and design. Recently completing a meticulous three-year renovation in late 2024, the home has been fully reimagined to the highest standards of contemporary luxury. Spanning approximately 6,500 square feet of interior space and 4,535 square feet of private outdoor areas—including the building’s entire rooftop—this five-bedroom residence redefines downtown living. At its centerpiece is a striking 61-foot private swimming pool, the largest private outdoor pool in New York City, creating a sense of retreat rarely found in urban life. A private parking spot is included in the sale.
Designed by acclaimed firms Ingrao Design and De La Torre Design Studio, the layout emphasizes openness, light, and seamless flow. The lighting design work was performed by internationally recognized L’Observatoire. The interiors layer natural materials and precision detailing to create a space that feels both elevated and effortlessly livable. Every element has been thoughtfully considered, resulting in a residence that is as functional as it is refined—a truly exceptional home in the heart of Manhattan.
Gallery / Entry
- Enter through dual private elevator vestibules on the east and west sides, each outfitted with 500-pound custom doors that blend architectural drama with enhanced security and privacy. The east and west entrances have distinct designs, offering a unique experience when entering from either side.
- Wide-plank Schotten & Hansen flooring extends throughout the core central part of the residence, lending a warm, modern elegance.
- All windows are fitted with motorized shades crafted from a single piece of premium fabric, programmed with a seasonal automation system to optimize natural light and comfort year-round.
- Eighty percent of the home’s windows feature soaring vision glass that rises nearly 18 feet, creating an extraordinary sense of openness and connection to the outdoors—a design element rarely found in private residences anywhere in the world.
- Cabinetry and interior doors are constructed from top-tier materials, with extra-thick panels for durability and weight. Each is finished with custom-made hardware, elevating both function and design.
- The home features fully integrated smart systems designed by Osbee—known for their precision, innovation, and white-glove service in high-end residences—including Crestron controls, a comprehensive security system with cameras, and a premium AV setup for effortless, modern living.
Living Spaces
- The living room features 18-foot floor-to-ceiling windows that frame sweeping views of the Hudson River, with both south and west-facing exposures of Manhattan, including unobstructed views of the Statue of Liberty.
- Furnishings include custom-designed pieces by Artistic Frame and selections from leading luxury designers, chosen for their quality, craftsmanship, and enduring style.
Kitchen
- A bespoke chef’s kitchen designed by world-renowned chef Jean-Georges Vongerichten and executed by Lanserring, featuring refined cabinetry and precision-built appliances.
- Fully equipped with a Gaggenau espresso machine, refrigerator and freezer column, steam oven, microwave, vacuum-sealing drawer, warming drawer, wine cabinet with a Wine Guardian professional-grade cooling unit, and dual dishwashers.
- Anchoring the kitchen is the Lacanche Sully 2200—a handcrafted, 87-inch French range combining professional-grade performance with timeless brass and enamel finishes.
- With dual ovens and customizable cooktop configurations, the Sully 2200 is the ultimate in form and culinary function.
Primary Bedroom Suite
- Framed by panoramic Hudson River views, the expansive primary suite features generous closet space and transitions into an impeccably appointed ensuite bath.
- The ensuite bath offers a spa-caliber experience with a built-in steam shower, radiant heated floors, and vanity tops crafted from a seamless slab of hand-selected Italian marble. The shower floor and built-in bench are heated, ensuring luxurious comfort throughout.
- The bathroom fixtures are outfitted with high-end Sardinelli fixtures, celebrated for their refined design and exceptional craftsmanship.
- TOTO smart toilets complete the elevated experience in the primary suite and the five other bathrooms in the residence.
Additional Bedrooms
- Three additional bedrooms and a flexible bonus room offer a variety of lifestyle configurations—perfect as a fifth bedroom, nursery, home gym, office, or to expand the guest suite experience as desired.
Rooftop
- A sculptural spiral staircase, crafted from premium materials, rises as a centerpiece of the home, leading to the private rooftop terrace.
- The rooftop is also accessible via private elevator for ease and discretion.
- Designed for entertaining and tranquility, the terrace features 360-degree views of Manhattan and the Hudson River.
- Highlights include the largest private outdoor pool in New York City, a full bath, two sinks, a built-in BBQ grill, and over 4,000 square feet of soft turf underfoot, bringing outdoor living to a new level of luxury.
The Building
551 West 21st Street, designed by the renowned Foster + Partners and completed in 2015, is a 20-story architectural landmark that redefines luxury living in West Chelsea. With its striking presence and meticulous detailing, the building offers an elevated full-service experience, including a private, gated porte-cochère, 24-hour doorman, concierge, porter, valet services, and a live-in superintendent.
Amenities are thoughtfully curated to enhance daily life, featuring a state-of-the-art fitness center and yoga studio, spa facilities, resident lounge, children’s playroom, and bicycle storage. Just outside your door, the High Line and Chelsea Piers provide direct access to some of the city’s most dynamic cultural and recreational offerings. The building is also moments from the A/C/E subway lines, West Side Highway, West Village, Hudson Yards, and the Meatpacking District, home to many of the most sought-after social clubs in the city.
Amenities
- Primary Ensuite
- Full-Time Doorman
- Concierge
- Private Terrace
- Private Wrap Around Terrace
- Private Roof Deck
- Gym
- Pool
Property Details for 551 West 21st Street, Unit PH
| Status | Temporarily Off Market |
|---|---|
| Days on Market | 96 |
| Taxes | $18,639 / month |
| Common Charges | $22,284 / month |
| Min. Down Pymt | 20% |
| Total Rooms | 11.0 |
| Compass Type | Condo |
| MLS Type | - |
| Year Built | 2015 |
| County | New York County |
| Buyer's Agent Compensation | 3% |
Building
551 W 21st St
Location
Building Information for 551 West 21st Street, Unit PH
Payment Calculator
$411,525 per month
30 year fixed, 6.28% Interest
$370,602
$18,639
$22,284
Property History for 551 West 21st Street, Unit PH
| Date | Event & Source | Price |
|---|---|---|
| 07/29/2025 | Temporarily Off Market Manual | — |
| 04/24/2025 | Listed (Active) Manual | $75,000,000 |
| 10/13/2021 | $49,995,000 | |
| 01/29/2021 | $49,995,000 |
For completeness, Compass often displays two records for one sale: the MLS record and the public record.
Schools near 551 West 21st Street, Unit PH
Rating | School | Type | Grades | Distance |
|---|---|---|---|---|
| Public - | PK to 5 | |||
| Public - | 6 to 8 | |||
| Public - | 6 to 8 | |||
| Public - | 6 to 8 |
Rating | School | Distance |
|---|---|---|
PS 11 Sarah J Garnett Elementary School (The) PublicPK to 5 | ||
Middle 297 Public6 to 8 | ||
Lower Manhattan Community Middle School Public6 to 8 | ||
Nyc Lab Ms For Collaborative Studies Public6 to 8 |
School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.
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This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2025 The Real Estate Board of New York, Inc., All rights reserved. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey® MLS. Information Copyright 2025, OneKey® MLS. All data is deemed reliable but is not guaranteed accurate by Compass. See Terms of Service for additional restrictions. Compass · Tel: 212-913-9058 · New York, NY Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York’s Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer’s personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2025 The Real Estate Board of New York, Inc., all rights reserved. This information is not guaranteed, should be independently verified and may not reflect all real estate activity in the market. Offers of compensation set forth here are for other RLSParticipants only and may not reflect other agreements between a consumer and their broker.©2025 The Real Estate Board of New York, Inc., All rights reserved.