SOLD FOR $8,500,000
Listed at $8,995,000 · Sold 5.5% below asking · Closed September 24, 2018
117 W 21st Street #MAIS
MLS® #RLS10314396
Listing by Nest Seekers International
4
Bedrooms
4.5
Baths
5,644
Sq. Ft.
2018
Year Built
Quick Summary
Property Highlights
- Exposure: North facing
- Climate Control: Central Air
- Parking: Private garage
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Aug 21, 2016 | $8,995,000 | - |
| Price Reduced | Oct 2, 2018 | $10,995,000 | +22.2% |
Description
The extraordinary embodiment of sleek, innovative contemporary design, The Twenty 1 condominium is a brand new boutique residence setting a premium standard of luxury at the crossroads of prime Chelsea/West Flatiron.
The magnificent 4 bedroom, 5 bath Maisonette boasting an awe-inspiring 5,644 sq ft interior, incredible 1,323 sq ft private garden terrace and prized a PRIVATE ONSITE PARKING spot is the crowning jewel of the 9 thoughtfully architected, meticulously appointed homes. Three expansive floors of sophisticated living space suit the most discriminating taste, with generously-proportioned open-concept main rooms and a sprawling terrace for entertaining. Direct keyed elevator access into a private vestibule with honed Supai limestone flooring introduces your entry into a grand light-filled ambiance with exquisite details, adhering to the highest standards. Massive floor-to-ceiling windows, rift cut custom stained oak millwork, wide plank white oak wood flooring in a Chevron pattern, along with the finest finishes, fixtures, stones and marbles are among many superior refinements. The seamless flow of the great room, dining room, gourmet kitchen and garden terrace creates a stylish, efficient backdrop for hosting guests. The discerning chef will appreciate the impeccable kitchen adorned with custom stained eucalyptus cabinetry, soft white glass cabinets with champagne bronze frames, Madre Perola quartzite stone countertops and backsplashes, a Supai limestone tiled floor, Dornbracht Platinum matte fixtures, and a butler's pantry with wet bar. The stellar Miele appliance package includes 2 integrated 30 refrigerators, a 5-burner gas range and hood, stainless steel convection and speed ovens, integrated dishwasher and 102-bottle wine fridge.
Four spacious bedrooms are highlighted by the indulgent master suite with a large dressing room and elegant spa bath, plus quiet home office on the second level. The fabulous lower/cellar level is a retreat unto itself with 1,448 sq ft of amenity space complete with a large recreation room, lounge and state- of-the-art media room. A proper laundry room is equipped with an LG Steamwasher and Ultra-Large dryer.
Idyllically situated on prime West 21st Street between Avenue of the Americas and Seventh Avenue, The Twenty 1 offers 9 bespoke residences in downtowns most coveted locale with a part-time doorman, a private garage and breathtaking rooftop terrace.
Features & Amenities
Interior Features
Exterior Features
Appliances
Building Information
Financial Details
About Chelsea
View All Chelsea ListingsChelsea is the epicenter of New York’s contemporary art world and a hub for innovative architecture. Home to the High Line and Chelsea Market, the neighborhood mixes industrial history with modern luxury. The real estate market here is dominated by high-end condominium developments designed by world-renowned architects, alongside historic pre-war lofts and historic townhouses in the Chelsea Historic District.
Chelsea Live Market Data
View NeighborhoodActive Listings
320
Median Asking Price
$1.66M
Median $/Sqft
$1,756
Avg Days on Market
N/A
New This Week
27
Price Reduced
27%
Sold (30 Days)
35
Median Sale Price
$2.02M
Live data from RLS at REBNY • Updated 5/9/26, 7:39 PM EST
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Location
117 W 21st Street #MAIS, Chelsea, New York County • Near Avenue of the Americas/Seventh Avenue
Building Information
Official NYC property records for this building
Tax & Assessment
Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.
Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)
Want help estimating ownership costs or understanding building compliance? Let's discuss
Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Building Data
NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning. Updated quarterly.
Market Data
RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.
Map & Location
OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.
All data is provided for informational purposes only and should be independently verified. See our Data Sources Policy for more information.
Frequently Asked Questions
Common questions about this property
The current listed common charges are $2,555 per month. Confirm the exact amount with the listing broker before making an offer.
The current listed annual property tax is $77,508, or roughly $6,459 per month. Verify the current assessment with your attorney before closing.
This property has 4 bedrooms and 4 full bathrooms and 1 half bathroom.
The listed interior living area is 5,644 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 2018, making it approximately 8 years old.
This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.
Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.
At the current list price of $8,995,000 for 5,644 sq ft, the asking price per square foot is approximately $1,594. This figure is for reference only and may differ from appraised or assessed values.
To schedule a private showing, contact Milton Coste at (917) 416-7433 or mcoste@kwnyc.com. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.
Have a question not answered here?
(917) 416-7433Listing Courtesy of Nest Seekers International - Brian Chan
Listing Contact: (646) 996-5730
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. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.
Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.
RLS Data display by Keller Williams NYC. Data last updated on 5/9/2026 at 11:39 PM UTC