Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $8,500,000

Listed at $8,995,000 · Sold 5.5% below asking · Closed September 24, 2018

117 W 21st Street #MAIS
Closed For Sale Condo

$8,995,000

$1,594 per sq ft

117 W 21st Street #MAIS

Chelsea, Manhattan

The Twenty 1

MLS® #RLS10314396

RLS at REBNY

Listing by Nest Seekers International

4

Bedrooms

4.5

Baths

5,644

Sq. Ft.

2018

Year Built

Quick Summary

Bedrooms 4
Bathrooms 5 full, 1 half
Living Area 5,644 sq ft
Year Built 2018
Ownership Condo
HOA/Common Charges $2,555/mo
Property Taxes $77,508/yr
Parking Garage
Neighborhood Chelsea
Floor 1 of 12

Property Highlights

  • Exposure: North facing
  • Climate Control: Central Air
  • Parking: Private garage

Property Details

Type Condo
Ownership Condominium
Total Rooms 9
Baths 4 Full, 1 Half
Floor 1 of 12
Exposure North
Cooling Central Air
Pets Yes
Cross Street Avenue of the Americas/Seventh Avenue
Year Built 2018 (New)
Living Area 5,644 sq ft
Parking Garage Available
Block/Lot 797/7509

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

Entrance Foyer Pantry Building Washer Dryer Install Allowed

Exterior Features

Building Roof Deck Garden

Appliances

Dryer Washer

Building Information

Financial Details

Common Charges $2,555/mo
RE Taxes $77,508/yr ($6,459/mo)
Sale Price $8,500,000
Previous Price $10,995,000

Chelsea 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 Neighborhood

Active 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

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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

2016
Year Built
10 years old
12
Floors
9
Residential Units
C6-3A
Zoning District
Condominiums

Tax & Assessment

Assessed Value: $10,706,850
Land Value: $360,000
Exemptions: $0

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 4,337 SF
Building Area: 32,838 SF
Built FAR: 7.57
Allowed FAR: 7.52

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

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) 416-7433
MLS® ID: RLS10314396
First Listed: 8/21/2016
Price Changed: 10/2/2018
Closed: 9/24/2018
Contract Date: 10/2/2018

Listing 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 at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 5/9/2026 at 11:39 PM UTC

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