- Overview
- Description
- Property Details
- Location
- HOA Management
- Facts & Features
- Getting Around
$2,950,000
Monthly Est:$14,683
3 Beds
- 3 Baths
2 full baths + 1 half bath
2,584sqft
29 W 21st Street #MAIS, New York City, NY 10010
$2,950,000
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Apartment
Built in 1910
$2,592/mo HOA
2,518.12 sqft lot
$1,142/sq.ft
Description
Meet The Maisonette.
A dramatic duplex loft with the privacy and presence of a townhouse, The Maisonette at 29 West 21st Street is a rare downtown residence in the heart of Flatiron—pairing grand proportions, authentic loft character, and a secluded outdoor retreat within an intimate six-residence boutique condominium.
Entered directly from the building lobby, The Maisonette opens into an expansive living and entertaining space with soaring ceilings reaching approximately 12 feet. Wide-plank smoked Austrian oak floors extend toward oversized matte-black steel casement windows, while exposed brick, wood-paneled walls, and thoughtfully integrated cove lighting bring warmth and texture to the home’s industrial architecture.
At the center of the loft, the open kitchen is both refined and functional, with premium appliances seamlessly incorporated into custom, locally milled cabinetry. Generous proportions allow living, dining, and entertaining to coexist effortlessly, while a powder room provides convenience for guests. The scale of the main living area also allows for a convertible three-bedroom configuration, offering additional flexibility to accommodate evolving lifestyle, household, or guest needs.
An architectural wraparound staircase leads to the private lower level, where spacious and serene bedrooms feature en-suite baths, generous closet space, and radiant floor heating. Each bedroom opens directly onto a secluded rear patio framed by high brick walls—an unexpected private refuge from the energy of the city. A flexible den or home office provides additional space to work, unwind, or host.
The residence is completed by a private laundry room with deep sink and linen storage, central air conditioning, oversized windows, and discreet 24-hour remote monitoring with virtual lobby attendant and secure package delivery.
Set within a landmarked 1909 Renaissance Revival building in the Ladies’ Mile Historic District, 29 West 21st Street is an intimate collection of just six full-floor loft residences, thoughtfully transformed with a design language that balances the building’s industrial heritage with Scandinavian simplicity and warmth.
Moments from Fifth Avenue, Madison Square Park, celebrated dining and shopping, and exceptional transportation, The Maisonette offers something increasingly difficult to find in Manhattan: the scale and soul of a classic downtown loft, the privacy of townhouse living, flexible living possibilities, and a hidden outdoor retreat—all in the heart of Flatiron.
- Houzeo last checked: 12 hours ago
- Listing updated: October 25, 2026 at 6:09 pm
- Listing Provided by: Kevin Lam (347) 989-5267 , Cindy Scholz (212) 913-9058 | Compass (212) 913-9058
- Source: Rebny MLS-NY | MLS#: RLS20114998

This condo is in:
Property Details
Status
Active
Type
Townhouse
No. of Stories
7
County
City
Neighborhood
--
Year Built
1910
HOA Fees
$2592/mo
Finished Area
2,584 sqft
Lot Size
2,518.12 sqft lot
Basement Area
- sqft
MLS Name
Rebny MLS
MLS Number
RLS20114998
Days on Market
50

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Location
HOA Management
N/A
HOA Fees
$2,592/ Monthly
Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 3
Bathrooms: 3
Interior
Flooring
Hardwood
Cooling
Central Air
Exterior Features
Private Outdoor Space Over60sqft
Appliances
Stainless Steel Appliances
Interior Features
Chandelier, Double Vanity, High Ceilings, Recessed Lighting, Walk In Closets
Construction
Year Built
Year Built: 1910
Home type
Apartment
Architectural Style
Loft
Utilities & Energy
Laundry Features
Common On Floor, Common Area, In Unit
Other Features
Community Features
Clubhouse
Patio And Porch Features
Patio, Terrace
Subdivision Name
Flatiron
Price History
| Date | Event | Price |
|---|---|---|
09/14/2026 Source: | Listed for Sale | $2,950,000 -6.35% $1,142/sqft |
09/14/2026 Source: | Price Increased | $3,150,000 +20900.00% $1,219/sqft |
02/15/2017 Source: | Price Increased | $15,000 +53.85% $6/sqft |
01/07/2016 Source: | Price Decreased | $9,750 -42.65% $4/sqft |
12/13/2013 Source: | Sold | $17,000 $7/sqft |
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The real estate listing data marked with this icon comes from the IDX program of the RLS at REBNY Listing Service (RLS). Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS") through Nov 02, 2026, 02:15PM. Information deemed reliable but not guaranteed. Information is provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than the identification of potential properties for purchase. 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. Buyer to verify all information. © 2026 The Real Estate Board of New York, Inc. All rights reserved.
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