Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
21 E 61ST Street #4C
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Active For Sale Condop

$4,495,000

$3,135 per sq ft

21 E 61ST Street #4C

Lenox Hill, Manhattan

Carlton House

MLS® #RLS20076945

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

2

Bedrooms

2.5

Baths

1,434

Sq. Ft.

1951

Year Built

Quick Summary

Bedrooms 2
Bathrooms 3 full, 1 half
Living Area 1,434 sq ft
Year Built 1951
Ownership Condop
HOA/Common Charges $5,639/mo
Neighborhood Lenox Hill
Floor 4 of 16

Property Highlights

  • Views: City
  • Exposure: East facing
  • Climate Control: Other

Property Details

Type Condop
Ownership Condop
Total Rooms 4
Baths 2 Full, 1 Half
Floor 4 of 16
View City
Exposure East
Cooling Other
Pets Yes
Year Built 1951
Living Area 1,434 sq ft
Structure Type HighRise
Basement Other
Parcel # 1376-0015-00021-000-000004C
Block/Lot 01376/0015

Listing History

Event Date Price Change
Listed Mar 13, 2026 $4,495,000 -
Currently May 1, 2026 $4,495,000 -

Description

The Carlton House - Outstanding triple mint, designer "Turn Key" apartment, available for sale.

This sun-filled two bedroom with ensuite bathrooms and stunning powder room has open eastern exposures and clears the treetops on Madison Avenue. The open kitchen boasts custom lacquered upper cabinets and ebonized ash base cabinets with polished stone countertops. Professional grade appliances include a Miele: oven, gas cooktop, refrigerator, dishwasher, washer/dryer and an individual wine cooler. The stunning powder room is accented with reverse painted glass walls, custom mapa wood vanity, polished marble top and a mosaic floor.

The primary bedroom offers a sizable walk-in-closet and a double custom fitted closet across from the master bathroom. The 5-piece master bathroom features a custom mahogany vanity with marble countertop, stone floors, an over-sized spa tub and a separate stall shower. Custom millwork throughout and central air conditioning with individual thermostat control.

This exquisite residence offers 1,434 square feet of luxurious living space, featuring two spacious bedrooms, two pristine bathrooms, one stunning powder room and versatile living and dining areas with an Eastern exposure that bathes the home in an abundance of natural light.
The apartment is available furnished with all custom European designer furnishings. This is a stunning home!

Please note that the land lease payments are not the responsibility of the owners. The owners at The Carlton House pay zero dollars towards the land lease annual rent. Please call for further details. Located one block from Central Park, The Carlton House has a beautifully appointed lobby, full-time concierge offering personalized services, fitness center, 65-foot heated indoor swimming pool, steam rooms and resident's lounge with billiards table.

Features & Amenities

Interior Features

Building Other Washer Hookup In Unit

Exterior Features

Building Roof Deck

Building Amenities

Bike Storage Cold Storage Common Playroom Concierge Game Room Indoor Pool Spa Hot Tub Steam Room

Appliances

Washer Dryer Allowed

Building Information

Building Carlton House
Building Data View Compliance & Permits
Total Units 69
Stories 16
Structure HighRise

Financial Details

Common Charges $5,639/mo
Land Lease Yes

Lenox Hill occupies a residential section of the Upper East Side, defined by proximity to Central Park, major medical institutions (Memorial Sloan Kettering, Weill Cornell, Lenox Hill Hospital), and the Madison Avenue retail corridor. Housing stock ranges from large pre-war cooperatives to modern condominiums with East River and skyline views.

Lenox Hill Live Market Data

View Neighborhood

Active Listings

609

Median Asking Price

$1.47M

Median $/Sqft

$1,425

Avg Days on Market

N/A

New This Week

27

Price Reduced

34%

Sold (30 Days)

53

Median Sale Price

$1.25M

Live data from RLS at REBNY • Updated 5/1/26, 12:07 AM EST

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Location

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21 E 61ST Street #4C, Lenox Hill, New York County

Virtual Tour

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1940
Year Built
86 years old
2
Floors
2
Residential Units
R5
Zoning District
Two Family Dwellings

Tax & Assessment

Assessed Value: $71,940
Land Value: $19,380
Exemptions: $0

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

Lot Area: 2,660 SF
Building Area: 1,400 SF
Built FAR: 0.53
Allowed FAR: 1.5

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 $5,639 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 2 bedrooms and 2 full bathrooms and 1 half bathroom.

The listed interior living area is 1,434 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1951, making it approximately 75 years old.

This listing is a condop, a hybrid structure where the building is legally a co-op but individual units are sold with greater flexibility, often including subletting rights similar to condos.

Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.

At the current list price of $4,495,000 for 1,434 sq ft, the asking price per square foot is approximately $3,135. 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: RLS20076945
First Listed: 3/13/2026
On Market: 3/13/2026
Price Changed: 3/13/2026
Contract Date: 3/13/2026

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Maria DeFatima Pashby

Listing Contact: (917) 520-0592

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 5/1/2026 at 4:07 AM UTC

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