Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $5,750,000

· Closed February 20, 2026

45 E 66TH Street #8S
Closed For Sale Co-op

$5,750,000

45 E 66TH Street #8S

Lenox Hill, Manhattan

777 Madison Avenue

MLS® #RLS20066667

RLS at REBNY

Listing by Classic Marketing LLC

4

Bedrooms

3

Baths

N/A

Sq. Ft.

1906

Year Built

Quick Summary

Bedrooms 4
Bathrooms 3
Year Built 1906
Ownership Co-op
Maintenance $7,759/mo
Neighborhood Lenox Hill
Floor 8 of 10

Property Highlights

  • Views: City
  • Fireplace: 1 fireplace
  • Climate Control: Other

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 7
Baths 3 Full
Floor 8 of 10
View City
Cooling Other
Pets Yes
Year Built 1906
Structure Type HighRise
Basement Other
Block/Lot 01381/7502

Listing History

Event Date Price Change
Listed Jan 13, 2026 $5,825,000 -
Currently Apr 22, 2026 $5,750,000 -1.3%

Description

ALL SHOWINGS AND OPEN HOUSES BY APPOINTMENT ONLY

45 E 66th Street 8S

New exclusive from Classic Marketing, a grand 4-bedroom sponsor unit with no board approval at 45 East 66th Street. A unique opportunity to own in this historic 1908 UES gem on Madison Avenue and 66th Street.

8S welcomes you with a grand and inviting entry gallery leading to a large sunny south and east facing corner living room with a wood burning fireplace. This residence features a formal dining room, windowed kitchen and a separate hallway leading to 4 bedrooms and 3 windowed baths. The exquisite primary bedroom with large bay window facing south and west over Madison Avenue has an ensuite bath and ample closet space.

This stately and charming residence enjoys wonderful light from three exposures, 10 + ft. ceilings with generous closet space and storage throughout.

8S is being sold in "AS-IS" condition, so bring your imagination and design to create your perfect home in this prewar star. No Board approval.

Built in 1908, 45 East 66th Street is a splendid landmarked prewar coop with a distinctive bricked facade and fine architectural details. There is a 24-hour doorman, live in super and white glove service. Located on one of the best streets in New York, you are steps from Central Park, museums, galleries, fine restaurants and designer shops and cultural events.

Features & Amenities

Interior Features

Building In Basement Washer Hookup In Unit Fireplace (1)

Exterior Features

None

Building Amenities

Elevators

Building Information

Building 777 Madison Avenue
Total Units 33
Stories 10
Structure HighRise

Financial Details

Maintenance $7,759/mo
Original Price $5,825,000
Sale Price $5,750,000
Previous Price $5,825,000

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

589

Median Asking Price

$1.29M

Median $/Sqft

$1,372

Avg Days on Market

N/A

New This Week

23

Price Reduced

32%

Sold (30 Days)

63

Median Sale Price

$1.32M

Live data from RLS at REBNY • Updated 4/22/26, 8:09 AM EST

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Location

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45 E 66TH Street #8S, Lenox Hill, New York County

Floor Plans

Floor Plan

Building Information

Official NYC property records for this building

1927
Year Built
99 years old
3
Floors
6
Residential Units
R5D
Zoning District
Walk-Up Apartments

Tax & Assessment

Assessed Value: $327,600
Land Value: $8,100
Exemptions: $0

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

Lot Area: 2,808 SF
Building Area: 5,712 SF
Built FAR: 2.03
Allowed FAR: 2

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 monthly maintenance are $7,759 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 4 bedrooms and 3 full bathrooms.

According to MLS records, the building was constructed in 1906, making it approximately 120 years old.

This listing is a co-op (stock cooperative). Buyers purchase shares in a corporation rather than real property, and the board must approve all sales.

Pets are permitted at this property: Pets Allowed,Building Pets Allowed Comments:Pets Allowed. Contact the listing broker for weight limits or breed restrictions.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. 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: RLS20066667
First Listed: 1/13/2026
On Market: 1/13/2026
Price Changed: 2/20/2026
Closed: 2/20/2026
Contract Date: 1/13/2026

Listing Courtesy of Classic Marketing LLC - Wendy Hope Leiser

Listing Contact: 212-371-0530

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 4/22/2026 at 12:09 PM UTC

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