Active For Sale • Co-op

$995,000

45 E 66TH Street #5N

Lenox Hill, Manhattan

777 Madison Avenue

MLS® #RLS20078627

Listing by Classic Marketing LLC

1

Bedroom

1

Bath

N/A

Sq. Ft.

1907

Year Built

Quick Summary

Bedrooms 1

Bathrooms 1

Year Built 1907

Ownership Co-op

Maintenance $2,884/mo

Neighborhood Lenox Hill

Floor 5 of 10

Property Highlights

• Views: City
• Climate Control: Other
• Character: Pre-war building (1907)

Property Details

Type Co-op

Ownership Stock Cooperative

Total Rooms 4

Baths 1 Full

Floor 5 of 10

View City

Cooling Other

Pets Yes

Year Built 1907

Structure Type HighRise

Basement Other

Block/Lot 01381/7502

Description

45 East 66th Street - 5N

New exclusive from Classic Marketing, a charming sponsor one bedroom, one bath residence with no board approval at 45 East 66th Street, the historic 1908 UES gem on Madison Avenue and 66th Street.

Enter the 5N closet-filled foyer to find a gracious living room with a special step-up windowed alcove perfect for your home office or reading niche. The windowed kitchen and separate windowed dining room will make meals and entertaining special. The windowed bathroom is conveniently located outside the corner bedroom with beautiful light coming from north and east facing windows. Enjoy the 10 + ft. ceilings and ample closet space to meet your needs.

Residence 5N is being sold in "AS-IS" condition, ready for you to create and design the jewel of a home you have always dreamed of in one of the most iconic coop properties in New York City.

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

Exterior Features

None

Building Amenities

Elevators

Building Information

Building 777 Madison Avenue

Total Units 33

Stories 10

Structure HighRise

Financial Details

Maintenance $2,884/mo

About Lenox Hill

View All Lenox Hill Listings

Lenox Hill offers a sophisticated blend of residential tranquility and cosmopolitan convenience. As one of the most coveted sections of the Upper East Side, the neighborhood is defined by its proximity to Central Park, world-class medical institutions, and the high-end boutiques of Madison Avenue. The housing stock here is wide-ranging, from palatial pre-war cooperatives to sleek, modern condominiums that offer sweeping views of the East River and the city skyline.

Lenox Hill Live Market Data

View Neighborhood

Active Listings

581

Median Asking Price

$1.25M

Median $/Sqft

$1,385

Avg Days on Market

N/A

New This Week

30

Price Reduced

29%

Sold (30 Days)

74

Median Sale Price

$1.55M

Live data from RLS at REBNY • Updated 3/21/26, 3:59 PM EST

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Location

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45 E 66TH Street #5N, Lenox Hill, New York County

NYC Zoning • Google Maps • Street View

Floor Plans

Data Sources & Methodology

Listing Data

RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.

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.

MLS® ID: RLS20078627

First Listed: 3/21/2026

On Market: 3/21/2026

Price Changed: 3/21/2026

Contract Date: 3/21/2026

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 Data display by Keller Williams NYC. Data last updated on 3/21/2026 at 7:59 PM UTC