Active For Sale • Condo

$995,000

$1,089 per sq ft

404 E 66TH Street #10F

Lenox Hill, Manhattan

Hardenbrook House

MLS® #RLS20082726

Listing by Douglas Elliman Real Estate

1

Bedroom

1

Bath

914

Sq. Ft.

1960

Year Built

Quick Summary

Bedrooms 1

Bathrooms 1

Living Area 914 sq ft

Year Built 1960

Ownership Condo

HOA/Common Charges $1,224/mo

Parking Garage

Neighborhood Lenox Hill

Floor 10 of 14

Property Highlights

• Views: City
• Climate Control: Wall Units
• Parking: Private garage

Property Details

Type Condo

Ownership Condominium

Total Rooms 3

Baths 1 Full

Floor 10 of 14

View City

Cooling Wall Units

Pets Yes

Year Built 1960

Living Area 914 sq ft

Parking Garage Available

Structure Type HighRise

Basement Other

Parcel # 1460-1102

Block/Lot 01460/1102

Description

This mint condition renovated 914 square foot home is the largest 1 Bedroom in the building and rarely becomes available. The Hardenbrook House Condominium is located on a quiet street near Rockefeller University. This quiet unit has a 5'2" x 6'5" entrance foyer that opens up into a nice sized Living Room 12'6" x 21"6" with charming open north facing views over 66th Street. There is a separate Dining Area that can also be used as a home office. There are 2 extra-large walk-in closets. There is an abundance of natural light throughout the apartment.

The windowed galley kitchen has been completely renovated with custom lacquer cabinetry, countertops and stainless-steel appliances.

The primary Bedroom has a built-in storage unit with a separate area of bookshelves along the window with a built-in desk area.

In addition, there are 2 separate closets one of which is a walk-in.

Renovated classic white tiled bathroom.

The apartment comes with a separate Bargold storage unit in the basement.

The Hardenbrook House Condominium is located in the Lenox Hill neighborhood in the heart of the Upper East Side and is near Trader Joe's, several subway lines, Central Park, St. Catherine's Park, the East River Greenway and all conveniences. There is a full-time doorman and live in Resident Manager.

Monthly assessment of $513 through 9/29 for capital improvements.

Features & Amenities

Interior Features

Building Other

Exterior Features

Building Courtyard

Building Amenities

Elevators Storage

Building Information

Building Hardenbrook House

Total Units 158

Stories 14

Structure HighRise

Financial Details

Common Charges $1,224/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

569

Median Asking Price

$1.61M

Median $/Sqft

$1,418

Avg Days on Market

N/A

New This Week

29

Price Reduced

36%

Sold (30 Days)

79

Median Sale Price

$1.40M

Live data from RLS at REBNY • Updated 4/9/26, 5:15 PM EST

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Location

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404 E 66TH Street #10F, 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.

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MLS® ID: RLS20082726

First Listed: 4/9/2026

On Market: 4/9/2026

Price Changed: 4/9/2026

Contract Date: 4/9/2026

Listing Courtesy of Douglas Elliman Real Estate - Bertrande C Coleman

Listing Contact: -

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.

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RLS Data display by Keller Williams NYC. Data last updated on 4/9/2026 at 9:15 PM UTC