Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
303 E 77TH Street #15AB
Active For Sale Condo

$4,695,000

$1,418 per sq ft

303 E 77TH Street #15AB

Lenox Hill, Manhattan

The Isis Condominium

MLS® #RLS20057329

RLS at REBNY

Listing by Christies International Real Estate Group LLC

5

Bedrooms

5.5

Baths

3,312

Sq. Ft.

2008

Year Built

Quick Summary

Bedrooms 5
Bathrooms 5 full, 1 half
Living Area 3,312 sq ft
Year Built 2008
Ownership Condo
HOA/Common Charges $6,246/mo
Neighborhood Lenox Hill
Floor 15 of 18

Property Highlights

  • Views: City
  • Exposure: East,North,South,West facing
  • Outdoor Space: None, Balcony

Property Details

Type Condo
Ownership Condominium
Total Rooms 7
Baths 4 Full, 1 Half
Floor 15 of 18
View City
Exposure East,North,South,West
Cooling Other
Pets Yes
Year Built 2008
Living Area 3,312 sq ft
Structure Type HighRise
Basement Other
Block/Lot 01452/1026

Description

Exquisite Full-Floor Residence with Panoramic Views on the Upper East Side

Perched high above the city on the 15th floor of an exclusive boutique condominium, this remarkable five-bedroom, four-and-a-half-bathroom home offers the pinnacle of Upper East Side luxury living. With four open exposures and floor-to-ceiling windows throughout, every room is bathed in natural light and showcases expansive city and skyline views.

Occupying the entire floor, this residence combines privacy, space, and sophistication. A gracious private elevator landing offers a choice of entrances to the home. Door 15A opens into an expansive great room designed for both grand entertaining and relaxed living. The large eat-in kitchen is a chef's dream-featuring custom cabinetry, premium appliances, and an inviting breakfast area with beautiful eastern light.

The primary suite is a serene retreat, offering generous proportions, a luxurious en-suite bathroom, and ample closet space. Four additional bedrooms provide flexibility for guests, family, or home office needs, each designed with comfort and style in mind. A private balcony offers a tranquil outdoor escape for morning coffee or evening sunsets.

This boutique condominium is known for its attentive staff, 24-hour doorman, and beautifully landscaped roof decks, creating an intimate yet full-service living experience. Perfectly positioned in the heart of the Upper East Side, residents enjoy proximity to Central Park, world-class museums, top schools, and fine dining.

Experience full-floor living at its most refined - a rare opportunity to own a truly exceptional home in one of Manhattan's most distinguished neighborhoods.

Features & Amenities

Interior Features

Building Other Washer Hookup In Unit

Exterior Features

Balcony Building Roof Deck Private Outdoor Space Under60 Sqft None Balcony

Building Amenities

Bike Storage Concierge Elevators

Building Information

Building The Isis Condominium
Total Units 32
Stories 18
Structure HighRise

Financial Details

Common Charges $6,246/mo
Original Price $5,000,000
Previous Price $4,895,000

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 diverse, 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

570

Median Asking Price

$1.42M

Median $/Sqft

$1,440

Avg Days on Market

N/A

New This Week

26

Price Reduced

38%

Sold (30 Days)

46

Median Sale Price

$1.63M

Live data from RLS at REBNY • Updated 2/17/26, 5:30 PM EST

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Location

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303 E 77TH Street #15AB, Lenox Hill, New York County

MLS® ID: RLS20057329
First Listed: 10/29/2025
On Market: 10/29/2025
Price Changed: 2/17/2026
Contract Date: 10/29/2025

Listing Courtesy of Christies International Real Estate Group LLC - Michele Fox

Listing Contact: (917) 715-0927

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.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 2/17/2026 at 10:30 PM UTC

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