Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $3,350,000

· Closed September 29, 2023

170 E 77TH Street #9C
Closed For Sale Condo

$3,350,000

$1,340 per sq ft

170 E 77TH Street #9C

Upper East Side, Manhattan

Diamond House

MLS® #RLS10895040

RLS at REBNY

Listing by Douglas Elliman Real Estate

4

Bedrooms

4

Baths

2,500

Sq. Ft.

1940

Year Built

Quick Summary

Bedrooms 4
Bathrooms 4
Living Area 2,500 sq ft
Year Built 1940
Ownership Condo
HOA/Common Charges $3,046/mo
Property Taxes $35,112/yr
Neighborhood Upper East Side
Floor 9 of 11

Property Highlights

  • Exposure: East,North facing
  • Style: Prewar architecture
  • Character: Pre-war building (1940)

Property Details

Type Condo
Ownership Condominium
Total Rooms 8
Baths 4 Full
Floor 9 of 11
Exposure East,North
Pets Yes
Cross Street LEXINGTON AVENUE and 3 AVENUE
Year Built 1940
Living Area 2,500 sq ft
Architectural Style Prewar
Parcel # 1411-1144

Description

Brand New Renovation!! In this gorgeous 4 bedroom, 4 bath home with hardwood floors, custom bathrooms and a windowed chef's kitchen with a breakfast nook.

Enter into the open gallery and immediately view the double sunken living room with large windows, open city views and great northern light. The dining area is open to the living area, creating a loft like and seamless space for entertaining. The windowed and eat-in chef's kitchen is fully equipped with top-of-the-line appliances, including a 6 burner stove, wine cooler, large oven and warming drawer, built in convection microwave 48 inch refrigerator / freezer and a separate breakfast nook.

The master bedroom is a corner room with a great large corner window with northern and eastern light. There is also a wall of closets and a beautiful natural stone en-suite bathroom with double vanity, soaking tub and large glass shower. All of the other bathrooms are beautifully renovated.

In addition, the apartment includes a built in surround sound system, soundproof casement windows, hardwood floors throughout, and a washer dryer.

The Diamond House is a full service condominium centrally located on East 77th Street, close to the subway, cross-town bus and the Upper East Side's finest dining and boutiques. Built in 1942 and converted in 2007, the building amenities include a wonderful landscaped roof deck, sky-lit gym and bike room.

There is currently an assessment of $331.84 per month on the apartment.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed

Appliances

Washer Dryer Allowed

Building Information

Building Diamond House
Total Units 51
Stories 11
Style Prewar

Financial Details

Common Charges $3,046/mo
RE Taxes $35,112/yr ($2,926/mo)
Original Price $3,600,000
Sale Price $3,350,000
Previous Price $3,600,000

The Upper East Side remains the gold standard for classic New York elegance. Known for 'Museum Mile' and its quiet, tree-lined streets, the neighborhood offers a refined lifestyle away from the midtown bustle. While famous for its historic cooperatives, the area has seen a recent surge in ultra-luxury new construction condos, particularly along the Second Avenue Subway corridor, making it a top choice for both traditionalists and modern buyers.

Upper East Side Live Market Data

View Neighborhood

Active Listings

322

Median Asking Price

$1.30M

Median $/Sqft

$1,453

Avg Days on Market

N/A

New This Week

16

Price Reduced

22%

Sold (30 Days)

33

Median Sale Price

$1.40M

Live data from RLS at REBNY • Updated 3/28/26, 12:53 AM EST

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Location

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170 E 77TH Street #9C, Upper East Side, New York County • Near LEXINGTON AVENUE and 3 AVENUE

Floor Plans

Floor Plan
MLS® ID: RLS10895040
First Listed: 3/9/2023
Price Changed: 9/29/2023
Closed: 9/29/2023
Contract Date: 3/9/2023

Listing Courtesy of Douglas Elliman Real Estate - Michael Cooper

Listing Contact: (917) 770-3324

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 3/28/2026 at 4:53 AM UTC

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