Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $795,000

· Closed March 9, 2021

20 E 84th Street #6-B
Closed For Sale Co-op

$795,000

$935 per sq ft

20 E 84th Street #6-B

Upper East Side, Manhattan

MLS® #RLS10624285

RLS at REBNY

Listing by Compass

1

Bedroom

1

Bath

850

Sq. Ft.

1890

Year Built

Quick Summary

Bedrooms 1
Bathrooms 1
Living Area 850 sq ft
Year Built 1890
Ownership Co-op
Maintenance $2,069/mo
Neighborhood Upper East Side
Floor 6 of 6

Property Highlights

  • Exposure: South facing
  • Style: Prewar architecture
  • Character: Pre-war building (1890)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 4
Baths 1 Full
Floor 6 of 6
Exposure South
Pets Yes
Cross Street Fifth Avenue/Madison Avenue
Year Built 1890
Living Area 850 sq ft
Architectural Style Prewar
Block/Lot 1495/59

Description

Estate Jewel A rare opportunity to create this top floor one bedroom, one bath into your dream home. This apartment offers large southern facing windows and abundant light with views overlooking trees and gardens. 18-20 East 84th Street is a boutique cooperative, originally built as a turn of the century Georgian mansion. Pet friendly & pied-a-terre friendly. This elegant, elevator building features storage, central laundry & a gorgeous, part-time attended lobby. This is a must see! There is a special assessment of $96.51 per month until May 2023 & a flip tax of 2.25%.

Features & Amenities

Interior Features

Common Area

Building Information

Stories 6
Style Prewar

Financial Details

Maintenance $2,069/mo
Sale Price $795,000

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

331

Median Asking Price

$1.75M

Median $/Sqft

$1,525

Avg Days on Market

N/A

New This Week

28

Price Reduced

27%

Sold (30 Days)

32

Median Sale Price

$1.53M

Live data from RLS at REBNY • Updated 4/18/26, 4:45 PM EST

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Location

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20 E 84th Street #6-B, Upper East Side, New York County • Near Fifth Avenue/Madison Avenue

Floor Plans

Floor Plan
MLS® ID: RLS10624285
First Listed: 3/3/2020
Closed: 3/9/2021
Contract Date: 3/3/2020

Listing Courtesy of Compass - Hilary Rovins

Listing Contact: (917) 562-2781

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 4/18/2026 at 8:45 PM UTC

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