Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $910,000

· Closed April 2, 2021

421 E 84th Street #4-F
Closed For Sale Co-op

$910,000

421 E 84th Street #4-F

Upper East Side, Manhattan

MLS® #RLS10655192

RLS at REBNY

Listing by Compass

1

Bedroom

2

Baths

N/A

Sq. Ft.

1922

Year Built

Quick Summary

Bedrooms 1
Bathrooms 2
Year Built 1922
Ownership Co-op
Maintenance $1,350/mo
Neighborhood Upper East Side
Floor 4 of 5

Property Highlights

  • Views: City
  • Exposure: North,South facing
  • Fireplace: Wood-burning or decorative fireplace

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 3
Baths 2 Full
Floor 4 of 5
View City
Exposure North,South
Pets CatsOk
Cross Street First Avenue/York Avenue
Year Built 1922
Architectural Style Prewar
Block/Lot 1564/110

Description

421 East 84th Street, #4F Upper East Side, New York Fall in love with this gorgeous one bedroom two bathroom duplex gem at 421 East 84th Street, a handsome brownstone co-op building in the heart of the Upper East Side. The lofty apartment is light, bright and airy, with a fabulous open floorplan, incredible private roof deck, and grand city views. Finely-appointed living space is enhanced by rich hardwood floors, exposed brick walls, a wood-burning fireplace, and sleek spiral staircase to the upper level. Enjoy the ease of entertaining with open living and dining served by a stunning renovated kitchen for the chef complete with a spacious center Island with extra seating- richly appointed with quartz countertops, herringbone backsplash, solid wood maple cabinets, soft pull drawers, a farmhouse Kohler sink, and wine refrigerator for your favorite vintages. A contemporary full bathroom featuring full slab porcelain tile walls and floors, Duravit soaking tub from the Philippe Starke Collection resides on the beautiful main level. Upstairs awaits a generously-sized serene bedroom complemented by an elegant full master bathroom with an oversized rain shower and custom cabinetry. Abundant closets with 2 incredible walk-ins complete the bedroom suite. Step out from here to the huge 10'8'x19' roof terrace for the ultimate outdoor entertaining and enjoyment, overlooking cityscapes and blue sky. Built in 1922, the charming prewar brownstone with 5 stories, 7 units and common laundry is perfectly situated on tree-lined 84th Street. The idyllic Upper East Side address is minutes to wonderful Carl Schurz Park along the East River, Whole Foods and Fairway gourmet markets, The Met, 2nd Avenue subway, and 4/5/6 trains. Your NYC oasis awaits! No dogs, subletting or pied-a-terres please.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed Common Area Fireplace

Appliances

Dryer Washer

Building Information

Stories 5
Style Prewar

Financial Details

Maintenance $1,350/mo
Sale Price $910,000

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

332

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, 8:46 AM EST

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Location

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421 E 84th Street #4-F, Upper East Side, New York County • Near First Avenue/York Avenue

Floor Plans

Floor Plan
MLS® ID: RLS10655192
First Listed: 3/6/2009
Price Changed: 4/2/2021
Closed: 4/2/2021
Contract Date: 8/5/2020

Listing Courtesy of Compass - Kathy Kaye

Listing Contact: (212) 439-3805

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 12:46 PM UTC

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