Last updated on Jun 6, 2026

421 East 78th Street

Charming pre-war co-op featuring renovated studios and one-bedrooms with high ceilings, hardwood floors, and modern kitchens. Prime Upper East Side location near Carl Schurz Park with excellent transit access and vibrant neighborhood amenities.

For Rent (1)
Recent Sales (1)
All Units in Building (16)

Apt. 1C
Quick view: 7 photos

1 bed

1 bath

$3,300 in contract

May 8, 2026

32 days

in contract

#1C: $3,300 - 1 bed

Apt. 2D

1 bed

1 bath

$399,000

Jan 26, 2023

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Overview of 421 East 78th Street

421 East 78th Street is a well-maintained co-op building located in the heart of the Upper East Side, known for its charming tree-lined streets and proximity to a variety of amenities. The building features a range of apartment types, including fully renovated studios and one-bedroom units, each showcasing high ceilings, hardwood floors, and ample natural light from large south-facing windows. Many apartments also include modern kitchens equipped with stainless steel appliances and renovated bathrooms, making them move-in ready for new residents.

Residents enjoy convenient access to laundry facilities within the building, and the neighborhood offers a vibrant mix of shops, restaurants, and parks, including nearby Carl Schurz Park. The location is well-served by public transportation, providing easy access to the rest of the city. Notably, the building's co-op status requires board approval for applicants, and while pets are generally not permitted, some flexibility exists for other types of pets.

The building's appeal is further enhanced by its historical charm, with many apartments featuring decorative fireplaces and pre-war details. The community atmosphere and the surrounding amenities make 421 East 78th Street a desirable choice for those looking to experience the quintessential Upper East Side lifestyle.

Doorman

None

Type

Co-op

Year Built

1910

Converted: 1957

Apartments

16 (view all units)

Floors

Neighborhood

Lenox Hill (Manhattan)

Min Down

20%

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Area Map StreetView

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at Lexington Ave 0.45 miles

Sales History

Price/Room (Est)

Why are we displaying the estimated price per room?

For some co-ops, instead of price per square foot, we use an estimate of the number of rooms for each sold apartment to chart price changes over time. This is because many co-op listings do not include square footage information, and this makes it challenging to calculate accurate square-foot averages.

By displaying the price per estimated room count, we are able to provide a more reliable and consistent metric for comparing sales in the building. While we hope that this gives you a clearer sense of price trends in the building, all data should be independently verified. All data provided are only estimates and should not be used to make any purchase or sale decision.

Price/Ft² (Est)

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Sales Summary

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Editorial Coverage

Santa's Helpers: New York apartments with fireplaces for under $600K Friday, December 20, 2019

ONE11 Residences

between Sixth Avenue & Seventh Avenue

Midtown West

Billionaires’ Row residences with park views and hotel services. Elevated one- to four- bed condos from $1.295M. Reduced pricing | Immediate occupancy

1 beds starting at $1,350,000
2 beds starting at $3,500,000

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RLS IDX Data display by CityRealty.com, LLC. This 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. IDX information is provided exclusively for consumers' personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.

All closed sales data has been provided by the New York City Department of Finance via the Automated City Register Information System (ACRIS). No warranty or representation is made as to the accuracy of any data provided by ACRIS or any other sources.

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An equal housing opportunity

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421 East 78th Street

All Apartments For Sale

Overview of 421 East 78th Street

Maps &3D Aerial Views

Sales History

Why are we displaying the estimated price per room?

Sales Summary

Sales History by Apartment Size

Pricing Comparison of Similar Buildings

Editorial Coverage

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Market Data

Market Insight

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3D Aerial Views