Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
399 E 78TH Street #4B
Interested in this property?
Active For Sale Co-op

$350,000

399 E 78TH Street #4B

Lenox Hill, Manhattan

MLS® #RLS20067754

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

Studio

1

Bath

N/A

Sq. Ft.

1911

Year Built

Quick Summary

Bedrooms Studio
Bathrooms 1
Year Built 1911
Ownership Co-op
Maintenance $1,204/mo
Neighborhood Lenox Hill
Floor 4 of 7

Property Highlights

  • Views: City
  • Exposure: South facing
  • Character: Pre-war building (1911)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 2
Baths 1 Full
Floor 4 of 7
View City
Exposure South
Pets Yes
Year Built 1911
Structure Type HighRise
Basement Other
Block/Lot 01473/7503

Listing History

Event Date Price Change
Listed Jan 20, 2026 $350,000 -
Currently May 4, 2026 $350,000 -

Description

Flooded with southern light, this Upper East Side studio offers the perfect blend of style, function, and location. Oversized south-facing windows fill the space with natural light throughout the day, creating an open and airy feel rarely found in a studio. The intelligently designed layout features a built-in Murphy bed that effortlessly transforms the apartment from a comfortable bedroom into an expansive living space. A generously sized walk-in closet is a standout bonus for this studio home.

Beautiful hardwood floors run throughout, complemented by a separate kitchen with stainless steel appliances and a clean, modern bathroom. Every square foot has been thoughtfully utilized, making this apartment ideal for everyday living.

Apartment 4B is perfectly situated at 399 East 78th Street, just moments from Carl Schurz Park, the East River Promenade, top dining, shopping, and multiple transportation options. Building features include a live-in Resident Manager, elevator, and laundry in building. The cooperative also allows unlimited subletting, co-purchasing, pied-a-terre ownership, and gifting are allowed . An exceptional opportunity for a primary residence, pied-à-terre, or investment in one of Manhattan's most coveted neighborhoods.

Features & Amenities

Interior Features

Building Other

Exterior Features

None

Building Amenities

Elevators

Appliances

Washer Dryer Allowed

Building Information

Building Data View Compliance & Permits
Total Units 35
Stories 7
Structure HighRise

Financial Details

Maintenance $1,204/mo

Lenox Hill occupies a residential section of the Upper East Side, defined by proximity to Central Park, major medical institutions (Memorial Sloan Kettering, Weill Cornell, Lenox Hill Hospital), and the Madison Avenue retail corridor. Housing stock ranges from large pre-war cooperatives to modern condominiums with East River and skyline views.

Lenox Hill Live Market Data

View Neighborhood

Active Listings

605

Median Asking Price

$1.18M

Median $/Sqft

$1,317

Avg Days on Market

N/A

New This Week

20

Price Reduced

36%

Sold (30 Days)

57

Median Sale Price

$1.32M

Live data from RLS at REBNY • Updated 5/4/26, 2:02 PM EST

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Location

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399 E 78TH Street #4B, Lenox Hill, New York County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1910
Year Built
116 years old
7
Floors
35
Residential Units
C1-9
Zoning District
Condominiums

Tax & Assessment

Assessed Value: $3,705,751
Land Value: $765,000
Exemptions: $0

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 3,339 SF
Building Area: 25,810 SF
Built FAR: 7.73
Allowed FAR: 10

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed monthly maintenance are $1,204 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 0 bedrooms and 1 full bathroom.

According to MLS records, the building was constructed in 1911, making it approximately 115 years old.

This listing is a co-op (stock cooperative). Buyers purchase shares in a corporation rather than real property, and the board must approve all sales.

Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS20067754
First Listed: 1/20/2026
On Market: 1/20/2026
Price Changed: 1/20/2026
Contract Date: 1/20/2026

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - William D Eichman

Listing Contact: (917) 741-9046

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 5/4/2026 at 6:02 PM UTC

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