Duplex · Upper East Side

425 East 78th Street #1B

Sovereign · New York, NY 10075
1
Bed
1
Bath
603
SF
$761
Per SF
103
Days on market
Jul 31, 2026
Listed

About this home

Why rent when you can begin your homeownership journey right here? Welcome to this truly distinctive duplex residence, offering an uncommon two-level layout in an intimate prewar cooperative on the Upper East Side. Combining the convenience of multi-level living with the amenities of an elevator building, this move-in ready home enjoys a coveted first-floor position, allowing for effortless access without the need to ride an elevator, while still maintaining the option to do so. Inside, warm p…

Courtesy of Lukas Alexander Hoback, Ashlie Roberson, and Tyler K Whitman, The Agency Brokerage

Mortgage calculator

Mortgage (P&I) $2,321/mo
Maintenance $1,317/mo
Owed with or without a mortgage$1,317/mo
Est. monthly
$3,638/mo
Down payment
Interest rate
Loan termyr fixed

Unit & Building

Ownership
Co-op
Rooms
3
Floor
1 of 7
Exposures
South
Cooling
Window Units
Laundry
Building In Basement, Common Area
Built
1910
Stories
7
Total units
35
Elevators
1

Amenities

Elevators, Green Building, Building Courtyard, Building Garden

Location

Map · parcels · transit

425 East 78th Street

New York, NY 10075

Price & listing history

Price reducedPreviously $475,000
Sep 9, 2026 
$459,000
-3.4%
ListedRLS20106725
Jul 31, 2026 
$475,000
103 days on market
ClosedOriginal ask $434,000
Apr 27, 2021 
$415,000
-4.4%
Under Contract 
Jan 28, 202138 days on market
—
ListedRLS10688983
Dec 21, 2020 
$434,000
$459,000

Neighborhood

Manhattan

Upper East Side

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Data Display by Harkov Lewis

Listing data last updated Nov 10, 2026, 11:51 PM EST

Listing information is deemed reliable but is not guaranteed accurate. This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. It is provided for consumers' personal, non-commercial use.

© 2026