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21 East 81st Street Upper East Side New York NY 10028
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21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
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21 East 81st Street

Upper East Side | NY
Fifth Avenue & Madison Avenue

Schedule a Viewing
New This Week
$ 16,500,000
Building For Sale
Property Type
Active
Status
18
Rooms
8,538/793
ASF/ASM
$ 120,024
Real Estate Taxes [Per Annum]
  • 21 East 81st Street
  • $ 16,500,000
21 East 81st Street Upper East Side New York NY 10028

Building Details

21 East 81st Street Upper East Side New York NY 10028
Multi-Family
Ownership
Townhouse
Building Type
None
Service Level
Elevator
Access
1493/12
Block/Lot
19'8"x66'
Building Size
19'8"x102'2"
Lot Size
RBB
Zoning
1899
Year Built
5/2
Floors/Apts

Photos

21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028

Floor Plan

21 East 81st Street Upper East Side New York NY 10028
21 East 81st Street Upper East Side New York NY 10028

Description

Just off Fifth Avenue on one of the Upper East Side's most coveted blocks, 21 East 81st Street presents a rare opportunity to own a piece of New York history.

Built in 1899, this south-facing, 20-foot-wide, six-story limestone townhome spans approximately 8,600 square feet and is crowned by a charming mansard roof. Grand interiors feature impressive 12-foot ceilings, multiple wood-burning fireplaces, elegant period details, and an elevator servicing all levels.

The parlor floor offers generous entertaining spaces, with sun-filled rooms and a massive windowed kitchen. Above are spacious bedrooms, oversized walk in closets, and a stately library. Crowning the residence is a beautiful landscaped roof deck with views of the Metropolitan Museum and space for dining, lounging, and entertaining.

Currently configured as an owner's quadruplex with a separate income-producing duplex, the home offers exceptional flexibility for extended family, guests, staff, a home office, gym, or den. It can also be returned to its original configuration as a grand single-family residence.

Set on one of the neighborhood's most elegant tree-lined blocks, 21 East 81st Street is moments from Central Park, the Guggenheim, Museum Mile, and the Upper East Side's celebrated restaurants, art galleries, and Madison Ave shopping.

Just off Fifth Avenue on one of the Upper East Side's most coveted blocks, 21 East 81st Street presents a rare opportunity to own a piece of New York history.

Built in 1899, this south-facing, 20-foot-wide, six-story limestone townhome spans approximately 8,600 square feet and is crowned by a charming mansard roof. Grand interiors feature impressive 12-foot ceilings, multiple wood-burning fireplaces, elegant period details, and an elevator servicing all levels.

The parlor floor offers generous entertaining spaces, with sun-filled rooms and a massive windowed kitchen. Above are spacious bedrooms, oversized walk in closets, and a stately library. Crowning the residence is a beautiful landscaped roof deck with views of the Metropolitan Museum and space for dining, lounging, and entertaining.

Currently configured as an owner's quadruplex with a separate income-producing duplex, the home offers exceptional flexibility for extended family, guests, staff, a home office, gym, or den. It can also be returned to its original configuration as a grand single-family residence.

Set on one of the neighborhood's most elegant tree-lined blocks, 21 East 81st Street is moments from Central Park, the Guggenheim, Museum Mile, and the Upper East Side's celebrated restaurants, art galleries, and Madison Ave shopping.


Listing Courtesy of Serhant LLC

Features

A/C
Laundry Room
Roof Deck
21 East 81st Street Upper East Side New York NY 10028

Contact

License Licensed As: Jay M. Heydt
Jay Heydt

Jay Heydt

License Licensed As: Jay M. Heydt

Principal Broker

W: 646-234-5815
M: 646-234-5815
Contact Agent Download VCard

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Loan Amount

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 REBNY Listing Service, Inc. All rights reserved. All information is intended only for the Registrant’s personal, non-commercial use. RLS Data display by Vertical Real Estate. Additional building data provided by On-Line Residential [OLR].
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.
Listing ID: 104685TH