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42 E 23rd St
New York, NY 10010
Office Property For Sale

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Investment Highlights

  • The favorable C6-4M allows residential and commercial allowing up to 10.0 FAR
  • The site is a 2-minute walk from the 23 Street Stations providing access to subway lines R, W, and 6 train routes.
  • The site has is fully vacant presenting the new owners a blank slate for investors, developers or owners-users

Executive Summary

BKREA has been retained on an exclusive basis to arrange the sale of 42 East 23rd Street (“The Property”), a remarkable eight-story commercial building that is currently vacant. The Property has a lot area of approximately 2,469 square feet and is located on the south side of East 23rd Street, with roughly 25 feet of frontage between Park Avenue South and Broadway. It is just steps from Madison Square Park and in close proximity to the Flatiron Building, one of New York City’s most iconic landmarks. Constructed in 1905, 42 East 23rd Street comprises a total of 17,078 gross square feet. The Property is located within a C6-4M (R10 equivalent) zoning district. The as-of-right zoning allows for a 10.0 FAR for residential, commercial, and community facility uses, translating to approximately 24,690 zoning floor area (ZFA). Given the R10 equivalent, the site can achieve up to a resi FAR of 12.0 or 29,628 ZFA through the purchase of off-site UAP certificates from a generating site within Community Board 5 or within one-half mile of the Property. Alternatively, the additional 2.0 FAR may be built on-site through the inclusion of affordable housing. 42 East 23rd Street presents a blank slate for developers, conversion specialists, office investors, or owner-users to bring their new vision to life.

Property Facts

Sale Type
Investment or Owner User
Sale Condition
Redevelopment Project
Property Type
Office
Building Size
17,078 SF
Building Class
F
Year Built
1905
Percent Leased
100%
Tenancy
Multiple
Building Height
8 Stories
Typical Floor Size
2,135 SF
Slab To Slab
10’
Building FAR
6.53
Lot Size
0.06 AC
Zoning
C6-4M - C6 districts permit a wide range of high-bulk commercial uses requiring a central ­location

Amenities

  • Bus Line
  • Metro/Subway

Property Taxes

Property Taxes

Parcel Number
0851-0048
Land Assessment
$450,000
Improvements Assessment
$368,370
Total Assessment
$818,370
  • Listing ID: 38373996

  • Date on Market: 11/7/2025

  • Last Updated:

  • Address: 42 E 23rd St, New York, NY 10010

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