Skip to Content
40 East 21st Street - Flatiron/Union Square
  • Apartments
  • Overview & Photos
  • Maps
  • Ratings & Insider Info
  • Floorplans
  • Sales Data & Comps
  • Similar Buildings
40 East 21st Street

40 East 21st Street

Co-op located in Flatiron/Union Square

  • For Rent (1)
  • Recent Sales (2)
  • All Units in Building (1)
Unit #
Beds
Baths
Size
Price / Ft2
Price
Listed on
Days on Market
Unit #
Beds
Baths
Size
Closing Price
Price / Ft2
Asking Price
Sold on
View Full Sales History

Overview of 40 East 21st Street

40 East 21st Street was built in 1906 and has a total of 1 apartment. Located in Flatiron/Union Square, 40 East 21st Street is very close to the N, R and 6 subway lines.

Similar nearby buildings include 29 East 22nd Street, 102 East 22nd Street and 4 West 16th Street.

Year Built
1906
Apartments
1
Floors
11
Neighborhood
Min Down
20%
1Apartments
View All Past
Sales & Rentals
in Building

Amenities

  • Intercom
  • Elevator

Shh... Many units sell without being publicly listed.

Learn more about off-market listings at 40 East 21st Street!

{ "key" : "AIzaSyDquABdSLhathmwfnoTcYwA1BY6coZZyZk", "lat": 40.739091, "lng": -73.988454, "marker": { "icon": "https://img4-ab.cityrealty.com/neo/i/w/amenities/base.png" } }

Nearby Subways

  1. 6
at Park Ave 0.11 miles
  1. N
  2. R
at Broadway 0.16 miles
  1. Q
  2. 4
  3. 5
  4. L
at Broadway and 16th 0.26 miles
  1. M
  2. F
at 6th Ave 0.35 miles
  1. 1
  2. 2
  3. 3
at 6th Ave and 16th 0.41 miles

Pricing Comparison of Similar Buildings

View Detailed Comparison
200 East 75th Street
at the southeast corner of Third Avenue
Lenox Hill
A remarkable blend of classicism and contemporary sensibility. Spacious two- to six-bedroom homes on the Upper East Side. Delivery summer 2025
Learn More