Building
40 E 21st St
40 E 21st St, Manhattan, NY 10010

40 E 21st St is a co-op building located at 40 E 21st St in Manhattan. It was built in 1906. The structure rises 11 stories and contains 11 units.


40 E 21st St is located in the Flatiron. This building offers common roof deck and elevator.

Units

There are no active listings available.

Building
40 E 21st St
40 E 21st St, Manhattan, NY 10010

Building Amenities

Common Roof Deck
Elevator
Pre-war

Building Facts

Building Overview
Property Type: Co-op
Building Size: Midrise
Access: Elevator
Service Level: -
Year Built: 1906
Building Era: Pre-war
Building Class: RM
Size & Dimensions
Units: 11
Stories: 11
Building Sq. Ft.: 23,375 Sq. Ft.
Lot Sq. Ft.: 2,300 Sq. Ft.
Building Width: 25 Ft.
Building Depth: 83 Ft.
Lot Width: 25 Ft.
Lot Depth: 92 Ft.
Buildings on Lot: 1
Zoning & Use
Zoning Districts: M1-5M
Land Use Category: RM
Residential Units: 11
Total Units: 11
Residential Area(SF): 14,922 Sq. Ft.
Commercial Area(SF): 2,000 Sq. Ft.
Location Details
Street Address: 40 E 21st St
Zip Code: 10010
Building Name: -
Complex Name: -
Neighborhood: Flatiron
City: Manhattan
State: NY
Districts
Community District: 105
City Council: 2
Police Precinct: 13
Fire Department: E014
Historic District: Ladies' Mile Historic District
School District: 02

Similar Buildings

Neighborhood Map and Transit

Schools


SchoolTypeGradesDistanceRating
Ballet Tech Nyc Ps For DancePublic4-80.1 mi
7
The EcolePrivatePK-80.1 mi
NR
School Of The Future High SchoolPublic6-120.2 mi
6
Baruch College Campus High SchoolPublic9-120.2 mi
9

Ballet Tech Nyc Ps For Dance

4-8, 0.1 mi, Public

7

The Ecole

PK-8, 0.1 mi, Private

NR

School Of The Future High School

6-12, 0.2 mi, Public

6

Baruch College Campus High School

9-12, 0.2 mi, Public

9

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Neighborhood image
Flatiron
A historic district with a modern finish. With its central location, Flatiron is great for those who want a little bit of everything. Bustling daytime transit dissipates into relaxed evening strolls as Flatiron bends to be energetic when you want it, and peaceful when you don’t.

More information about 40 E 21st St, Manhattan, NY 10010

As a benchmark, a co-op at East 21st Street recently sold for $2,999,000. This building sits amid Chelsea, Downtown Manhattan, Flatiron, Gramercy and Kips Bay, intersecting ZIP codes 10001, 10016, 10011, 10009 and 10003 — and directly borders Manhattan, New York, Brooklyn, Queens and Hoboken. For added insight, see how this compares to average rental rates in Manhattan. *All numbers are for indication only and are not guaranteed.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.

Updated as of Apr 7, 2026.