
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
Building Amenities
Building Facts
Similar Buildings
Neighborhood Map and Transit
Schools
| School | Type | Grades | Distance | Rating |
|---|---|---|---|---|
| Ballet Tech Nyc Ps For Dance | Public | 4-8 | 0.1 mi | 7 |
| The Ecole | Private | PK-8 | 0.1 mi | NR |
| School Of The Future High School | Public | 6-12 | 0.2 mi | 6 |
| Baruch College Campus High School | Public | 9-12 | 0.2 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.

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.
