East River Professional Building

Off Market

521 East 72nd Street, New York, NY 10021

  • Office
  • Medical Office
  • 108,685 Sqft

East River Professional Building, New York, NY 10021 - Office Space

East River Professional Building is located at 521 East 72nd Street in the Lenox Hill neighborhood, NY, New York, 10021. The Class B Office building was completed in 1920 and features a total of 108,685 Sqft.

There are 92 office spaces for lease in the Lenox Hill neighborhood, totaling 441,371 Sqft of available office space. The office space availability for the 10021 zip code is 14,830 Sqft, in 9 office spaces. The average asking office rent per sq. ft. in Lenox Hill is $75/sqft/year. For Class A office buildings the average office rate is $10569.67/sqft/year, for Class B office buildings the average office rate is $63.75/sqft/year, for Class C office buildings the average office rate is $165/sqft/year.

In Lenox Hill, there are 28 class B office buildings. In 1920, the same year East River Professional Building was built, 195 more commercial properties (office, industrial, retail) over 50,000 square feet were built in New York, featuring 4,736,806 square feet of commercial space. At zip code level, there are 7 commercial properties, of which 7 are office buildings over 50,000 square feet.

Nearby Listings

Nearby Properties


  • City New York
  • Neighborhood Lenox Hill
  • Zip Code 10021
  • Market Manhattan
  • Property Type Office - Medical Office
  • Property Size 108,685 Sqft
  • Lot Size 0.23 Acre
  • Property Tenancy Multi-Tenant
  • Building Class B
  • Year Built 1920
  • Date Updated 07 Apr, 2020

Looking for more in-depth information on this property? Find property characteristics, ownership, tenant details, local market insights and more. Unlock data on CommercialEdge.com.


What is the total square footage of East River Professional Building?

East River Professional Building totals 108,685 square feet.

When was this property built?

East River Professional Building was built in 1920.

Lenox Hill Demographics

The average household income in zip code 10021 is $228,156, from a total of 23,935 households. In terms of employment, there are 97.16 % white-collar and 2.84 % blue-collar jobs in zip code 10021.


  • Total Population88,306
  • Male Population(45.6 %) 40,273
  • Female Population(54.4 %) 48,033
  • Median Age41.00


  • Average Household Income$230,963
  • Median Household Income$143,540
  • Median Income Under 25$89,416
  • Median Income 25-44$145,960
  • Median Income 45-64$170,801
  • Median Income Over 65$108,900