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166 East 78th Street
166 East 78th Street
Last updated on May 20, 2026

166 East 78th Street

Co-op located in Lenox Hill, between Lexington Avenue & Third Avenue

166 East 78th Street is a five-story, 10-unit prewar walkup cooperative on the Upper East Side. It is conveniently located near popular amenities and public transportation.

166 East 78th Street Location Map

All Apartments For Sale

Unit #
Beds
Baths
Size
Closing Price
Price / Ft2
Asking Price
Sold on
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Overview of 166 East 78th Street

166 East 78th Street is a five story, 10 unit co-op in a prewar townhouse on a tree lined block of Lenox Hill, built circa 1920 and converted in 1984. The extra wide building has the proportions and character of a townhouse, with walk up apartments shaped by high ceilings, oversized windows, decorative fireplaces, arched doorways, and formal foyers.

The layouts include both one and two bedroom homes, with split bedroom arrangements and, in some apartments, unusually tall ceilings and multiple exposures. A ground floor residence opens directly to a private south facing garden, while upper floor homes have the traditional vertical circulation of a townhouse walk up. Hardwood floors, windowed kitchens and baths, and a mix of original details and updated interiors recur across the apartments.

Building amenities include resident storage and basement laundry, with a part time superintendent. The co-op permits pets and pied-à-terre ownership, and financing is permitted. Individual apartments may also have laundry, air conditioning, renovated kitchens, or private outdoor space.

The building is between Lexington and Third Avenues, near the restaurants and shops of the Upper East Side. The 77th Street station, served by the 6 train, is nearby, and the block's historic Bishop's Crook lamp posts and landscaped sidewalk beds reinforce its townhouse setting.

Doorman
None
Type
Co-op
Year Built
1920
Converted: 1984
Apartments
Floors
5
Neighborhood
Min Down
20%

Amenities

  • Resident Storage
166 East 78th Street building photo 1
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  1. 6
at Lexington Ave 0.06 miles
  1. 4
  2. 5
at Lexington Ave 0.43 miles

Sales History

Price/Room (Est)

Why are we displaying the estimated price per room?

For some co-ops, instead of price per square foot, we use an estimate of the number of rooms for each sold apartment to chart price changes over time. This is because many co-op listings do not include square footage information, and this makes it challenging to calculate accurate square-foot averages.

By displaying the price per estimated room count, we are able to provide a more reliable and consistent metric for comparing sales in the building. While we hope that this gives you a clearer sense of price trends in the building, all data should be independently verified. All data provided are only estimates and should not be used to make any purchase or sale decision.

Price/Ft2 (Est)
View Full Closing History

Sales Summary

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Sales History by Apartment Size

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