1 East 66th Street, Manhattan

A classic Lenox Hill co-op that handles its business internally, leaving almost no trace in the city's public record.

This is a 77-unit post-war building on a prime corner of the Upper East Side. For a co-op of this vintage, the city's data trail is exceptionally thin — a sign that issues are resolved internally by the board and managing agent, not through public complaints. Three things to know:

The city's record on this building is pristine. There are no open housing code violations. In a 77-unit building from 1948, that's not a fluke; it's a sign of a functioning co-op board that addresses issues before they become formal complaints to the city.

Turnover is steady, and sales to family trusts are common. Three units have sold in the last twelve months. The recent sales history shows multiple purchases by trusts and estates, a pattern that points to the established wealth and ownership profile of the building.

No major work has been filed with the city for years. The public record shows no building permits filed recently. For a building constructed in 1948, this means you'll need to ask the board about the status of major capital systems — like the roof, facade, and elevators — and when they were last updated.

1 East 66th Street is a 77-unit building in Manhattan, New York City (BBL 1013810001). This building is associated with 1 East 66th Street Corporation. Brix tracks 0 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

Built in 1948, this elevator apartment building sits in Manhattan and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

The building last changed hands on January 28, 2026 for $4,500,000, according to recorded deeds.

Brix rating: Clean (100/100). View the Building Report on Brix.

See every NYC building owned by 1 East 66th Street Corporation on the landlord portfolio page.