740 Park Avenue is a luxury

Luxury real estate

Luxury real estate is the real estate market niche targeted at the highest socio-economic group of consumers. -Definition:The characteristics that define luxury real estate differ among countries...

 apartment building on Park Avenue

Park Avenue (Manhattan)

Park Avenue is a wide boulevard that carries north and southbound traffic in New York City borough of Manhattan. Through most of its length, it runs parallel to Madison Avenue to the west and Lexington Avenue to the east....

 in Manhattan

Manhattan

Manhattan is the oldest and the most densely populated of the five boroughs of New York City. Located primarily on the island of Manhattan at the mouth of the Hudson River, the boundaries of the borough are identical to those of New York County, an original county of the state of New York...

, which has been the home to many wealthy and famous residents. The building also carries the address 71 East 71st Street.
An apartment previously belonging to John D. Rockefeller, Jr.

John D. Rockefeller, Jr.

John Davison Rockefeller, Jr. was a major philanthropist and a pivotal member of the prominent Rockefeller family. He was the sole son among the five children of businessman and Standard Oil industrialist John D. Rockefeller and the father of the five famous Rockefeller brothers...

, currently owned by Stephen Schwarzman, when sold by Saul P. Steinberg in 2000, brought a price "slightly above or below $30 million," reportedly the highest price ever paid on Park Avenue.