550 Park Avenue is a luxury apartment building on Park Avenue on the Upper East Side of Manhattan, New York City, United States.

[1][2] 550 Park Avenue was designed by J.E.R.

The 17-floor building was completed on December 11, 1917 and converted to a cooperative in 1952 with only 32 apartments.

[3] It is adjacent to the Browning School.

Notable residents have included: