[1] Between 1959 and 1963, an addition to the western end of the building, fronting on Horatio Street, added four apartments per floor, as well as air conditioning and new windows.

"[4] The firm hoped to take advantage of some of the amenities which would make the western part of Greenwich Village a more desirable place to live, including the coming Eighth Avenue Subway, the recent completion of the West Side Elevated Highway, and easy access to the Holland Tunnel.

[10] Leo Bing said in the firm's announcement that the goal of the project was to "recreate the entire district as a modern counterpart of the high-class residential section it once was", saying that it would "rival Central Park West and the fashionable east side within a few years."

He cited the goal of neighborhood reinvention as the reason for the simultaneous building, saying his hope was that "complete transformation of the section may be achieved as quickly as possible.

The Bing brothers and Lyons also partnered on what was then a major technological breakthrough – creating the world's tallest apartment building – 17 stories – at 903 Park Avenue, which was completed in 1916.

The headline of a New York Times article about the five buildings said: "Tall Apartments in Village Center / Opening This Fall / Presents Rental Problem / Situation Unprecedented.