209-211 East 48th Street, February 1, 1938.

This 1934 townhouse (seen at the right) is considered the first modernist residence in New York City. Called the William Lescaze House for the architect who designed and lived in the home, the house employed the newest available technology, materials, and methods of construction.With his partner George Howe, Lescaze pioneered modernism in America, building the first International style skyscraper in the U.S. in Philadelphia in 1930.

The concrete and glass home was designed to be beautiful, economical, and efficient, as per Lescaze's opinion on the merits of modernism. The structure was not an entirely new building, but the massive gut renovation, exterior redo and addition to a pre-Civil War brownstone. This house was the first recorded structure in the city to use glass blocks, an architectural feature now common in vernacular architecture.