Substation 219, also known as the Harlem Substation, is a historic electrical substation located in Harlem, New York, New York. It was constructed by the Independent Subway System in 1932 to provide power to the IND Eighth Avenue Line.[2] It is a single-story, double-height masonry building in the Art Deco style. It features a low brick parapet topped by a band of limestone coping and a limestone frieze consisting of diamond-shaped limestone pieces and a brick chevron pattern. The main entrance doors are faced in aluminium and incorporate Art Deco-style geometric motifs.[3]