203 Prince Street is an historic townhouse on Prince Street between MacDougal and Sullivan Streets in the SoHo neighborhood of Lower Manhattan, New York City, United States. Built in 1834 with 2+1⁄2 stories on land that was once part of the estate of Aaron Burr, the house acquired an additional full story in 1888. Primarily constructed in the late Federal style, the building also has elements of the Greek Revival style.