Harperly Hall, 41 Central Park West, is an apartment building in Manhattan, New York City, United States. The building is located along prestigious Central Park West and was built in 1910, it opened in 1911. Cast in the Arts and Crafts style, a rarity for New York City, Harperly Hall was designed by Henry W. Wilkerson. The structure was listed as a contributing property to the U.S. federal government designated Central Park West Historic District in 1982 when the district joined the National Register of Historic Places. At one time it was known as the Madonna building as Sean Penn and singer Madonna lived there.