The park is bordered by 19th century brownstones and townhouses including the Heppenheimer Mansion. Amongst brownstones and historic buildings, the school has built many large residence halls. Many abandoned buildings and brownstones have been rehabilitated. Boerum Hill is known for its independent boutiques, restaurants and rows of brownstones. The association features historic brownstones and landmark buildings open for the public to view. In 1875, Effingham B. Sutton constructed a group of brownstones between 57th and 58th Streets. Commerce, meanwhile, was moving up from downtown, and the neighborhood of brownstones was changing. After the war ended, the formerly pastoral neighborhood was developed with brownstones. The district includes some of the finest examples of brownstones with large front gardens. Several of the brownstones are now used for student housing in place of traditional dormitories. By that time, the two brownstones had been demolished. Also to the east are the brownstones of Hamilton Heights. New York City brownstones can cost several million dollars to purchase. The district consists of attached brownstones.