New York City's land area covers 321 square miles (almost 206,000 acres or nine billion square feet). Excluding streets and major bodies of water, almost 154,000 acres (about 6.9 billion square feet) of land, or lot area, is available for use. The citywide and borough distributions of major categories of land use are presented here in tables and maps. The major land use categories are: One- and Two-Family Residences, Multi-Family Residences, Mixed Residential and Commercial, Commercial Uses, Industrial / Manufacturing, Transportation / Utility, Public Facilities and Institutions, Open Space and Recreation, Parking, and Vacant Land. Website includes links to other topics addressed by the New York City Department of City Planning.