(1) Chapters 14-100 through 14-1800, inclusive, of this Title are enacted to promote the public health, safety, order and general welfare by regulating and restricting the location, size, bulk and use of buildings; the height and size of buildings and other structures, percentage of lot that may be occupied, the size of yards, courts and other open spaces, the density of population, and the location, use and occupancy of buildings, structures and land for residential and non-residential purposes. The provisions of these Chapters are designed to lessen congestion in the streets, to secure safety from fire, panic and other dangers, to provide adequate light and air, to avoid undue concentration of population and to facilitate the adequate provision of transportation, water, sewerage, schools, parks and other public requirements; reduce dirt, odor, noise, soot and noxious fumes; to conserve property value and to encourage the most appropriate use of land; provide for the administration and enforcement of such provisions, regulations and restrictions, and to provide penalties for violations thereof.

(2) Council shall from time to time divide the City into districts of such number, shape, size and area as may be deemed best suited to carry out the purposes and scope of this Title. Zoning maps approved by Council and designating such district classifications are made a part of this Title.

(3) Every building or portion of a building and the use of all land, including every use within a building and use accessory thereto, in the City of Philadelphia shall be in conformity with the provisions of this Title.