The purposes of this chapter, the regulations and the zoning districts as outlined on the Zoning Map are to provide for the orderly growth in accordance with a comprehensive plan to protect and conserve the value of property; to prevent the overcrowding of land; to avoid undue concentration of population; to lessen congestion in the streets; to secure safety from fire, flood or other dangers, to provide adequate light and air; to facilitate the adequate provision of transportation, water, sewerage, schools, parks and other public requirements; and to promote the health, safety and general welfare of the public. They have been made with reasonable consideration, among other things, as to the character of each district and its peculiar suitability for uses, and with a view to encouraging the most appropriate use of land and also particular uses.

Whenever a change in district is approved subsequent to the adoption of this chapter, the designation shall be in accord with the purposes and general intent as expressed in the Comprehensive Development Plan as accepted by the Town of Cicero. Future classification for districts shall be upon recommendation of the Planning Board and approval of the Town Board.

Except as hereinafter provided, no building or structure shall be erected, moved, altered or extended, and no land, building or structure or part thereof shall be occupied or used unless in conformity with the regulations specified for the district in which it is located.

No building shall hereafter be erected or altered to exceed the Height, to accommodate or house a greater number of families, to occupy a greater percentage of lot area or to have narrower or smaller rear yards, front yards or side yards than is specified herein for the district in which such building is located.

No part of a yard or other open space about any building required for the purpose of complying with the provisions of this chapter shall be included as a part of a yard or other open space similarly required for another building.

All uses not specifically permitted in a district or allowed pursuant to § 210-14 shall be deemed prohibited.

This chapter shall not apply to existing buildings and structures, nor to the existing use of any building, structure or land to the extent to which it was used at the time of original enactment of this chapter. This chapter shall apply to any change in use, alterations, extension or movement of a building or structure and to any change in use of building or structure and to any change in use of land subsequent to enactment of this chapter.