Protect the character and stability of residential, recreation, commercial, industrial, and open space areas within the City of O'Fallon and promote their orderly and beneficial development;

Provide privacy and convenience of access to property, etc.;

Regulate the intensity of land use and establish open areas surrounding buildings and structures necessary to provide adequate light and ventilation and to protect public safety and health;

Regulate and limit the height of buildings and structures.

Lessen and avoid congestion on public streets by providing off-street parking and loading;

Regulate and limit the density of population based on the City's ability to provide for water, sewer, parks, and other essential public services;

Divide the City into zoning districts and establish, by reference to a map, the boundaries of said districts;

Fix reasonable standards to which land, buildings, structures, and their uses must conform;

Prohibit uses, buildings, or structures which are incompatible with the character of development or uses, buildings, or structures permitted within specified zoning districts;

Prevent illegal additions or alterations of existing buildings or structures;

Protect against fire, explosion, noxious fumes and odor, heat, dust, smoke, glare, noise, vibration, radioactivity, and other nuisances and hazards in the interest of public health, safety, and general welfare;

Prevent overcrowding of land and undue concentration of buildings and structures so far as is possible and appropriate in each zoning district by regulating the use and bulk of buildings in relation to the land surrounding them;

Preserve and enhance the taxable value of land, buildings, and structures throughout the City;

Provide for the completion, restoration, reconstruction, extension, or substitution of non-conforming uses;

Designate and define the powers and duties of the official(s) administering and enforcing this Chapter; and

Provide penalties for the violation of this Chapter.

No building shall be erected, converted, placed, enlarged, reconstructed, or structurally altered, nor shall any building or land be used except for a purpose and in the manner permitted in the district in which the building or land is located.

No land required for yards, open spaces, or off-street parking or loading spaces about an existing building or any building hereafter erected or structurally altered shall be considered as required yard or lot area for more than one (1) building.

Every building hereafter erected or structurally altered shall be located on a lot and in no case shall there be more than one (1) main building on one (1) lot except as otherwise provided in the Chapter.

The provisions of these Regulations shall be considered the minimum requirements for the promotion of the public health, safety, morals, comfort and welfare. Where provisions of the regulations of this Chapter impose greater restrictions than those of any Statute, other ordinance or regulation, the provisions of the regulations of this Chapter shall be controlling. Where the provisions of any Statute, other ordinance or regulation impose greater restrictions than this Chapter, the provisions of such Statute, other ordinance or regulation shall be controlling.

This Chapter is not intended to abrogate or annul any easement, covenant or other private agreement, provided that where any provisions of this Chapter are more restrictive or imposes a higher standard or requirement than such easement, covenant or other private agreement, the provision of this Chapter shall govern.