The lawful uses of a building or structure or the lawful use of any land, excepting mobile home parks, as existing and lawful at the time of enactment of this chapter, or of an amendment thereto, may be continued except as hereinafter provided, although such use does not conform with the provisions of such ordinance or amendment.

Nonconforming uses shall not be increased in area or intensity except that a nonconforming use of a structure may be extended throughout any parts of the structure that were manifestly arranged or designed for such use at the time of adoption of this chapter.

Nonconforming uses may be increased in area or intensity when approved by the Zoning Hearing Board. A request to increase the area or intensity of a nonconforming use shall be administered as a variance. Before granting such a request, the Zoning Hearing Board must consider all significant relevant factors and determine that the increase in area or intensity will not materially add to the deleterious affect of the use upon nearby property and uses or upon the community.

A nonconforming use may be changed to decrease its nonconformity upon approval as a variance by the Zoning Hearing Board.

The Zoning Officer shall make an official registration of each and every nonconforming use as of the date of enactment of this chapter.

A single-family dwelling unit, presently located on a substandard size lot, may be rebuilt on its original foundation following destruction by fire or natural disaster, upon approval of the Zoning Hearing Board.

Any nonconforming uses which are abandoned for a period of one year may not be continued thereafter, and in any event, continued nonconforming uses for residential occupation are restricted to the original owner of the property.

All existing mobile homes on individual lots are defined as a nonconforming use for residential occupation. In any event, this nonconforming use for residential occupation is restricted to the existing mobile home on any individual lot. No mobile home on any individual lot shall be replaced with another mobile home without prior approval of the Borough Council.