A nonconforming building or structure existing on or before November 5, 1981, may be continued and maintained except as otherwise provided in this Section.

Alteration Or Enlargement Of Buildings And Structures. A nonconforming building or structure shall not be added to or enlarged in any manner unless said building or structure, including additions and enlargements, is made to conform to all of the regulations of the district in which it is located; provided, however, that if a building or structure is conforming as to use, but nonconforming as to yards or height or off-street parking space, said building or structure may be enlarged or added to provided that the enlargement or addition complies with the yard and height and off-street parking requirements of the district in which said building or structure is located. No nonconforming building or structure shall be moved in whole or in part to another location on the lot unless every portion of said building or structure is made to conform to all the regulations of the district in which it is located.

Restoration Of Damaged Building. A nonconforming building or structure which is damaged or partially destroyed by fire, flood, wind, earthquake, or other calamity or Act of God or the public enemy to the extent of not more than seventy-five percent (75%) of its value, exclusive of foundations, may be restored and the occupancy or use of such building, structure or part thereof, which existed at the time of such partial destruction, may be continued or resumed, provided that such restoration is started within a period of one (1) year and is diligently prosecuted to completion. In the event such damage or destruction exceeds seventy-five percent (75%) of the value, exclusive of foundation or such nonconforming building or structure, no repairs or reconstruction shall be made unless every portion of such building or structure is made to conform to all regulations for new buildings in the district in which it is located; provided, however, that any building or structure that is nonconforming due to off-street parking requirements, and is conforming in every other respect, may be restored regardless of the extent of damage; and provided, however, that any single-family residence that is nonconforming due to its location in a commercially zoned area, and is conforming in every other respect, may be restored regardless of the extent of damage.

Outdoor Advertising Signs And Structures. Any advertising sign, billboard, commercial advertising structure, or statuary, which is lawfully existing and maintained at the time this Section became effective, which does not conform with the provisions hereof shall not be structurally altered and all such nonconforming advertising signs, billboards, commercial advertising structures and statuary, and their supporting members shall be completely removed from the premises not later than three (3) years after November 5, 1981.

Building Vacancy. A nonconforming building, structure, or portion thereof, which is or hereafter becomes vacant and remains unoccupied for a continuous period of one (1) year shall not thereafter be occupied except by a use which conforms to the use regulations of the district in which it is located.

A nonconforming use of land, where the aggregate value of all permanent buildings or structures is less than one thousand dollars ($1,000.00), existing on or before November 5, 1981, may be continued for a period of not more than three (3) years therefrom, provided:

A nonconforming use of land, where the use consists of a mobile home, existing on or before November 5, 1981, not located in a mobile home park, may be continued for a period of not more than five (5) years therefrom, provided: