Whenever a lawfully existing building or other structure otherwise conforms to the use regulations of the district in which it is located, but is nonconforming only in the manner hereinafter specified, the building and use thereof shall be exempt from the requirements of sections 9-11-2 and 9-11-6 of this chapter:
A. In any residential district where a building is nonconforming only as to the number of dwelling units it contains, provided no such building shall be altered in any way so as to increase the number of dwelling units therein. (Ord. 2004-05, 4-13-2004)
B. In any commercial or industrial district, where the use is less distant from a residential district than that required in the regulations for the district in which it is located.
C. In any district where an established building or structure, use or lot is nonconforming with respect to the yard, parking, lot area, lot width, or building height required in the district in which it is located. (Ord. 2004-05, 4-13-2004; amd. 2005 Code)