9-6-040: NONCONFORMING USES:
A.   Continuation: A nonconforming use of any conforming or nonconforming structure which was legally existing when such use became prohibited may be continued as provided in this chapter.
B.   Expansion Within Conforming Building: A nonconforming use existing within a portion of a conforming building may be expanded to include the entire floor area of such building provided that such expansion:
1.   Does not include any structural alteration;
2.   Creates no noise, odor, or vibration; and
3.   Otherwise conforms to the requirements of this title.
C.   Nonconforming Use Of Open Land: A nonconforming use of open land may be continued provided such nonconforming use shall not be expanded or extended into any other portion of a conforming building or open land, and no structures, additions, alterations, or enlargements thereto shall be made thereon, except those required by law.
D.   Expansion Of Outdoor Nonconforming Uses: A nonconforming use of a lot or parcel where the principal use is not enclosed within a building, such as a salvage yard or a motor vehicle sales lot, shall not be expanded except in conformity with the requirements of this title. (Ord. 394, 8-7-2001)