Any nonconforming use, building or structure which existed lawfully at the time of enactment of this chapter may be continued, subject to the regulations which follow in this article.
All nonconforming uses shall be registered with the Code Enforcement Officer by the owner or agent within six months of the date of adoption of this chapter.
This nonconforming use of land shall not be enlarged or extended beyond the area of land occupied by such use at the time of the adoption of this chapter. A nonconforming use of land may not be moved in whole or in part to any other portion of the lot or parcel of land occupied by such nonconforming use at the time of adoption of this chapter. A nonconforming use of land shall not be changed to another nonconforming use. If a nonconforming use of land is discontinued for a period of 12 consecutive months, it shall not be renewed, and any subsequent use of the land shall conform to the regulations of the district in which the land is located.
A. 
Additions. A nonconforming building shall not be added to or enlarged in any manner, unless such nonconforming building and the use thereof is made to conform to all the regulations of the district in which it is located.
B. 
Alterations and repairs. No structural alterations shall be made to any nonconforming building unless such alterations are required by law; provided, however, that such maintenance and repairs as are required to keep a nonconforming building or structure in sound condition shall be permitted.
C. 
Changes. A nonconforming use of a building may not be changed except to a conforming use. When so changed, the nonconforming use may not be resumed thereafter.
D. 
Discontinuance. A nonconforming use of a building or structure or a portion thereof which is discontinued for a period of 12 consecutive months shall not be reestablished, and any subsequent use shall conform to the use regulation of the district in which the premises are located. A use shall be deemed to have been discontinued under any of the following conditions:
(1) 
Vacancy of a nonconforming use or building or discontinuance of such nonconforming use for a period of 12 consecutive months.
(2) 
Manifestation of a clear intent on the part of the owner to abandon the nonconforming use.
E. 
Extension. A nonconforming use may not be extended to any other part of such building.
F. 
Restoration. A building devoted to a nonconforming use destroyed or damaged by fire, wind, explosion, structural failure or other natural cause to the extent of 50% or more of its market value at the time of such damage, as adjusted from assessed value, based upon State Board of Equalization rates, shall not be repaired or rebuilt except in conformity with the provisions of this chapter.
G. 
Removal. If any building in which a nonconforming use is conducted is hereafter removed, the subsequent use of the land on which such building was located and the subsequent use of any building erected thereon shall conform to the regulations of the district.
H. 
Validity of permit. Any building for which a permit has been lawfully granted and on which the construction has been started and diligently prosecuted before the effective date of this chapter may be completed.