§ 11-20. Nonconforming uses.

The existing lawful use of a structure or premises which is not in conformity with the provisions of this chapter may be continued subject to the following conditions:

(1)

No such use shall be expanded or enlarged except in conformity with the provisions of this chapter, unless a variance therefor shall be granted by the zoning board of appeals.

(2)

No substantial improvement shall be made to any nonconforming structure permanently changed so as to conform to the provisions of this chapter.

(3)

If such use is discontinued for twelve (12) consecutive months, any future use of the building and premises shall conform to this chapter. The assessor shall notify the building inspection department in writing of instances of nonconforming uses which have been discontinued for a period of twelve (12) months.

(4)

Uses or adjuncts thereof which are nuisances shall not be permitted to continue as nonconforming uses.

(5)

Any alteration, addition, or repair to any nonconforming structure shall be protected by floodproofing.

(6)

The building inspection department shall maintain a list of nonconforming uses including the date of becoming nonconforming, assessed value at the time of its becoming a nonconforming use, and the nature and extent of nonconformity. This list shall be brought up-to-date annually.

(Code 1977, § 5.720)