[R.O. 2008 § 415.230; R.O. 2007 § 415.230; Ord. No. 4974 § 1, 3-30-2006]
A. 
A structure or the use of a structure or premises which was lawful before the effective date of this Chapter, but which is not in conformity with the provisions of this Chapter, may be continued subject to the following conditions:
1. 
No such use or substantial improvement of that use shall be expanded, changed, enlarged or altered in a way which increases its non-conformity.
2. 
Uses or adjuncts thereof which are or become nuisances shall not be entitled to continue as non-conforming uses.
B. 
If any non-conforming use or structure is destroyed by any means, including flood, it shall not be reconstructed if the cost is equal to or more than fifty percent (50%) of the market value of the structure before the damage occurred except that if it is reconstructed in conformity with the provisions of this Chapter. This limitation does not include the cost of any alteration to comply with existing State or local health, sanitary, building or safety codes or regulations or the cost of any alteration of a structure listed on the National Register of Historic Places or a State inventory of historic places.