Existing signs which do not conform to the specific provisions of this chapter may be eligible for the designation "legal nonconforming," provided that:
A. 
Such signs are properly maintained and do not in any way endanger the public.
B. 
The sign was covered by a valid permit or variance or complied with all applicable laws on the date of adoption of this chapter.
A legal nonconforming sign shall lose this designation if:
A. 
The sign is relocated or replaced.
B. 
The structure or size of the sign is altered in any way except towards compliance with this chapter. This does not refer to normal maintenance.
C. 
The building occupancy or business changes.
[Amended 9-22-2009 by L.L. No. 2-2009]
The legal nonconforming sign is subject to all requirements of this chapter regarding safety, maintenance, and repair. However, if the sign suffers damage or deterioration to the extent of more than 50% of its assessed or market value, it must be brought into conformance with this chapter or removed.