Grandfathered is a layman's term for an existing-non conforming use or structure. When a use or structure is in operation and a regulation changes to make that use no longer legal, it is generally considered "existing-non conforming", or "grandfathered". This means a new structure that does not meet the new code for this district cannot be constructed, or a new use of this type that does not meet the new code will not be permitted. However, as long as the existing use or structure is not abandoned for a period of 6 months or more, or subjected to destruction in excess of 50% of the property value, it may continue its current operation. For more information on nonconforming uses, see Section 25-79, City of Leesburg Code of Ordinances.