No structure, parking area, or other site feature regulated by this chapter shall be enlarged, altered, or expanded unless the minimum improvements required by this subchapter are provided to the property to the extent of its alteration or expansion. In the case of a substantial expansion, the portion of the site affected must meet the requirements of this subchapter. An alteration or expansion to an existing property is substantial when the area or square footage of the expanded or altered land (including property used for building space, parking, or storage) or structure, respectively, exceeds 25% of the area or square footage of the existing land or structure, exclusive of the alteration or expansion.
(Ord. 2013-02, passed 3-11-13)