Travel trailers shall be allowed to be stored on the property of the owner in any zone in the city. No travel trailer shall be allowed to be stored on any street right-of-way, alley or sidewalk, unless it is motorized, (self-propelled) and has an overall width of nine feet or less. No such trailer so stored shall be used for residential or commercial purposes except on a temporary basis, and when specifically approved in writing by the Building Inspector. Only when a travel trailer is located in a travel trailer park or campground approved by the Building Inspector, shall it be allowed to be used as intended without written approval of the Building Inspector
(1987 Code, § 4-1020)