A. Unapproved Surface: No automobile, stock car, truck, van, trailer, motor home, or tractor shall be parked on an unapproved surface on private property. An approved surface shall include bituminous concrete, or portland cement concrete, or properly bedded paving brick or similar materials approved by the building and zoning commissioner or city engineer. This excludes residences referenced in unified development ordinance 6.7.4.C.1.d. (Ord. 2015.51, 4-18-2016)