Sec. 14-107. Parking; motor vehicles used for commercial purposes; special parking provisions.
(a)   Except when conducting business, it is unlawful to park a motor vehicle, utility trailer, hobby vehicle or any other trailer used for commercial purposes with any motor or engine operating for more than twenty (20) minutes in a twenty-four hour period commencing each day at 12:00 a.m., in any residential zoning district of the city, or within three hundred (300) feet of any occupied residence in a nonresidential area.
(b)   Except as otherwise provided in this section, it is unlawful to park any motor vehicle used for commercial purposes upon any lot, parcel or property within the city, except on a lot with proper zoning and site plan approvals from the City for such parking.
(c)   No person shall stand or park a commercial motor vehicle as defined in A.R.S. § 28-3001, tractor, semi-trailer, trailer, or bus on a street in a residential zone, or adjoining a residential zone, except during the process of loading or unloading such vehicle.
(d)   No person shall stand or park a tractor, semi-trailer, trailer, or bus, on any real property within a residential zoning district within the City.
(e)   No person shall stand or park a commercial motor vehicle as defined in A.R.S. § 28-3001 on any real property within a residential zoning district within the City, except during the process of loading or unloading the vehicle, or unless parked or placed within a side or rear yard that shall be screened by a minimum six foot high block wall, wood fence or gate. All screen walls, fences or gates shall be erected and maintained in conformance with provisions of the zoning ordinance.
(f)   It shall be unlawful to park or stand a commercial vehicle for the purposes of retail sales of food for human consumption from the vehicle on any parcel without permission of the property owner or person in lawful possession of such property, or on any lot designated as a Park and Ride Lot by the City for use by the operators of motor vehicles as a parking area to facilitate carpooling and/or use of mass transit systems.
(Code 1977, § 6-3-6; Ord. No. 92-20, 5/12/92, Repealed; Ord. No. 98-08, 2/3/98, Renumbered from section 14-109; Ord. No. 98-08, 2/3/98, Amended to add (b); Ord. No. 98-08, 2/3/98, Renumbered section 14-111(b) to (c); Ord. No. 98-08, 2/3/98, Renumbered section 14-112(a) to (d); Ord. No. 98-17, 3/17/98, Amended(c); Ord. No. 99-03, 1/19/99, Amended (SUPP 1999-1); Ord. No. 04-177, 6/15/2004, Amended (SUPP 2004-4); Ord. No. 07-13, 4/17/07, Amended added (e), renumbered (f) and (g) (SUPP 2007-2); Ord. No. 09-18B, 10/20/09, Amended (d), added (e), renumbered (f), (g) and (h) (SUPP 2009-4); Ord. No. 2017-28, § 31, 6-13-17; Ord. No. 2019-14, § 2, 6-4-19)