No person shall place or leave, or cause to be placed or left, building materials on public premises within the city, nor keep, store, or cause or permit to be placed, left, kept, or stored building materials on private premises except within the walls of a previously erected building within the city unless there is in force a valid building permit issued by the city for construction upon said property and said materials are intended for use in such construction or unless such storage is explicitly permitted by the zoning regulations or as otherwise provided in this code.
(Prior Code, § 94.40) (Ord. D-1659, passed 7-27-1992, effective 8-6-1992; Ord. O-184, passed 2-20-2017, effective 3-2-2017) Penalty, see § 94.999