It shall be unlawful for any person to engage in door to door commercial solicitation at a residence without first obtaining a license issued by the city clerk. Unless authorized or permitted pursuant to the terms and provisions of this chapter, the practice of being in and upon private residential property within the city by door to door commercial solicitors is a nuisance prohibited and punishable as set forth in this chapter. (Ord. 17-O-11, 4-18-2017)