Uses shall be established upon legally created lots that conform to current zoning requirements or on legal nonconforming lots. A lot may have more than one use placed within its bounds, except that only one single family dwelling may be placed on a lot. This exception shall not apply to model homes as defined herein, to townhouse and mixed townhouse developments proposed and approved under chapter 30.23A SCC, cottage housing developments proposed and approved under chapter 30.41G SCC, planned residential developments proposed and approved pursuant to chapter 30.42B SCC, projects proposed and approved pursuant to chapter 30.34A SCC, or to land zoned commercial or multiple family residential. Multifamily structures may be placed on lots at densities controlled by chapter 30.23 SCC. (Added by Amended Ord. 02-064, Dec. 9, 2002, Eff date Feb. 1, 2003; Amended by Amended Ord. 05-087, Dec. 21, 2005, Eff date Feb. 1, 2006; Amended by Amended Ord. 09-079, May 12, 2010, Eff date May 29, 2010; Amended by Ord. 17-062, Oct. 18, 2017, Eff date Dec. 17, 2017).