To carry out the purpose of this chapter, the City is hereby divided into different zoning district classifications as follows:

   R-1   Single-Family Residential District

   R-1(B)   Small Lot Single Family Residential District

   R-2   Two-Family Residential District

   R-3   Mixed Housing Residential District

   R-4   Multi-Family Residential District

   R-5   Mobile Home Park District

   C-1   Convenience Commercial District

   C-2   Arterial Commercial District

   C-3   General Commercial District

   I-1   Research/Office Industrial District

   I-2   Light Industrial District

   I-3   General Industrial District

   PUD-1   Planned Unit Development One District

   PUD-2   Planned Unit Development Two District

   FP   Flood Plain District