§ 20.01 PRINCIPAL PERMITTED USES.
   Property and buildings in an “R-1” Single-Family Residential District shall be used only for the following purposes:
   (A)   Single-family dwelling;
   (B)   Park, playground or community center;
   (C)   Accessory uses or buildings which are customarily incidental to any of the above uses;
   (D)   Group home; provided that a new group home shall not be located within one-fourth of a mile from another group home; and
   (E)   Elder family home; provided that a new elder family home shall not be located within one-fourth of a mile from another elder family home.