11-2-7: ONE BUILDING PER LOT:
Every building hereafter erected or structurally altered to provide dwelling units shall be located on a "lot", as defined in Section 11-1-2 of this Title, and in no case shall there be more than one such building on one lot unless otherwise provided in this Title; provided, that in a two (2) story garage with living quarters upon the second floor, such quarters may be occupied by a servant (and his family) of the family occupying the main structure. There may also be constructed a guest house (without kitchen) or rooms for guests within an accessory building; provided, such facilities are used for the occasional housing of guests of the occupants of the main structure and not for permanent occupancy by others. (1965 Code § 11-2-7)