A. One-Story One-Family Dwellings:
1. Every one-story one-family dwelling containing three (3) bedrooms or less hereafter erected or structurally altered shall contain at least one thousand one hundred (1,100) square feet of floor area, exclusive of basement, porch or garage.
2. Every one-story one-family dwelling containing four (4) bedrooms or more hereafter erected or structurally altered shall contain at least one thousand two hundred (1,200) square feet of floor area, exclusive of basement, porch or garage.
B. Two-Story One-Family Dwellings: Every two-story one-family dwelling hereafter erected or structurally altered shall contain at least one thousand five hundred (1,500) square feet of floor area, exclusive of basement, porch or garage. (1976 Code § 151.009)