No building shall be erected or enlarged unless the following yards and lot areas are provided and maintained in connection with such building, structure or enlargement:
1. Front Yard: Each lot upon which a dwelling is constructed shall have a front yard of not less than thirty feet (30') in depth except as follows: The front yard depth for a principal building located on a lot within seventy feet (70') measured along the street line from the front corners of the lot under consideration, to any portion of two (2) or more lots in the same block and which lots are occupied by dwellings that front on the same street as the proposed principal dwelling shall be the average front yard depth of such existing dwellings. In computing such front yard depths, existing buildings with front yard depths greater than fifty feet (50') shall be assumed to have a front yard depth of fifty feet (50'), and a building with a front yard depth less than twenty feet (20') shall be assumed to have a depth of twenty feet (20').
a. Interior Lots: On interior lots, there shall be a side yard on each side of a main building of not less than seven feet (7') or ten percent (10%) of the average lot width, whichever is less, but in no case less than five feet (5').
b. Corner Lots: On corner lots, the side yard requirement shall be the same as for interior lots; except, that there shall be maintained a side yard of not less than ten feet (10') on the side adjacent to the street which intersects the street upon which the building or structure maintains frontage.
3. Rear Yard: There shall be a rear yard having a depth of not less than ten feet (10').
4. Yard Encroachments: Accessory buildings shall not encroach upon the front, side and rear yards as required by this subsection.
B. Lot Coverage: Not more than forty percent (40%) of the area of a lot may be covered by main buildings, structures, or accessory buildings. (Ord. 78b, 7-1-1958)
C. Lot Area: Every dwelling hereafter erected or structurally altered as a one-family dwelling shall be on a lot having an area of not less than seven thousand five hundred (7,500) square feet and a width of seventy five feet (75'); provided, however, that where a lot has less area and width, but is a single tract and the title thereof has been platted and recorded before the effective date hereof, said lot may be improved with a one-family dwelling or structure and accessory buildings, provided the lot coverage is within seventy five percent (75%) of that required by the terms of subsection B of this section; and provided further, that the total lot area is not less than four thousand (4,000) square feet. (Ord. 126, 4-27-1971)