On any corner lot on which front and side yards are required, no wall, fence, structure, sign, tree, shrub or hedge may be maintained as to cause danger to traffic by obstructing the view and when topography prevents a clear view, this bank shall be removed.

The front building line of the main building hereafter constructed in residence districts, or altered in such manner as to change the position of such front building line, shall be located the distance required from the front lot line as may be required in the residential district in which such dwellings are located.

Open porches of dwellings may extend into the front yard a distance of ten feet from the main line of the building. Cornices and eaves of the main building may project not more than three feet into the front yard.

On any lot separately owned on the date this ordinance becomes effective, a single-family dwelling may be erected even though such lot has less area than required by these regulations.

Only one main building for single-family, with permitted accessory buildings, may be located upon a lot or platted tract. Every dwelling shall face or front upon a street or officially approved place, other than an alley, which means of access shall have a minimum width of 35 feet. Where a lot or tract of land is used for commercial or industrial purposes, more than one main building may be located upon the lot but only when such buildings conform to all the open space, parking and density requirements applicable to the uses and district, when all such main buildings face upon a street or officially approved place, other than an alley.