Signs are permitted that advertise the sale or development of the property when erected in connection with the development of the property by a builder, developer, contractor or other person interested in such sale or development, provided that:
(1) The size of such sign is not in excess of 32 square feet for major subdivisions or 12 square feet for minor subdivisions or single dwellings.
(2) The sign shall be at least 15 feet from a public road.
(3) Each property shall have no more than one such sign on each street bordering the property.
(4) The sign shall be removed prior to issuance of the last certificate of occupancy for the subdivided properties.