(a) MINIMUM REQUIREMENTS. No yard or lot existing at the time of the passage of this chapter shall be reduced in size or area below the minimum requirements set forth herein. Yards of lots created after the effective date of this chapter shall meet the minimum requirements established by this chapter, with such lots established in full accordance with the requirements of Chapter One, Subdivision Regulations.
(b) EACH LOT TO SATISFY ITS MINIMUM REQUIREMENTS. No yard or other open space provided about any building for the purpose of complying with the provisions of this Zoning Ordinance shall be considered as providing a yard or open space for any other building, and no yard or other open space on one lot shall be considered as providing a yard or open space for a building on any other lot.
(c) SIDE YARD CALCULATION.
(1) Where the side wall of a building is not parallel with the side lot line or is broken or otherwise irregular, the side yard may be varied. In such case the average width of the side yard shall not be less than the otherwise required minimum width; provided such side yard shall not be narrower at any point than one-half of the otherwise required minimum width.
(2) The side street setback line of any corner lot platted on the Assessor's Tax Maps as the lot existing at the time of adoption of this Zoning Ordinance or any corner lot shown on any subdivision plat which received final approval prior to the adoption of this Zoning Ordinance shall not be less than one- half of the average depth of the minimum front yard required on any adjoining lot fronting on a side street.
(3) Any corner lot delineated by subdivision after the adoption of this Zoning Ordinance shall provide a side street setback line that shall not be less than the minimum front yard required on any adjoining lot fronting on the side street.
(d) LOTS OF DIFFERENT RESTRICTIVENESS. Where the side or rear yard of a lot abuts a side or rear yard of a lot in a more restrictive zoning district, there shall be provided along both sides of such abutting lot line or lines side or rear yards equal in dimension to those required in the more restrictive zoning district, as defined in Section 1331.01.
(e) PROPER USE OF YARDS. No required yard shall be used for the storage of merchandise, equipment, building materials, junk, vehicles, vehicle parts or any other material or for signs or accessory structures, unless specifically allowed by other provision in this Zoning Ordinance.