A.
Existing zoned lots of record.
(1)
A nonconforming zoned lot of official record existing at the effective date of this chapter may be used for any purpose permitted in the zone district in which it is located, irrespective of its area or width, provided that:
(a)
The owner does not own any adjoining property which would create a conforming lot if all or part of said property were combined with subject zone lot; and
(b)
Provided that the minimum area for such lot shall be 15,000 square feet and a minimum lot width of 75 feet in the R-1-20 Residential District, and 10,000 square feet and a minimum lot width of 50 feet in the R-1-15 Residential District; and
(c)
That all other provisions of this chapter are adhered to.
(2)
No lot or lots in single ownership shall hereafter be reduced so as to create one or more nonconforming lots.