[Amended 7-20-1999 by L.L. No. 14-1999]
In an A Residence District, no building shall be erected on a lot having an area of less than 12,500 square feet and a width of less than 100 feet at the front street line; provided, however, that a single-family dwelling may be built upon a lot held in single and separate ownership on July 25, 1954, having an area of less than 12,500 square feet and a width of less than 100 feet at the front street line; and provided, further, that in such case the width of a lot shall not be less than 70 feet and the area not less than 7,000 square feet.