In R-2 districts each one-family dwelling, together with its accessory buildings,
hereafter erected, shall require a lot area of not less than 12,000 square feet for
the first unit, plus 6,000 square feet for each additional unit when said lot is not
served by either a municipal water or a municipal sewerage system; shall require a
lot area of not less than 12,000 square feet for the first unit, plus 6,000 square
feet for each additional unit when said lot is served either by a municipal water
system or a municipal sewerage system; shall require a lot area of not less than 6,000
square feet for the first living unit, plus 3,000 square feet for each additional
living unit when both a municipal water and a municipal sewerage system are available,
and said lot shall have a width of not less than 80 feet at the front or rear building
lines; provided, however, that this requirement shall not apply to any lot which at
the time the ordinance from which this article is derived became effective was narrower
at the street line or lesser in area than the specifications herein provided, if such
lot was of record at the time of the adoption of the ordinance from which this article
is derived.
