In residential districts, every dwelling hereafter erected or structurally altered shall be located on a lot and there shall not be more than one principal building on one lot, except in a planned development or in the R-5 Multiple Dwelling Residential District where no more than two principal buildings shall be permitted on one lot as long as the buildings remain under single ownership.
(1981 Code, Art. IV, C) (Ord. passed 12- -1986; Am. Ord. 20-16, passed 5-18-2020)