In the RD 5.5-7 zone, a use permit or hill area residential development permit (HRD)shall be first secured for any use, occupancy or physical improvement of or on a building site failing to meet the following requirements:
(A) Minimum area of 5,500 square feet for a single family residence and a minimum area of 7,000 square feet for a duplex, and a minimum width of 60 feet with a slope of ten percent or less;
(B) The minimum building site area shall be increased by 300 square feet for each one percent increase in slope over ten percent to and including 15 percent; and the minimum width shall be increased by one foot for each 500 feet of additional area required;
(C) Building sites having a slope of more than 15 percent shall increase in area above 7,000 square feet for single-family or 8,500 square feet for duplex, and a minimum width above 65 feet, at the rate of 1,000 square feet of area and three feet of width for each one percent increase in slope;
(D) Fractions shall be disregarded and dropped in all computations made under this section; and
(E) A duplex may only be constructed on a lot of 7,000 square feet or more.
(Prior Code, § 17.44.050) (Ord. 352, passed - -1973; Am. Ord. 605, passed - -1991; Am. Ord. 885, passed 11-1-2023)