1357.05 LOTS.
   (a)    Residential lots where public water and sewer are not provided shall be not less than 20,000 square feet in area nor less than 100 feet in width at the building line.
   (b)    Residential lots where either public water or public sewer, only one, are provided shall be not less than 12,500 square feet in area nor less than eighty feet in width at the building line.
   (c)    Residential lots having public water and public sewer shall be not less than 7,200 square feet in area nor less than sixty feet in width at the building line.
   (d)    The above minimum lot areas (20,000; 12,500; and 7,200 square feet) shall be increased in area by the following amounts where the average front to rear or side to side slope of the lot is in excess of twenty-five percent (25%) slope:
      
 
Square Feet
Increase By
20,000
20%
12,500
15%
7,200
10%
 
   (e)    Where lots are intended for the use of more than one family, the minimum lot area, including slope if applicable, shall be increased by 1,200 square feet for each family more than one. (Ord. 208. Passed 6-7-61.)