An area of not less than five thousand square feet shall be provided and maintained for each one-household dwelling and uses thereto. For two-household dwellings the lot size shall consist of a minimum of three thousand square feet per dwelling. For child day care centers and foster household care homes the building site shall contain at least ten thousand square feet. An area of not less than five acres shall be provided and maintained for each planned unit development, except that there shall be no area requirements for additions to an approved planned unit development. All church buildings shall have a building site area in which the area of the building is equal to or less than twenty percent of the total parcel size area. (Ord. 19-13 § 21 (part), 2019; Ord. 13-01 (part), 2013: Ord. 99-04 (part), 1999: Ord. 97-03, 1997: prior code § 27-16-3)