(A) Where 60% or more of the lots in a block frontage are occupied by buildings which provide side yards of less than the minimum required by this chapter, this average side yard of such buildings may determine the required side yard provided.
(B) (1) However, no side yard shall be reduced to less than three feet.
(2) Where an existing building is deficient in side yards, any addition to such an existing building may maintain the existing side yards.
(Ord. passed 9-26-2006)