Accessory dwelling units occupied by an owner or caretaker of the principal use on a zoning lot shall be located above or behind the principal uses in such a way that they do not interrupt commercial frontage. No more than four units shall be permitted on any zoning lot, with only one dwelling unit per establishment.
(1990 Code, Ch. 21, Art. 5, § 21-5.220) (Added by Ord. 99-12)