(a) Except as may be specifically
authorized by other provisions of this chapter, only one (1) principal dwelling unit shall
be permitted on any individual lot located in the RC, RR, R20, R13, and R7 districts.
(b) Except as may be specifically authorized by other
provisions of this chapter, a principal residential use shall not occupy the same lot with
any other principal use.
(c) No building permit shall be issued for a parcel which is
not a lot of record.