(a)   If no structural alterations or additions are made, a nonconforming use may be changed to another nonconforming use of the same or a more restrictive classification that:
      (1)   If the proposed use is a permitted special use, all conditions must be met or a conditional use permit obtained; and
      (2)   If the proposed use is a conditional use, a conditional use permit must be obtained.
   (b)   (1)   For the purposes of this subchapter, each of the following classifications shall be considered to be “more restrictive” than those it precedes:
CN conservation
REC recreation
AG agriculture
RR rural residential
RS single-family residential—suburban
RT-1 single-family residential—traditional
RCD residential cluster development (PUD)
MH manufactured housing
RD-1 twin home/duplex residential—suburban
RD-2 townhome residential—suburban
RT-2 townhome residential—traditional
RA-1 apartment residential—low density
O office
C-1 pedestrian-oriented commercial
RA-2 apartment residential—moderate density
S-1 general institutional
C-2 general commercial district
RA-3 apartment residential—high density
S-2 institutional campus PUD
C-3 community commercial
C-4 regional commercial
I-1 light industrial
AP airport
I-2 heavy industrial
      (2)   Whenever a nonconforming use has been changed to a more restrictive use or to a permitted use, the use shall not thereafter be changed to a less restrictive use.
(1992 Code, App. B, § 15.47.040)  (Ord. 42-83, passed 6-27-1983; Ord. 70-89, passed 7-31-1989; Ord. 55-91, passed 7-1-1991; Ord. 58-06, passed 5-1-2006; Ord. 9-13, passed 3-19-2013)