The several classes of districts hereby provided and into which the county may be divided are designated as follows:
A-1
General Agricultural District
A-2
Agricultural-Residential District
A-3
Agricultural District
R-1
Single-Family Residential District
R-2
Limited Multiple-Family Residential District
R-3
Multiple-Family Residential District
C-H
Highway Commercial District
C-L
Local Convenience Commercial District
C-G
General Commercial District
C-T
Town Service District
C-1
Retail Business District
C-2
General Commercial District
B-P
Business Park District
M-L
Limited Industrial District
M-1
Light Industrial District
M-2
Heavy Industrial District
M
Industrial District
P.U.D.
Planned Unit Development District
P-C
Planned Community District
F-R
Forest Recreation District
R-S
Resort District
M-R
Mountain Resort District
O-C-B
Public Campground/Boating/Beach District
I-1
Institutional Use District
O-H
Historical Site District
O-D
Primitive Area District
O-S
Open Space District
E-A
Exclusive Agricultural District
U-C
Upland Conservation District
U-C-2
Upland Conservation/Resource Management District
T-P-Z
Timber Production Zone District
A-F
Agricultural Forest District
H-R
Hydro-Electric District
Y-C
Airport Commercial District
 
Underground Utility Districts
(Ord. 467 § 6, 1984; amended by the vote of the people 11-7-00; Ord. 467-AC § 3, 2003)
In addition to the classes of districts designated in Section 18.08.010, certain combining districts may be established and are designated as follows:
(1) 
AA accessory animal combining district;
(2) 
A agricultural combining district;
(3) 
AP agricultural preserve combining district;
(4) 
B building site combining district;
(5) 
D design combining district;
(6) 
F floodplain combining district;
(7) 
G geothermal combining district;
(8) 
H highway combining district;
(9) 
NH natural habitat combining district;
(10) 
P-S public safety combining district;
(11) 
T trailer court districts;
(12) 
C camping on private property outside designated campgrounds combining district.
(Ord. 467 § 7, 1984)