§ 152.445 ESTABLISHMENT OF DISTRICTS.
   (A)   In order to classify, regulate and restrict the location of trade and industry, and the location of buildings designated for specific uses, to protect residential uses, to regulate and limit the height and bulk of buildings hereafter erected or altered, to regulate and limit the intensity of the use of lot areas, and to regulate and determine the areas of yards and open space within and surrounding the buildings, the city is hereby divided into zoning districts.
   (B)   The use, height and area regulations shall be uniform in each district and the districts shall be known as follows.
Urban Reserve Districts
UR, Urban Reserve District
Residential Districts
R-E, Residential Estate District
R-1, Single-Family Residential District
R-2, Single-Family Residential District
R-3, Medium Density Residential District
R-4, High Density Residential District
R-M, Single-Family Manufactured Home Park District
R-B, Residential Business District
Business Districts
B-1, Central Business District
B-2, Highway Business District
Industrial Districts
I-1, Light Industrial District
I-2, Heavy Industrial District
Institutional Districts
INS, Institutional District
Special Districts
PUD, Planned Unit Development District
Environmental and Historic Protection Districts
FP, Floodplain Management District
W, Wetland Systems District
S, Shoreland Overlay District
HD, Historic Downtown Overlay District
BP, Bluff Protection Overlay District
 
(Prior Code, § 11-50-1) (Ord. 258, passed 5-4-2006)