The classes of districts and certain combinations thereof as designated in Sections 18.12.030 and 18.12.040, and the regulations pertaining thereto are hereby applied to the land areas of the city, as delineated on the "Zoning Map of the City of Marysville," which is hereby adopted and made a part of this title, and the land areas designated thereon shall be subject to the provisions and regulations of this title.
(Ord. 946 § 2 (part), 1981)
Where uncertainty exists as to the boundaries of any of the districts mentioned in Section 18.12.010 as shown on the zoning map, the following rules apply:
(a) 
Lands not included within the boundaries of any district on the zoning map shall constitute R-1 districts, and lands hereafter annexed to the city shall constitute R-1 districts unless or until classified by interim ordinance or by amendment of the zoning map.
(b) 
Where district boundaries are indicated as approximately following street and alley lines, the street and alley lines shall be construed to be such boundaries.
(c) 
Where district boundaries are indicated as approximately following lot lines, the lot lines shall be construed to be such boundaries.
(d) 
In case further uncertainty exists, the planning commission, upon written application, or upon its own motion, shall determine the location of the boundaries.
(Ord. 946 § 2 (part), 1981; Ord. 1112 § 89 (part), 1991; Ord. 1149 § 46, 1992)
The several classes of general districts established and into which the city is or may be divided are designated as follows:
R-1 Single-family residence district;
R-2 Two-family residence district;
R-3 Neighborhood apartment district;
R-4 General apartment district;
C-1 Neighborhood shopping district;
C-2 Community business district;
C-3 General commercial district;
C-H Highway service commercial district;
M-1 Light industrial district;
M-2 General industrial district;
M-L Limited industrial district;
PD Planned development district;
OS-1 Primary open space district;
OS-2 Secondary open space district.
(Ord. 946 § 2 (part), 1981; Ord. 1299 § 2, 2005)
In addition to the classes of districts set out in Section 18.12.030, certain combining districts are established and are designated as follows:
R Redevelopment area combining district;
A Special agricultural district;
FP Special floodplain district;
HP Historic preservation overlay zone district.
(Ord. 946 § 2 (part), 1981; Ord. 1299 § 3, 2005)
The several classes of Zoning Districts within the Downtown Specific Plan districts established and into which the city is or may be divided are designated as follows:
DMU
Downtown Mixed Use
B
B Street Corridor
CMU
Commercial Mixed Use
ME
Medical Arts
MU-C
Mixed Use Corridor
MU-N
Mixed Use Neighborhood
(Ord. 1463, 10/7/2025)