Where uncertainty exists as to the boundaries of districts as shown on the official zoning map, the following rules shall apply:
A. 
Boundaries indicated as approximately following the centerlines of streets, highways or alleys shall be construed to follow such centerlines.
B. 
Boundaries indicated as approximately following platted lot lines shall be construed as following such lot lines.
C. 
Boundaries indicated as approximately following city limits shall be construed as following such city limits.
D. 
Boundaries indicated as following shorelines shall be construed to follow the ordinary high water mark; boundaries indicated as approximately following the centerlines of streams, rivers, canals, lakes, or other bodies of water shall be construed to follow such centerlines.
E. 
Boundaries indicated as following railroad lines shall be construed to be midway between the main tracks.
F. 
Boundaries indicated as parallel to or extensions of features indicated in subsections (A) through (E) of this section shall be so construed. Distances not specifically indicated on the official zoning map shall be determined by the scale of the map.
G. 
Where physical or cultural features existing on the ground are at variance with those shown on the official zoning map, or in other circumstances not covered by subsections (A) through (E) of this section, the city administrator and/or his/her designee shall interpret the district boundaries.
(Ord. 531 § 1, 1973; Ord. 551 § 14.100, 1976; Ord. 1423 § 1 (Att. B), 2012)
The regulations set by this title within each district shall be minimum regulations and shall apply uniformly to each class or kind of structure or land, and particularly, except as hereinafter provided.
A. 
No building, structure or land shall hereafter be used or occupied and no building or structure or part thereof shall hereafter be erected, constructed, reconstructed, moved, or structurally altered except in conformity with all of the regulations specified in this title for the district in which it is located.
B. 
No building or other structure shall hereafter be erected or altered so as to:
1. 
Exceed the height or bulk;
2. 
Accommodate or house a greater number of families;
3. 
Occupy a greater percentage of lot area;
4. 
Have narrower or smaller rear yards, front yards, side yards, or other open spaces; than herein required in this title, or in any other manner contrary to the provisions of this title.
C. 
No part of a yard, or other open space, or off-street parking or loading space required about or in connection with any building, for the purpose of complying with this title, shall be included as part of a yard, open space, or off-street parking or loading space similarly required for any other building.
D. 
No yard or lot existing at the time of passage of this title shall be reduced in dimension or area below the minimum requirements set forth in this chapter. Yards or lots created after the effective date of the ordinance codified in this title shall meet at least the minimum requirements established by this title.
E. 
All territory which may hereafter be annexed to the city shall be zoned according to the recommendation of the city planning commission and the city council and made part of the annexation proceedings.
(Ord. 531 § 1, 1973; Ord. 551 § 16.100, 1976)