The city is divided into zones or districts as shown on the official zoning map.
(Prior code § 30-107)
The boundaries of the zones or districts are established as shown on the map entitled the official zoning map of the city on file in the office of the city clerk, which map with all explanatory matters thereon shall be deemed to accompany, be, and is made a part of this title and such map shall be the final authority as to the current zoning status of land and water areas, buildings and other structures in the city. Where uncertainty exists with respect to the boundaries of the various districts as shown on the map accompanying and made a part of this title, the following rules shall apply:
A. 
The district boundaries are either streets or alleys unless otherwise shown and where the districts designated on the map accompanying and made a part of this title are bounded approximately by streets or alleylines, said street or alley shall be construed to be the boundary of such district.
B. 
Where the district boundaries are not otherwise indicated and where the property has not been or may hereafter be divided into blocks and lots, the district boundaries shall be construed to be the lot line, and where the districts designated on the map accompanying and made a part of this title are bounded approximately by lot lines, said lot line shall be construed to be the boundary of such district.
C. 
In unsubdivided property the district boundary lines on the map accompanying and made a part of this title shall be determined by the use of the scale contained on such map.
D. 
The districts aforesaid and the boundaries of such districts are shown upon the map attached to the ordinance codified in this title, same being designated as a zoning map and endorsed Exhibit A of the ordinance codified in this title, which said map is referred to and by this reference said map and all notations, references and other information shown thereon are made a part of this title as if the matters and the information set forth thereon were all fully described in this chapter.
(Prior code § 30-107)
The districts established by the title are designated as follows:
R-1 Low density residential district;
R-2 Moderate density residential district;
R-3 High density residential district;
RP Residential-professional district;
C-1 Downtown business district;
C-2 General business district;
CW Waterfront commercial district;
HS Highway service district;
C-M Commercial-manufacturing district;
M Manufacturing district;
MP Industrial performance district; and
O Open space district.
(Ord. 695 § 2, 2003)
If, in accordance with the provisions of this title and state statutes, changes are made in the district boundaries or other matter portrayed on the official zoning map, such changes shall be made on the official zoning map promptly after the amendment has been approved by the city council. The planning director is authorized to make such changes and he shall, from time to time, republish said map as the official map of the city for zoning purposes. Upon completion of the redrafting of the map, the planning director shall, under his signature, file said map with the city council and the city clerk. Such map which is filed will then constitute the official zoning map of the city. No changes of any nature shall be made in the official zoning map or matters shown therein except in conforming with the procedure set forth in this title. Any unauthorized change whatsoever by any person shall be considered a violation of this title and punishable as provided under Section 17.06.050.
(Prior code § 30-109; Ord. 631 Exh. A, 1989)
Unless otherwise established in accordance with procedures set forth in this title for rezoning of property, whenever property has been vacated or abandoned as a street, alley, or other public right-of-way, the boundaries of the district shall be determined in accordance with the following rules:
A. 
Wherever contiguous lands lie in one district, property which has been vacated or abandoned shall be deemed to be located in that same district.
B. 
Whenever the underlying fee to all or any portion of the property which has been vacated or abandoned is invested in an owner of contiguous land, such vacated or abandoned property or portion there-of shall be deemed to be included in the same district as the land which is both contiguous thereto and held in the same ownership.
C. 
Whenever contiguous lands lie in two or more districts and the underlying fee to all or any portion of the property vacated or abandoned is invested in a person other than an owner of contiguous land, determination of the district in which such vacated or abandoned property is to be included shall be in accordance with procedures set forth in this title for rezoning of property
(Prior code § 30-1 10)
Except as provided herein, any property which is annexed to or consolidated with the city, shall be deemed to be classified, except for dedicated streets and roads, as lying and being in an R-1 single family district until the same shall have been otherwise classified in the manner set forth in Chapter 17.58.
(Prior code § 30-III)
The city may prezone unincorporated territory adjoining the city for the purpose of determining the zoning that will apply to such property in the event of subsequent annexation to the city. The method for accomplishing such prezoning shall be as provided for rezoning in the part commencing with Section 17.58.010. Such zoning shall become effective at the same time that the annexation becomes effective.
(Prior code § 30-112)
A. 
No building shall be erected, converted, reconstructed, or structurally altered nor shall any building or land be used for any purpose other than is permitted in the district in which such building or land is located.
B. 
No building shall be erected, reconstructed, or structurally altered to exceed the height or bulk limits established in this title for the district in which such building is located.
C. 
No lot area shall be so reduced or diminished so that the yards for other open spaces shall be smaller than prescribed by this title.
D. 
No yard or open space provided with any building for the purpose of complying with the provisions of these regulations shall be considered as providing a yard or open space for any other building; provided further, that no yard or open space or an adjoining property shall be considered as providing a yard or open space on the lot whereon a building is to be erected.
E. 
Every building hereafter erected shall be located on a lot as defined in no case shall there be more than one building on one lot except as provided in this title.
F. 
The conversion of any building into a dwelling or conversion or any dwelling so as to accommodate an increased number of families shall be permitted only within a district in which a new building or similar use would be permitted under this code, and only when the remodeled building will comply with the requirements governing new construction in such district with respect to the required lot area, lot area per family, percentage of lot coverage, dimensions of yards and other open spaces and off-street parking. Each conversion shall be subject also to such other further requirements as may be specified hereinafter in the section applying to such district.
G. 
On a corner lot in any residential district no fence shall be erected or plants allowed to grow in such a manner as to materially impede vision between the height of three and ten feet above the centerline grades of the intersecting streets in the area bounded by the lot lines of such corner lots in a line joining points along such lot lines thirty-five feet from the point of intersection.
(Prior code § 30-1 13; Ord. 629 Exh. A, 1989)