Chapter 9.05 — ZONING DISTRICTS AND ZONING MAP

9.05.010: RESERVED: ¶

9.05.020: PURPOSE: ¶

This chapter identifies and establishes base zoning districts and the overlay zones. (Ord. 253, 12-16-2014)

9.05.030: ESTABLISHMENT OF BASE ZONING AND OVERLAY DISTRICTS: ¶

A. General: The town is divided into zoning districts to allow for the orderly development of the town and to implement the general plan. Table 2-1 of this section identifies all zones. All zones shall be listed and appropriately designated on the official zoning map.

B. Base District: Every parcel shall have a base zone that establishes the primary type and intensity of land use permitted, along with development regulations for that particular type and intensity of land use. The base zoning districts are described in chapters 9.07 through 9.13 of this article 2.

C. Overlay District: An overlay zoning district supplements the base zone for the purpose of establishing special use or development regulations for a particular area in addition to the provisions of the underlying base zone. In the event of conflict between the base zone regulations and the overlay zone regulations, the provisions of the overlay zone shall apply. The overlay zoning districts are described in chapters 9.15 through 9.23 of this article 2. D. Table 2-1:

TABLE 2-1

BASE ZONING DISTRICTS IMPLEMENTING THE GENERAL PLAN

Zoning Map Symbol	Zone Description	Corresponding General Plan Land Use Designation
Residential zones:

Zoning Map Symbol	Zone Description	Corresponding General Plan Land Use Designation
Residential zones:
R-HR	Residential-Hillside reserve district - 1 unit/20 acres	Hillside residential (R-HR)
RL-10	Rural living district - 1 unit/10 acres	Rural living (RL-10)
RL-5	Rural living district - 1 unit/5 acres	Rural living (RL-5)
RL-2.5	Rural living district - 1 unit/2.5 acres	Rural residential (RR-2.5)
RL-1	Rural living district - 1 unit/acre	Rural residential (RR-1)
RS-2	Single-family residential district - 2 units/acre	Rural residential (RR-0.5)
RS-3.5	Single-family residential district - 3.5 units/acre	Low density residential (LDR)
RS-5	Single-family residential district - 5 units/acre	Low density residential (LDR)
RM-4	Multi-family residential - 4 units/acre	Low density residential (LDR)

	RM-8	Multi-family residential - 8 units/acre	Medium density residential (MDR)
	RM-10	Multi-family residential - 10 units/acre	Medium high density residential (MHDR)
	RM-14	Multi-family residential - 14 units/acre	Medium high density residential (MHDR)
Commercial zones:
	C-N	Neighborhood commercial	Commercial (C)
	C-G	General commercial	Commercial (C)
	C-C	Community commercial	Commercial (C)
	C-O	Office commercial	Commercial (C)
	C-MU	Mixed use commercial	Mixed use (MU)
Industrial zone:
	I	Industrial	Industrial (I)
Special purpose zones:
	P/QP	Public/quasi-public	Public/quasi-public (P/QP)
	OS	Open space	Open space (O-S)
	SP	Specific plan	Specific plan overlay (SP)

E. Table 2-2:

TABLE 2-2

OVERLAY ZONING DISTRICTS

Zoning Map Symbol	Overlay District Description

Zoning Map Symbol	Overlay District Description
AR1, AR2, AR3	Airport safety overlay districts 1, 2, and 3
FS	Fire safety overlay district
FP1, FP2, FP3	Floodplain safety overlay districts 1, 2, and 3
GH	Geologic and seismic hazards overlay district
HS	Hillside overlay district
LA	Large animal overlay district
SP	Specific plan overlay district
MHP	Senior mobilehome park overlay district

(Ord. 253, 12-16-2014; amd. Ord. 330, 9-16-2025)

9.05.040: OFFICIAL ZONING MAP: ¶

The official zoning map, together with the legend, symbols, notations, references, district boundaries and other information thereon, shall be a part of the development code and shall be adopted concurrently with the development code. Changes, additions, and amendments to the zoning map shall be adopted by ordinance and shall be processed, considered, and adopted in compliance with chapter 9.62, "Amendments To Development Code And Zone Changes",

of this title. The official zoning map shall be kept on file with the town clerk and shall constitute the original record. (Ord. 253, 12-16-2014)

9.05.050: RIGHTS OF WAY AND VACATED BOUNDARY LINES: ¶

Where a public street or alley is officially vacated or abandoned, the property encompassed by said street or alley shall be included within the zone or zones of the adjoining properties. If the adjoining properties are in different zones, the boundary lines shall be the centerline of the former street or alley and the extension of the side yard lines of the abutting properties. In the event such street, alley, or right of way was a boundary between two (2) or more different zones, the new zone or zone boundary shall be the property line that is created by such vacation. (Ord. 253, 12-162014)

9.05.060: DETERMINATION OF BOUNDARIES: ¶

A. If there is uncertainty about the location of a zone boundary shown on the official zoning map, the director shall determine the location of the boundary in the following manner, except as provided in section 9.05.050, "Rights Of Way And Vacated Boundary Lines", of this chapter.

Where a zone or area boundary approximately follows a lot line, street or alley line, the lot line, street centerline, or alley centerline shall be construed as the zone boundary;
Where a zone or area boundary divides a lot and the boundary line location is not specified by distances indicated on the subject map, the location of the boundary shall be determined by using the scale appearing on the map;
Where a public street or alley is officially vacated or abandoned, the regulations applicable to the property to which it reverts shall apply to the vacated or abandoned street or alley.

B. If the director determines that the above rules do not resolve uncertainty about a boundary location, the commission shall determine the location of the boundary. (Ord. 253, 12-16-2014)