Chapter 17.04 — ESTABLISHMENT AND DESIGNATION OF DISTRICTS
Trinity County Zoning Code · 2026-06 edition · updated 2026-09-25 · Trinity County
17.04.010 - Establishment and designation of districts.¶
The several districts hereby established and in to which the county is divided are designated as follows:
| Zoning District |
District Name |
|---|---|
| U | Unclassified Districts |
| A | Agricultural Districts |
| RD-I and II | Recreation District I and II |
| A-F | Agriculture—Forest Districts |
| R-R | Rural-Residential Districts |
| R-1 | One-Family Residence Districts |
| R-2 | Duplex Residence Districts |
| R-3 | Multiple Family Districts Residence Districts |
| C-N | Neighborhood Commercial Districts |
|---|---|
| C-1 | Retail Business Districts |
| C-2 | General Commercial Districts |
| H-C | Highway Commercial Districts |
| M | Industrial Districts |
| SUD | Specific Unit Development |
| SC | Scenic Conservation Districts |
| OS | Open Space District |
| M-H | Mobile Home Districts |
| TPZ | Timberland Preserve Districts |
| PF | Public Facilities Districts |
| MI | Mining Districts |
Chapter 17.05 - ESTABLISHMENT OF DISTRICTS
Section:
17.05.010 - Establishment of districts.
A.
The designations, locations and boundaries of such districts are set forth on the sectional district maps showing the zoning plan provided that all the unincorporated territory of the County of Trinity not included or indicted on the sectional district maps is hereby designated as in the "U" district.
B.
The aforesaid districts and certain combinations are hereby established insofar as the designation, locations and boundaries thereof are set forth and indicated in Chapter 17.04, and other sections of this title which describe certain of said districts; Chapter 17.08, which consists of index map to various sectional district maps, and Sections 17.09, 17.09.1, 17.09.2 and other sections of this title, each of which other section is designated by the number 17.09, followed by a period and numeral or letter, and which section consists of a sectional district map which shows the designation, locations, and boundaries of certain said districts. Said maps and all notations, reference data, and other information shown thereon are hereby made a part of this title.
C.
Where uncertainty exists as to the boundaries of any of the aforesaid districts as described as aforesaid or as shown on said sectional maps, the planning commission, upon written application, or upon its own
motion, shall determine the location of such boundaries.
Chapter 17.06 - EFFECT OF ESTABLISHMENT OF DISTRICTS
Section:
17.06.010 - Effect of establishment of districts.
A.
Except as hereinafter otherwise provided:
1.
No building shall be erected and no existing building shall be moved, altered, added to or enlarged, nor shall any land, building, or premises be used, designated or intended to be used for any purpose, or in any manner other than is included among the uses hereinafter listed as permitted in the district in which such building, land, or premises is located.
2.
No building shall be erected, reconstructed or structurally altered to exceed in height the limit hereinafter designated for the districts in which such building is located.
3.
No building shall be erected, nor shall any existing building be altered, enlarged, or rebuilt, nor shall any open space be encroached upon or reduced in any manner except in conformity to the yard, building site area and building location regulations hereinafter designated for the district in which such building or open space is located.
4.
No yard or other open space provided about any building for the purpose of complying with provisions of this title shall be considered as providing a yard or open space for any other building, and no yard or other open space on one building site, shall be considered as providing a yard or open space for a building on any other building site.
B.
No governmental unit whether county, district, state or federal shall be exempt from the provisions of this title.
Chapter 17.07 - "U" DISTRICTS
Section:
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Ask AI about this code▸Contents — Trinity County Zoning Code
▸Title 17 — ZONING
Overview- Chapter 17.02 — PURPOSE OF ADOPTION OF ZONING PLAN
- Chapter 17.03 — NATURE OF ZONING PLAN
- Chapter 17.04 — ESTABLISHMENT AND DESIGNATION OF DISTRICTS
- 17.07 — "U" DISTRICTS
- Chapter 17.08 — INDEX MAP
- Chapter 17.09 — SECTIONAL DISTRICT MAPS
- Chapter 17.10 — DEFINITIONS
- Chapter 17.11 — UNCLASSIFIED OR "U" DISTRICT
- Chapter 17.13 — AGRICULTURAL OR "A" DISTRICT
- Chapter 17 — 13A - AGRICULTURAL PRESERVE DISTRICT OR "AP" DIST…
- Chapter 17 — 29A - CRITICAL WATER RESOURCE OVERLAY ZONE "CWR"
- Chapter 17 — 30A - SURFACE MINING AND RECLAMATION
- Chapter 17.32 — USE PERMITS
- Chapter 17.33 — NONCONFORMING USES