Highlighted below: 12 of 18 extracted standards. Sections and highlights carry their own anchors. The rest quote wording that differs from this rendering of the text.
CHAPTER 20.040 - ESTABLISHMENT OF ZONING DISTRICTS#
Footnotes: --- (8) ---
Editor's note— Ord. No. 4538, § 8(Exh. A), adopted September 10, 2024, repealed Ch. 20.040 and enacted a new Ch. 20.040 as set out herein and as may later be amended. Former Ch. 20.040 pertained to similar subject matter and derived from Ord. No. 3639, adopted 1987; Ord. No. 3804, adopted 1992; Ord. No. 4445, adopted December 16, 2019; and Ord. No. 4450, adopted December 16, 2019.
Sec. 20.040.005 - Zoning Districts Established.#
Mendocino County is divided into zoning districts to allow for orderly, planned development and to implement the General Plan. Table 20.040-A (Zoning Districts Implementing the General Plan) identifies the zoning districts established by this Division and the General Plan land use classifications the zoning districts implement. Table 20.040-A shall be utilized in determining the compatibility of zoning districts with General Plan land use classifications. The minimum parcel size allowed by zoning may not be smaller than the minimum parcel size specified by the General Plan Classification. The several classes of districts, and into which the County may be divided, are designated as follows:
- S-R Suburban Residential;
- R-R Rural Residential§;
- A-G Agricultural;
- U-R Upland Residential;
- R-L Rangeland;
- F-L Forest Land;
- TPZ Timberland Production;
- R-1 Single-family Residential;
- R-2 Two-family Residential;
- R-3 Multiple-family Residential;
- R-C Rural Community§;
- MU-2 General Mixed Use District;
- MUNS Mixed Use North State Street;
- MUBST Mixed Use Brush Street Triangle;
- C-1 Limited Commercial;
- C-2 General Commercial;
- I-1 Limited Industrial;
- I-2 General Industrial;
- P-I Pinoleville Industrial;
- O-S Open Space;
- P-F Public Facilities.
Table 20.040-A—Zoning Districts Implementing the General Plan and Compatibility Chart#
| Zoning District Symbol | Zoning District Name | General Plan Land Use Designations Implemented by Zoning District and Compatible with Zoning District |
|---|---|---|
| Agricultural and Resource Conservation Zoning Districts | ||
| A-G | Agricultural District | Remote Residential; Agricultural Lands§ |
| R-L | Rangeland District | Rangelands; Remote Residential§ |
| F-L | Forest Land District | Remote Residential; Rangelands; Forest Lands; Remote Resource Lands§ |
| T-P | Timberland Production District | Remote Residential; Rangelands; Forest Lands; Remote Resource Lands |
| Residential Zoning Districts | ||
| R-R | Rural Residential | Rural Residential |
| U-R | Upland Residential | Remote Residential |
| S-R | Suburban Residential | Rural Community; Suburban Residential§ |
| R-1 | Single-Family Residential | Rural Community; Suburban Residential |
| R-2 | Two-Family Residential | Rural Community; Mixed-Use, Suburban Residential |
| R-3 | Multiple-Family Residential | Rural Community; Mixed-Use; Suburban Residential |
| Mixed Use Zoning Districts | ||
| MU-2 | Mixed-Use 2 | Mixed Use |
| MUNS | Mixed Use North State | Mixed Use; Mixed Use North State Street (see Ukiah Valley Area Plan)§ |
| MUBST | Mixed Use Brush Street Triangle | Mixed Use; Mixed Use Brush Street Triangle (see Ukiah Valley Area Plan)§ |
| Commercial Zoning Districts | ||
| C-1 | Limited Commercial | Suburban Residential; Commercial; Mixed Use, Rural Community |
| C-2 | General Commercial | Rural Community; Mixed Use; Commercial |
| R-C | Rural Community | Rural Community |
| Industrial Zoning Districts | ||
| I-1 | Limited Industrial | Rural Community; Industrial |
| I-2 | General Industrial | Rural Community; Industrial |
| Public/Quasi-Public Zoning Districts | ||
| O-S | Open Space | Rural Community; Suburban Residential; Rural Residential; Remote Residential; Agricultural Lands; Rangelands; Forest Lands; Remote Resource Lands; Public Lands; Open Space; and Public Services§ |
| P-F | Public Facilities | Rural Community; Mixed-Use; Suburban Residential; Rural Residential; Remote Residential; Industrial; Commercial; Agricultural Lands; Public Lands; Public Services§ |
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)
Sec. 20.040.010 - Combining Districts.#
A combining district supplements the zoning district for the purpose of establishing special use or development regulations for a particular area in addition to the provisions of the underlying zoning district. In the event of conflict between the zoning district regulations and the combining district regulations, the provisions of the combining district shall apply. In the event of conflict between multiple overlapping, combining districts, the most stringent regulations shall apply unless an applicable code section explicitly states otherwise. Combining districts may be established and designated as follows, subject to the procedures contained in Chapter 20.212:
- "AZ" Airport Zone Combining District;
- "C" Cluster Combining District;
- "CA" Cannabis Accommodation Combining District;
- "CC" Community Character Combining District;
- "CP" Commercial Cannabis Prohibition Combining District;
- "FP" Special Flood Plain Combining District;
- "IS" Isolated Service Combining District;
- "L" Special Minimum Lot Size Combining District;
- "MP" Mineral Processing Combining District;
- "PD" Planned Development Combining District;
- "P" Plan Combining District;
- "R" Commercial Resort Combining District;
- "SS" Seismic Study Combining District.
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)
Sec. 20.040.015 - Location and Boundaries of Districts.#
The designation, location and boundaries of the aforesaid districts shall be by written description, assessors parcel or by delineation on zoning maps which may be hereafter be adopted as provided in Chapter 20.212, Amendments and Alterations. Said maps and all notations, references, data and other information shown thereon shall become a part of this Division and subject thereto, and all such written descriptions and maps shall constitute Section 20.040.020 (next section) hereof.
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)
Sec. 20.040.020 - Zoning Maps of the County of Mendocino.#
This Section consists of the document entitled "Computer Print Out of Zoning Designation by Assessors Parcel Number." Said document is hereby adopted and incorporated herein by reference. Copies of said document shall be maintained by the Clerk of the Board and by the Department of Planning and Building Services. Said document shall not be codified.
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)
Sec. 20.040.025 - Determining Uncertain Boundaries.#
The Director of the Department of Planning and Building Services shall determine the boundaries of zoning districts when there is uncertainty. The Director's determination may be appealed to the Planning Commission pursuant to Chapter 20.208. The Director shall utilize the following rules in making determinations regarding zoning district boundaries:
(A) Streets or Alleys. Where the indicated zoning boundaries are approximately street or alley lines, the center lines of such street or alley shall be construed to be the boundaries of such zone.
(B) Lot Lines. Where the zoning boundaries are not shown to be streets or alleys, and where the property has been or may hereafter be divided into blocks, lots, or assessors parcels, the zoning boundaries shall be construed to be lot lines or assessors parcels; and where the indicated boundaries are approximately lot lines or assessors parcels, said lot lines or assessors parcels shall be construed to be the boundaries of said zone, unless said boundaries are otherwise indicated.
(C) Scale of Map. Where the property is indicated on a zoning map or maps as acreage and not divided into lots, blocks, or assessors parcels or where the zone boundary lines are not approximately street, alley or lot lines, the zone boundary line shall be determined by use of the scale on the map unless dimensions are shown thereof by figures.
(D) Vacated Street or Alley. In the event a dedicated street or alley shown on the zoning map or maps is vacated by resolution or amendment of any section of this Code, the property formerly in said street or alley shall be included within the zone of the adjoining property on either side of said vacated street or alley. In the event said street or alley was a zone boundary between two (2) or more different zones, the new zone boundary shall be the former center line of the vacated street or alley.
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)
CHAPTER 20 - ZONING CODE#
TABLE OF CONTENTS#
| Chapter | Title |
|---|---|
| CHAPTER 20 102 | P-I Pinoleville Industrial District |
| CHAPTER 20 104 | O-S Open Space District |
| CHAPTER 20 108 | P-F Public Facilities District |
| CHAPTER 20 112 | RESERVED |
| CHAPTER 20 114 | "AZ" Airport Zone Combining District |
| CHAPTER 20 116 | "C" Cluster Combining District |
| CHAPTER 20 118 | "CA" Cannabis Accommodation Combining District |
| CHAPTER 20 119 | "CP" Commercial Cannabis Prohibition Combining District |
| CHAPTER 20 120 | RESERVED |
| CHAPTER 20 124 | "IS" Isolated Service Combining District |
| CHAPTER 20 128 | RESERVED |
| CHAPTER 20 132 | "L" Special Minimum Lot Size Combining District |
| CHAPTER 20 134 | "MP" Mineral Processing Combining District |
| CHAPTER 20 136 | PD Planned Development Combining District |
| CHAPTER 20 138 | "P" Plan Combining District |
| CHAPTER 20 140 | RESERVED |
| CHAPTER 20 144 | "SS" Seismic Study Combining District |
| CHAPTER 20 146 | "R" Commercial Resort Combining District |
| CHAPTER 20 147 | Community Character Combining District |
| CHAPTER 20 148 | RESERVED |
| CHAPTER 20 152 | General Provisions and Exceptions Districts |
| CHAPTER 20 156 | Home Occupations |
| CHAPTER 20 160 | Cottage Industries |
| CHAPTER 20 164 | Accessory Use Regulations |
| CHAPTER 20 166 | Accessory Dwelling Units and Junior Accessory Dwelling Units |
| CHAPTER 20 168 | Temporary Use Regulations |
| CHAPTER 20 170 | Moveable Tiny Homes |
| CHAPTER 20 172 | Mobile Homes and Mobile Home Parks |
| CHAPTER 20 176 | Recreational Vehicle Parks and Campgrounds |
| CHAPTER 20 180 | Off-Street Parking |
| CHAPTER 20 184 | Sign Regulations |
| CHAPTER 20 188 | Development Review |
| CHAPTER 20 190 | Administration |
| CHAPTER 20 192 | Administrative Permits |
| CHAPTER 20 196 | Use Permits |
| CHAPTER 20 200 | Variances |
| CHAPTER 20 204 | Nonconforming Uses and Structures |
| CHAPTER 20 206 | RESERVED |
| CHAPTER 20 208 | Appeals |
| CHAPTER 20 212 | Amendments to the General Plan, Specific Plan, Zoning Code, and Zoning Map |
| CHAPTER 20 216 | Enforcement, Legal Procedure and Penalties |
| CHAPTER 20 220 | RESERVED |
| CHAPTER 20 224 | RESERVED |
| CHAPTER 20 228 | RESERVED |
| CHAPTER 20 232 | Development Review Process for Brooktrails Township |
| CHAPTER 20 234 | Affordable Housing and Density Bonuses |
| CHAPTER 20 236 | Towers and Antennas |
| CHAPTER 20 238 | RESERVED |
| CHAPTER 20 239 | Requests for Reasonable Accommodations Under the Fair Housing Acts |
| CHAPTER 20 240 | Development Review Within the Brush Street Triangle |
| CHAPTER 20 242 | Cannabis Cultivation Sites |
| CHAPTER 20 243 | Cannabis Facilities |
APPENDICES#
| Appendix | Title |
|---|---|
| APPENDIX A | Industrial Uses Which Normally Will Not Require Development Review |
| APPENDIX B | Industrial Uses Which Require Environmental Review |
| APPENDIX C | Exterior Noise Limit Standards |
Mendocino County Unincorporated City Zoning Code#
CHAPTER 20.040 - ESTABLISHMENT OF ZONING DISTRICTS#
Footnotes:
- (8) Editor's note—Ord. No. 4538, § 8(Exh. A), adopted September 10, 2024, repealed Ch. 20.040 and enacted a new Ch. 20.040 as set out herein and as may later be amended. Former Ch. 20.040 pertained to similar subject matter and derived from Ord. No. 3639, adopted 1987; Ord. No. 3804, adopted 1992; Ord. No. 4445, adopted December 16, 2019; and Ord. No. 4450, adopted December 16, 2019.
Sec. 20.040.005 - Zoning Districts Established.#
Mendocino County is divided into zoning districts to allow for orderly, planned development and to implement the General Plan. Table 20.040-A (Zoning Districts Implementing the General Plan) identifies the zoning districts established by this Division and the General Plan land use classifications the zoning districts implement. Table 20.040-A shall be utilized in determining the compatibility of zoning districts with General Plan land use classifications. The minimum parcel size allowed by zoning may not be smaller than the minimum parcel size specified by the General Plan Classification. The several classes of districts, and into which the County may be divided, are designated as follows:
- S-R Suburban Residential;
- R-R Rural Residential;
- A-G Agricultural;
- U-R Upland Residential;
- R-L Rangeland;
- F-L Forest Land;
- TPZ Timberland Production;
- R-1 Single-family Residential;
- R-2 Two-family Residential;
- R-3 Multiple-family Residential;
- R-C Rural Community;
- MU-2 General Mixed Use District;
- MUNS Mixed Use North State Street;
- MUBST Mixed Use Brush Street Triangle;
- C-1 Limited Commercial;
- C-2 General Commercial;
- I-1 Limited Industrial;
- I-2 General Industrial;
- P-I Pinoleville Industrial;
- O-S Open Space;
- P-F Public Facilities.
Table 20.040-A—Zoning Districts Implementing the General Plan and Compatibility Chart#
| Zoning District Symbol | Zoning District Name | General Plan Land Use Designations Implemented by Zoning District and Compatible with Zoning District |
|---|---|---|
| Agricultural and Resource Conservation Zoning Districts | ||
| A-G | Agricultural District | Remote Residential; Agricultural Lands |
| R-L | Rangeland District | Rangelands; Remote Residential§ |
| F-L | Forest Land District | Remote Residential; Rangelands; Forest Lands; Remote Resource Lands |
| T-P | Timberland Production District | Remote Residential; Rangelands; Forest Lands; Remote Resource Lands |
| Residential Zoning Districts | ||
| R-R | Rural Residential | Rural Residential |
| U-R | Upland Residential | Remote Residential |
| S-R | Suburban Residential | Rural Community; Suburban Residential |
| R-1 | Single-Family Residential | Rural Community; Suburban Residential |
| R-2 | Two-Family Residential | Rural Community; Mixed-Use, Suburban Residential |
| R-3 | Multiple-Family Residential | Rural Community; Mixed-Use; Suburban Residential |
| Mixed Use Zoning Districts | ||
| MU-2 | Mixed-Use 2 | Mixed Use |
| MUNS | Mixed Use North State | Mixed Use; Mixed Use North State Street (see Ukiah Valley Area Plan) |
| MUBST | Mixed Use Brush Street Triangle | Mixed Use; Mixed Use Brush Street Triangle (see Ukiah Valley Area Plan) |
| Commercial Zoning Districts | ||
| C-1 | Limited Commercial | Suburban Residential; Commercial; Mixed Use, Rural Community |
| C-2 | General Commercial | Rural Community; Mixed Use; Commercial |
| R-C | Rural Community | Rural Community |
| Industrial Zoning Districts | ||
| I-1 | Limited Industrial | Rural Community; Industrial |
| I-2 | General Industrial | Rural Community; Industrial |
| Public/Quasi-Public Zoning Districts | ||
| O-S | Open Space | Rural Community; Suburban Residential; Rural Residential; Remote Residential; Agricultural Lands; Rangelands; Forest Lands; Remote Resource Lands; Public Lands; Open Space; and Public Services |
| P-F | Public Facilities | Rural Community; Mixed-Use; Suburban Residential; Rural Residential; Remote Residential; Industrial; Commercial; Agricultural Lands; Public Lands; Public Services |
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)
Sec. 20.040.010 - Combining Districts.#
A combining district supplements the zoning district for the purpose of establishing special use or development regulations for a particular area in addition to the provisions of the underlying zoning district. In the event of conflict between the zoning district regulations and the combining district regulations, the provisions of the combining district shall apply. In the event of conflict between multiple overlapping, combining districts, the most stringent regulations shall apply unless an applicable code section explicitly states otherwise. Combining districts may be established and designated as follows, subject to the procedures contained in Chapter 20.212:
- "AZ" Airport Zone Combining District;
- "C" Cluster Combining District;
- "CA" Cannabis Accommodation Combining District;
- "CC" Community Character Combining District;
- "CP" Commercial Cannabis Prohibition Combining District;
- "FP" Special Flood Plain Combining District;
- "IS" Isolated Service Combining District;
- "L" Special Minimum Lot Size Combining District;
- "MP" Mineral Processing Combining District;
- "PD" Planned Development Combining District;
- "P" Plan Combining District;
- "R" Commercial Resort Combining District;
- "SS" Seismic Study Combining District.
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)
Sec. 20.040.015 - Location and Boundaries of Districts.#
The designation, location and boundaries of the aforesaid districts shall be by written description, assessors parcel or by delineation on zoning maps which may be hereafter be adopted as provided in Chapter 20.212, Amendments and Alterations. Said maps and all notations, references, data and other information shown thereon shall become a part of this Division and subject thereto, and all such written descriptions and maps shall constitute Section 20.040.020 (next section) hereof.
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)
Sec. 20.040.020 - Zoning Maps of the County of Mendocino.#
This Section consists of the document entitled "Computer Print Out of Zoning Designation by Assessors Parcel Number." Said document is hereby adopted and incorporated herein by reference. Copies of said document shall be maintained by the Clerk of the Board and by the Department of Planning and Building Services. Said document shall not be codified.
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)
Sec. 20.040.025 - Determining Uncertain Boundaries.#
The Director of the Department of Planning and Building Services shall determine the boundaries of zoning districts when there is uncertainty. The Director's determination may be appealed to the Planning Commission pursuant to Chapter 20.208. The Director shall utilize the following rules in making determinations regarding zoning district boundaries:
(A) Streets or Alleys. Where the indicated zoning boundaries are approximately street or alley lines, the center lines of such street or alley shall be construed to be the boundaries of such zone.
(B) Lot Lines. Where the zoning boundaries are not shown to be streets or alleys, and where the property has been or may hereafter be divided into blocks, lots, or assessors parcels, the zoning boundaries shall be construed to be lot lines or assessors parcels; and where the indicated boundaries are approximately lot lines or assessors parcels, said lot lines or assessors parcels shall be construed to be the boundaries of said zone, unless said boundaries are otherwise indicated.
(C) Scale of Map. Where the property is indicated on a zoning map or maps as acreage and not divided into lots, blocks, or assessors parcels or where the zone boundary lines are not approximately street, alley or lot lines, the zone boundary line shall be determined by use of the scale on the map unless dimensions are shown thereof by figures.
(D) Vacated Street or Alley. In the event a dedicated street or alley shown on the zoning map or maps is vacated by resolution or amendment of any section of this Code, the property formerly in said street or alley shall be included within the zone of the adjoining property on either side of said vacated street or alley. In the event said street or alley was a zone boundary between two (2) or more different zones, the new zone boundary shall be the former center line of the vacated street or alley.
(Ord. No. 4538, § 8(Exh. A), 9-10-2024)