Mendocino County Unincorporated, CA Zoning Ordinance#

CHAPTER 20.072 - R-1 SINGLE-FAMILY RESIDENTIAL DISTRICT#R-1

Footnotes: --- (16) ---

Editor's note— Ord. No. 4538, § 16(Exh. A), adopted September 10, 2024, repealed Ch. 20.072 and enacted a new Ch. 20.072 as set out herein and as may later be amended. Former Ch. 20.072 pertained to similar subject matter and derived from Ord. No. 3639, adopted 1987; and Ord. No. 4225, adopted July 20, 2009.

---

Sec. 20.072.005 - Intent.#

This district is intended to create and enhance neighborhoods where a topography, access, utilities and public services make the land suitable and desirable for single-family home development and community services appurtenant thereto.

(Ord. No. 4538, § 16(Exh. A), 9-10-2024)

---

Sec. 20.072.010 - Permitted Uses.#

The following use types are permitted in the R-1 District:

(A) Residential Use Types (See Chapter 20.016).

• Assisted Living Residential Care Facility;
• Day Care Facility;
• Employee Housing;
• Family residential—single-family.

(B) Civic Use Types (See Chapter 20.020).

• Community recreation;
• Essential services;
• Fire and police protection services;
• Minor impact utilities.

(C) Agricultural Use Types (See Chapter 20.032).

• Animal raising—personal;
• Forest production and processing—limited;
• Horticulture;
• Packing and processing—limited;
• Row and field crops;
• Tree crops.

(D) Accessory uses as provided in Chapter 20.164.

(Ord. No. 4538, § 16(Exh. A), 9-10-2024)

---

Sec. 20.072.015 - Uses Subject to an Administrative Permit.#

The following use types are permitted in the R-1 District upon issuance of an Administrative Permit:

(A) Residential Use Types (See Chapter 20.016).

• Family residential—dwelling groups;
• Low Barrier Navigation Center;
• Supportive Housing;
• Transitional Housing.

(B) Civic Use Types (See Chapter 20.020).

• Cemetery;
• Day care facilities/small schools;
• Group care;
• Lodge, fraternal and civic assembly;
• Religious assembly.

(Ord. No. 4538, § 16(Exh. A), 9-10-2024)

---

Sec. 20.072.020 - Uses Subject to a Use Permit.#

The following use types are permitted in the R-1 District upon issuance of a Use Permit:

(A) Residential Use Types (See Chapter 20.016).

• Mobile Home Park.

(B) Civic Use Types (See Chapter 20.020).

• Major impact services and utilities.

(C) Commercial Use Types (See Chapter 20.024).

• Commercial recreation—outdoor sports and recreation;
• Transient habitation—lodging (limited).

(D) Extractive Use Types (See Chapter 20.036).

• Mining and processing.

(Ord. No. 4538, § 16(Exh. A), 9-10-2024)

---

Sec. 20.072.025 - Minimum Lot Area.#

(A) For parcels within water and sewer districts:

Use	Minimum Lot Area
Mobile home parks	4,000 square feet
Single-family residential use	6,000 square feet

(B) For parcels within water or sewer districts: 12,000 square feet.

(C) For parcels not in a water or sewer district: 40,000 square feet.§

(Ord. No. 4538, § 16(Exh. A), 9-10-2024)

---

Sec. 20.072.030 - Maximum Dwelling Density.#

One (1) single-family dwelling per legally created parcel, except as separately provided for below.§ Construction of more than one (1) single-family dwelling may be permissible as the Family Residential—Dwelling Group use type and shall be consistent with the following density standards:

(A) For parcels within water and sewer districts:

Use	Maximum Density
Mobile home parks	1 single-family dwelling per 4,000 square feet of lot area
Single-family residential	1 single-family dwelling per 6,000 square feet of lot area

(B) For parcels within water or sewer districts:

Use	Maximum Density
Single-family residential	1 single-family dwelling per 12,000 square feet of lot area

(C) For parcels not in a water or sewer district:

Use	Maximum Density
Single-family residential	1 single-family dwelling per 40,000 square feet of lot area

(Ord. No. 4538, § 16(Exh. A), 9-10-2024)

---

Sec. 20.072.035 - Minimum Front and Rear Yards.#

Twenty (20) feet. See setback exceptions in section 20.152.015.

(Ord. No. 4538, § 16(Exh. A), 9-10-2024)

---

Sec. 20.072.040 - Minimum Side Yards.#

Six (6) feet each. See setback exceptions in section 20.152.015.

(Ord. No. 4538, § 16(Exh. A), 9-10-2024)

---

Sec. 20.072.045 - Building Height Limit.#

Thirty-five (35) feet. See height exceptions in section 20.152.025.

(Ord. No. 4538, § 16(Exh. A), 9-10-2024)

---

CHAPTER 20 - TABLE OF CONTENTS#

Chapter	Title
20.004	General
20.008	Definitions
20.012	Use Classifications
20.016	Residential Use Types
20.020	Civic Use Types
20.024	Commercial Use Types
20.028	Industrial Use Types
20.032	Agricultural Use Types
20.036	Extractive Use Types
20.040	Establishment of Zoning Districts
20.044	"S-R" Suburban Residential District
20.048	"R-R" Rural Residential District
20.052	"A-G" Agricultural District
20.056	U-R Upland Residential District
20.060	R-L Rangeland District
20.064	F-L Forest Land District
20.068	TPZ Timberland Production Zoning District
20.072	R-1 Single-Family Residential District
20.076	R-2 Two-Family Residential District
20.080	R-3 Multiple-Family Residential District
20.084	R-C Rural Community District
20.085	MU-2 General Mixed Use District
20.086	MUNS Mixed Use North State District
20.087	MUBST Mixed Use Brush Street Triangle District
20.088	C-1 Limited Commercial District
20.092	C-2 General Commercial District
20.096	I-1 Limited Industrial District
20.100	I-2 General Industrial District
20.102	P-I Pinoleville Industrial District
20.104	O-S Open Space District
20.108	P-F Public Facilities District
20.112	Reserved
20.114	"AZ" Airport Zone Combining District
20.116	"C" Cluster Combining District
20.118	"CA" Cannabis Accommodation Combining District
20.119	"CP" Commercial Cannabis Prohibition Combining District
20.120	Reserved
20.124	"IS" Isolated Service Combining District
20.128	Reserved
20.132	"L" Special Minimum Lot Size Combining District
20.134	"MP" Mineral Processing Combining District
20.136	PD Planned Development Combining District
20.138	"P" Plan Combining District
20.140	Reserved
20.144	"SS" Seismic Study Combining District
20.146	"R" Commercial Resort Combining District
20.147	Community Character Combining District
20.148	Reserved
20.152	General Provisions and Exceptions Districts
20.156	Home Occupations
20.160	Cottage Industries
20.164	Accessory Use Regulations
20.166	Accessory Dwelling Units and Junior Accessory Dwelling Units
20.168	Temporary Use Regulations
20.170	Moveable Tiny Homes
20.172	Mobile Homes and Mobile Home Parks
20.176	Recreational Vehicle Parks and Campgrounds
20.180	Off-Street Parking
20.184	Sign Regulations
20.188	Development Review
20.190	Administration
20.192	Administrative Permits
20.196	Use Permits
20.200	Variances
20.204	Nonconforming Uses and Structures
20.206	Reserved
20.208	Appeals
20.212	Amendments to the General Plan, Specific Plan, Zoning Code, and Zoning Map
20.216	Enforcement, Legal Procedure and Penalties
20.220	Reserved
20.224	Reserved
20.228	Reserved
20.232	Development Review Process for Brooktrails Township
20.234	Affordable Housing and Density Bonuses
20.236	Towers and Antennas
20.238	Reserved
20.239	Requests for Reasonable Accommodations Under the Fair Housing Acts
20.240	Development Review Within the Brush Street Triangle
20.242	Cannabis Cultivation Sites
20.243	Cannabis Facilities

APPENDICES#

Appendix	Title
A	Industrial Uses Which Normally Will Not Require Development Review
B	Industrial Uses Which Require Environmental Review
C	Exterior Noise Limit Standards