Ordinance chapter · Mendocino County Unincorporated, California

Chapter 20

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CHAPTER 20.080 - R-3 MULTIPLE-FAMILY RESIDENTIAL DISTRICT#R-3

Footnotes: --- (18) ---

Editor's note— Ord. No. 4538, § 18(Exh. A), adopted September 10, 2024, repealed Ch. 20.080 and enacted a new Ch. 20.080 as set out herein and as may later be amended. Former Ch. 20.080 pertained to similar subject matter and derived from Ord. No. 3639, adopted 1987; and Ord. No. 4225, adopted July 20, 2009.


Sec. 20.080.005 - Intent.#

This district is intended to create and enhance areas suitable for higher density residential uses, and for professional offices and institutional uses.

(Ord. No. 4538, § 18(Exh. A), 9-10-2024)


Sec. 20.080.010 - Permitted Uses.#

The following use types are permitted in the R-3 District:

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

  • Assisted Living Residential Care Facility;
  • Day Care Facility;
  • Employee Housing;
  • Family residential—multi-family;
  • Low Barrier Navigation Center;
  • Supportive Housing;
  • Transitional Housing.

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

  • Administrative services, government;
  • Clinic services;
  • Community recreation;
  • Cultural exhibits and library services;
  • Day care facilities/small schools;
  • Essential services;
  • Fire and police protection services;
  • Group care;
  • Lodge, fraternal and civic assembly;
  • Minor impact utilities;
  • Religious assembly.

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

  • Administrative and business offices;
  • Community recreation—outdoor sports and recreation;
  • Medical services;
  • Personal services.

(D) 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.

(E) Accessory uses as provided in Chapter 20.164.

(Ord. No. 4538, § 18(Exh. A), 9-10-2024)


Sec. 20.080.015 - Uses Subject to an Administrative Permit.#

The following use types are permitted in the R-3 District upon issuance of an Administrative Permit:

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

  • Family residential—single family;
  • Family residential—two-family;
  • Family residential—dwelling groups.

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

  • Cemetery.

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

  • Automotive and equipment—parking.

(Ord. No. 4538, § 18(Exh. A), 9-10-2024)


Sec. 20.080.020 - Uses Subject to a Use Permit.#

The following use types are permitted in the R-3 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).

  • Educational facilities;
  • Major impact facilities;
  • Major impact services and utilities.

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

  • Commercial recreation—indoor entertainment;
  • Transient habitation—campground;
  • Transient habitation—lodging (limited).

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

  • Mining and processing.

(Ord. No. 4538, § 18(Exh. A), 9-10-2024)


Sec. 20.080.025 - Minimum Lot Area.#

Parcel Classification Minimum Lot Area
(A) Parcels within water and sewer districts 4,000 sq. ft. for mobile home parks; 6,000 sq. ft. for all other residential use
(B) Parcels within water or sewer districts 12,000 sq. ft.
(C) Parcels not in a water or sewer district 40,000 sq. ft.

(Ord. No. 4538, § 18(Exh. A), 9-10-2024)


Sec. 20.080.030 - Maximum Dwelling Density.#

Parcel Classification Dwelling Type Maximum Density
(A) Parcels within water and sewer districts Single-family and Mobile Home Parks 1 unit per 4,000 sq. ft.
Two-family; multi-family 1 unit per 1,500 sq. ft.
(B) Parcels within water or sewer districts Single-family 1 unit per 12,000 sq. ft.
Two-family; Multi-family 1 unit per 12,000 sq. ft.
(C) Parcels not in a water or sewer district Single-family 1 unit per 40,000 sq. ft.
Two-family; Multi-family Not permitted

(Ord. No. 4538, § 18(Exh. A), 9-10-2024)


Sec. 20.080.035 - Minimum Front and Rear Yards.#

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

(Ord. No. 4538, § 18(Exh. A), 9-10-2024)


Sec. 20.080.040 - Minimum Side Yards.#

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

(Ord. No. 4538, § 18(Exh. A), 9-10-2024)


Sec. 20.080.045 - Building Height Limit.#

Fifty (50) feet. See height exceptions in section 20.152.025.

(Ord. No. 4538, § 18(Exh. A), 9-10-2024)