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Earlier editions: 2026-09

Title 20 — ZONING ORDINANCE›Division II — MENDOCINO COUNTY COASTAL ZONING CODE

Mendocino County Municipal Code § 20.376.025 Maximum Dwelling Density for RR Districts

Mendocino County Municipal Code · 2026-10 edition · updated 2026-10-04 · Mendocino County

Cite as: Mendocino County Municipal Code § 20.376.025 · Text as of 2026-10-04

Sec. 20.376.005 - Intent.

This district is intended to encourage and preserve local small scale farming in the Coastal Zone on lands which are not well-suited for large scale commercial agriculture. Residential uses should be located as to create minimal impact on the agricultural viability.

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.010 - Principal Permitted Uses for RR Districts.

The following use types are permitted in the Rural Residential District:

(A) Coastal Residential Use Types.

Family Residential: Single-family;

Vacation Home Rental.

(B) Coastal Agricultural Use Types.

Light Agriculture;

Row and Field Crops;

Tree Crops.

(C) Coastal Open Space Use Types.

Passive Recreation.

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.015 - Conditional Uses for RR Districts.

The following are permitted uses upon the issuance of a coastal development use permit:

(A) Coastal Residential Use Types.

Family Residential: Cluster Development (RR:L-10 Districts Only);

Mobile Home Park.

(B) Coastal Civic Use Types.

Alternative Energy Facilities: On-site;

Alternative Energy Facilities: Off-site;

Community Recreation;

Day Care Facilities/Small School;

Educational Facilities;

Fire and Police Protection Services;

Group Care;

Lodge, Fraternal and Civic Assembly;

Major Impact Services and Utilities;

Minor Impact Utilities;

Religious Assembly.

(C) Coastal Commercial Use Types.

Animal Sales and Services: Horse Stables;

Cottage Industries.

(D) Coastal Agricultural Use Types.

Forest Production and Processing: Limited;

Forest Production and Processing: Commercial Woodlots;

Horticulture;

Packing and Processing: Limited.

(E) Coastal Open Space Use Types.

Active Recreation.

(F) Coastal Extractive Use Types.

Mining and Processing.

(G) Coastal Natural Resource Use Types.

Fish and Wildlife Habitat Management;

Watershed Management.

(Ord. No. 3785 (part), adopted 1991; Ord. No. 3857, adopted 1993)

Exceptions & meaning →

Sec. 20.376.020 - Minimum Lot Area for RR Districts.

(A) RR: Forty thousand (40,000) square feet.

(B) RR:L-2: Two (2) acres.

(C) RR:L-5: Five (5) acres.

(D) RR:L-10: Ten (10) acres.

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.025 - Maximum Dwelling Density for RR Districts.

(A) RR: One (1) unit per forty thousand (40,000) square feet except as provided pursuant to Section 20.456.015 (Accessory Uses), Section 20.460.035 (Use of a Trailer Coach) and Section 20.460.040 (Family Care Unit).

(B) RR:L-2: One (1) unit per two (2) acres except as provided pursuant to Section 20.456.015 (Accessory Uses), Section 20.460.035 (Use of a Trailer Coach) and Section 20.460.040 (Family Care Unit).

(C) RR:L-5: One (1) unit per five (5) acres except as provided pursuant to Section 20.456.015 (Accessory Uses), Section 20.460.035 (Use of a Trailer Coach) and Section 20.460.040 (Family Care Unit).

(D) RR:L-10: One (1) unit per ten (10) acres except as provided pursuant to Section 20.456.015 (Accessory Uses), Section 20.460.035 (Use of a Trailer Coach) and Section 20.460.040 (Family Care Unit).

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.030 - Minimum Front and Rear Yards for RR Districts.

(A) RR; RR:L-2: Twenty (20) feet each.

(B) RR:L-5: Thirty (30) feet each.

(C) RR:L-10: Fifty (50) feet each.

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.035 - Minimum Side Yards for RR Districts.

(A) RR; RR:L-2: Six (6) feet each.

(B) RR:L-5: Thirty (30) feet each.

(C) RR:L-10: Fifty (50) feet each.

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.040 - Setback Exception.

Any nonconforming parcel which is less than five (5) acres and which is zoned RR:L-5 or RR:L-10 shall observe a minimum front, side and rear yard of twenty (20) feet.

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.045 - Building Height Limit for RR Districts.

Twenty-eight (28) feet above natural grade for non-Highly Scenic Areas and for Highly Scenic Areas east of Highway One. Eighteen (18) feet above natural grade for Highly Scenic Areas west of Highway One unless an increase in height would not affect public views to the ocean or be out of character with surrounding structures. Thirty-five (35) feet above natural grade for uninhabited accessory structures not in an area designated as a Highly Scenic Area (See Section 20.504.015(C)(2)).

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.055 - Minimum Lot Width for RR Districts.

One hundred (100) feet.

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.060 - Maximum Lot Depth for RR Districts.

Three (3) times the lot width.

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

Sec. 20.376.065 - Maximum Lot Coverage for RR Districts.

Twenty (20) percent for parcels less than two (2) acres in size. Fifteen (15) percent for parcels from two (2) acres to five (5) acres in size. Ten (10) percent for parcels over five (5) acres in size.

(Ord. No. 3785 (part), adopted 1991)

Exceptions & meaning →

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