Mono County — Land Use

Last reviewed: July 3, 2026

Overview

This page summarizes what the Mono County Land Development Regulations and the Land Use Element (General Plan) say about permitted and conditional land uses in the unincorporated areas of Mono County. It focuses on the county's land use designations (e.g., AG, RR, C, IP, I, RU, RM, ER, MFR- variants, CL-M/CL-H) and the decision‑relevant standards that implement them (minimum parcel sizes, setbacks, coverage, and where use permits or director review are required). All quoted standards below are drawn from the County materials that apply to unincorporated Mono County; where a specific numeric section could not be found in the retrieved materials I note that as an information gap. The County applies permissive zoning and the Land Development Regulations to unincorporated lands per § 01.030.

Note: this page treats these rules as applying only to Mono County’s unincorporated areas (incorporated towns have their own codes) — verify parcel‑specific rules with the County. § 01.030.

How to read this page

• Bolded terms highlight district names and numerical standards (e.g., Front: 50').
• The first natural mention of related topics are linked to Mono County reference pages (parking, design review, overlays, ADUs, etc.) so you can jump to additional implementation pages.
• Each substantive rule or requirement below is tied to the County materials; citations include the ordinance/element section or table when available and the file search citation marker from the retrieved materials.

Countywide procedural rules (basic grounding)

• The regulations apply to unincorporated Mono County: § 01.030.
• Mono County uses permissive zoning: a use is allowed only if listed as permitted; ambiguous or unlisted uses are resolved by the Planning Commission (interpretation of "similar uses") — § 01.040.
• The Director may grant limited minor variances up to 10% on standards in specified circumstances — § 01.041.

(References below to "Director Review" and "Use Permit" follow the processing pathways shown in the Land Development Regulations: Director Review (Ch. 31) and Use Permit (Ch. 32) as cited in the Land Use Element.)

District-by-district (selected land use designations)

Each subsection below states the district intent, the typical permitted uses, uses requiring director review or use permit, and the most decision‑relevant dimensional/development standards shown in the Land Use Element. The Land Use maps (which show where each designation applies) are referenced in § 01.060.

Agriculture (AG)

• Purpose: preserve & encourage agricultural activity.
• Typical permitted uses: agricultural uses associated with bona fide operations, single‑family dwelling, manufactured home as a dwelling, accessory buildings, farm labor housing, small farm stands, noncommercial composting. Source: Land Use Element.
• Uses subject to use permit: larger/objectionable ag uses (e.g., slaughterhouses, animal hospitals, guest ranches, mineral exploration, limited lodging) — see Land Use Element list.
• Key standards: Minimum parcel size: commonly 2.5 acres in many areas but varies by subarea (Ten‑acre minimum in Antelope Valley; other area policies apply), Minimum setbacks: Front 50' / Rear 50' / Side 50'. See development standards referenced in the Land Use Element.

Estate Residential (ER)

• Purpose: large‑lot single family in areas adjacent to communities.
• Permitted uses: single‑family, small‑scale agriculture, accessory buildings, ADU (see Ch. 16) and home occupations.
• Use permit items: kennels, mobile‑home parks, short‑term rentals (subject to Chapter 25), etc.
• Key standards: Minimum parcel size: 1 acre, Max lot coverage: 40%, Setbacks: Front 50' / Rear 30' / Side 30', Max height: 35'.

Rural Residential (RR)

• Purpose: larger‑lot single family in rural areas permitting ancillary rural uses.
• Permitted uses: single‑family, small‑scale agriculture, accessory buildings, manufactured homes, ADU, home occupations, and limited cannabis personal cultivation (state limits).
• Use permit items: recreational amenities, kennels, mobile‑home parks, short‑term rentals (subject to Chapter 25), etc.
• Key standards: Minimum parcel size: 1 acre, Max lot coverage: 40%, Setbacks: Front 50' / Rear 30' / Side 30', Max height: 35'.

Rural Mobile Home (RMH)

• Purpose: mixed uses including mobile homes and small‑scale ag in rural areas.
• Permitted uses: single‑family, manufactured/mobile home as single family, accessory, ADU, small‑scale agriculture.
• Use permit items: kennels, mobile‑home parks, short‑term rentals (Ch.25), manufactured housing subdivisions.
• Key standards: Minimum parcel size: 1 acre, Max lot coverage: 40%, Setbacks: Front 20' / Rear 10' / Side 10' for someRMH areas (see designation text for exact values).

Rural Resort (RU)

• Purpose: outdoor recreation facilities and limited visitor‑oriented services, protect rural character.
• Permitted uses: single‑family dwellings, accessory uses, manufactured homes (limited), small‑scale agriculture, home occupations, ADUs, transitional/supportive housing, limited personal cannabis cultivation (6 mature/12 immature).
• Use permit items: RV parks, campgrounds, nightly lodging such as hotels & lodges and other visitor accommodations when larger or multiple structures are proposed.
• Key standards: Minimum lot area: 10,000 sf for all uses, Areas lacking community water/sewer: 1 acre minimum, Max coverage: 60% (70% bonus for qualifying mixed uses), Setbacks: Front 10' / Rear 5' / Side 10', Max height: 35'.

Commercial (C)

• Purpose: retail, business and professional services serving residents and visitors.
• Permitted uses (typically in existing conforming structures): broad retail and professional services (food stores, banks, clinics, personal services, cultural/religious uses). New exterior alterations may require Director Review.
• Use permit items: conversion to residential/multifamily, lodging (hotels/motels), short‑term rentals (Ch.25) for some projects.
• Key standards: Minimum lot area: 10,000 sf, Min district area: 2 acres, Max lot coverage: 60% (70% for non‑residential uses), Setbacks: Front 10' / Rear 5' / Side 0', Max height: 35'.

Service Commercial (SC)

• Purpose: wholesale, retail and service uses not compatible with other commercial districts (light manufacturing, outdoor storage).
• Permitted uses: many uses allowed within existing conforming structures; examples include cottage industry, repair, construction services, limited warehousing.
• Use permit items: new construction, uses requiring outdoor storage, commercial cannabis (where explicitly allowed under Chapter 13 and county code).
• Key standards: Minimum lot area: 10,000 sf, Min district area: 3 acres, other dimensional standards follow the Land Use Element development standards.

Industrial Park (IP)

• Purpose: light‑to‑moderate industrial uses that limit nuisances.
• Permitted uses: a long list of light‑industrial, offices, labs, wholesale, storage, and accessory uses; caretaker unit allowed.
• Director Review: many permitted uses can be reviewed by the Director.
• Use permit items: industrial condominiums, waste transfer, tank farms, freight terminals, and many commercial cannabis activities (if authorized in the designation).
• Key standards: Minimum lot area: 10,000 sf, Max lot coverage: 80%, Setbacks vary (Front 20' / Rear 5' / Side 0' for DR uses; Front 20' / Rear 10' / Side 10' for UP uses) and Max height: 40'.

Industrial (I)

• Purpose: heavy industrial uses that may produce higher levels of nuisance or hazard; sited away from residential/commercial centers.
• Permitted uses: many uses permitted in IP plus heavy‑vehicle storage/maintenance, heavy manufacturing, etc. Residential uses generally not permitted except caretaker units.
• Use permit items: most heavy industrial operations, mining‑scale uses, and other high‑impact activities.
• Key standards: Minimum lot area: 10,000 sf, Min district area: 30 acres (exceptions possible), Max coverage: 80%, Max height: 40' (Director may approve greater).

Multi‑Family Residential (MFR‑L / MFR‑M / MFR‑H)

• Purpose: allow duplexes, triplexes (MFR‑L), and progressively higher density multifamily (MFR‑M, MFR‑H).
• Permitted uses: single‑family, duplexes/triplexes, accessory buildings, ADUs, small‑scale agriculture in some designations, transitional/supportive housing allowed the same as other residential housing.
• Use permit items: projects over thresholds (e.g., 4+ units), lodging in MFR‑H, density and mixed‑use projects may require UPs.
• Key standards: density figures vary by designation (e.g., 15 du/acre for multifamily; lodging up to 40 units/acre), max heights commonly 35', and landscaping/use permit landscaping rules for UP projects.

Quick Reference Table — most decision‑relevant items

(Always confirm the exact numeric standard for a specific parcel — some area plans or maps modify minimum parcel sizes and setbacks; see § 01.060 and the area plan policies.)

Practical guidance & interpretation (plain-English synthesis)

• If a use is not listed for your parcel’s land use designation, it is presumed prohibited unless the Planning Commission interprets it as a similar use — permissive zoning (resolve ambiguity via the Commission) § 01.040.
• Many commercial and lodging uses are allowed in principle but cross size/scale thresholds that trigger Director Review (Ch. 31) or Use Permit (Ch. 32) — verify whether your project is “minor” (Director) or requires a UP/Commission hearing. See the district lists for examples.
• For most residential changes (including Accessory Dwelling Units) follow the County ADU and development standards (see Ch. 16 and Mono County development standards). ADUs are explicitly allowed in most residential and some rural designations; see the ADU rules and Chapter 16.
• Off‑street parking and parking counts are handled under the County’s parking standards; always check the parking rules and Table/Chapter references cited by the district.

Inline links: the first natural mention of related topics above link to Mono County pages on parking, design review, overlay districts, California ADU law (ADUs), Mono County Development Standards, Mono County Signage, Mono County Nonconforming Uses, and Mono County Variances and Exceptions.

Checklist (what an applicant must satisfy for a typical non‑exempt project in unincorporated Mono County)

• Confirm the parcel’s Land Use Designation on the Mono County land use maps (authority and maps: § 01.060).
• Confirm the proposed use is listed as permitted in that designation or whether Director Review (Ch. 31) or a Use Permit (Ch. 32) is required; consult the district entry in the Land Use Element.
• Meet minimum lot area, setbacks and coverage shown for the designation (see district text and § 04.120 for yard rules; Table 04.010 for heights).
• Comply with the County’s parking standards (Ch. 06) for off‑street parking.
• For ADUs, follow County (Chapter 16) and state ADU law requirements — see California ADU law and Ch. 16.
• If septic or private water is proposed, confirm Lahontan Regional Water Quality Control Board and County Environmental Health minimums (noted throughout development standards).
• Check overlay district constraints (e.g., scenic area guidelines, historic preservation) and any area‑plan policies: overlay districts and Mono County Historic Preservation.
• Determine if the project triggers CEQA — large projects, resource extraction, or those in sensitive areas typically require environmental review. Verify with the County.

Risks & Ambiguities

Plain‑English Summary

Mono County’s Land Development Regulations apply only to the county’s unincorporated areas and list permitted uses by land‑use designation — if your use is not listed, it’s usually not allowed unless the Planning Commission finds it “similar.” Dimensional rules (minimum parcel size, setbacks, coverage, height) and thresholds for Director Review or Use Permits vary by designation (AG, ER, RR, RU, C, SC, IP, I, MFR‑types). Always check the parcel’s Land Use map, the district text in the Land Use Element, the County’s development standards (e.g., setbacks and parking), and area‑plan policies before you design a project. § 01.030; § 01.040; Ch. 16; Ch. 31/32.

Source References

• Mono County Land Use Element and Land Development Regulations (application to unincorporated areas) — § 01.030.
• Permissive zoning / interpretation of uses — § 01.040.
• Minor Variance (Director) — § 01.041.
• Land Use Designation maps and split/parcels guidance — § 01.060 (Land Use maps referenced).
• Rural Resort (RU) district text and standards — Land Use Element (RU) (development standards and permitted uses).
• Commercial (C) and Service Commercial (SC) district texts and standards — Land Use Element (C/SC).
• Industrial Park (IP) and Industrial (I) district texts and standards.
• Agriculture (AG) district text and standards.
• Estate Residential (ER), Rural Residential (RR), Rural Mobile Home (RMH) district texts.
• ADU references in the Land Use Element and Development Standards (Chapter 16).
• Parking and development standards cross‑references (Ch. 04, Ch. 06, Table 04.010, Table 04.120) — used throughout the district standards.

Information Gaps

• Most district descriptions in the Land Use Element are narrative and do not show a single codified section number per district in the retrieved materials. Specific numerical references for each district often appear as narrative pages rather than discrete Mono County Code § numbers in the retrieved files. For precise parcel‑level legal citations you should request the County’s codified Land Development Regulations or speak to Planning staff. (Not found in retrieved materials for discrete § numbers for each district page.)
• Some processing details (exact Director Review submittal checklist, hearing timelines) are handled in processing chapters (Ch. 31, Ch. 32) and full procedural text was not extracted into the retrieved snippets. Verify current permit application forms and process details with the County. Not found in retrieved materials (detailed hearing timelines).

Retrieved passages

• Mono County Zoning Code (Section 04.280.) High relevance show source text
• Mono County Zoning Code (Chapter 13) High relevance show source text
• Mono County Zoning Code (Chapter 04) High relevance show source text
• Mono County Zoning Code (Chapter 19) High relevance show source text
• Mono County Zoning Code (Chapter 13) High relevance show source text
• Mono County Zoning Code (Chapter 19) High relevance show source text
• Mono County Zoning Code (Section 04.270) High relevance show source text
• Mono County Zoning Code (Section 04.270) High relevance show source text

Cited sections

• Mono County Land Use Element and Land Development Regulations (application to unincorporated areas) — **§ 01.030**. (§ 01.030)
• Permissive zoning / interpretation of uses — **§ 01.040**. (§ 01.040)
• Minor Variance (Director) — **§ 01.041**. (§ 01.041)
• Land Use Designation maps and split/parcels guidance — **§ 01.060** (Land Use maps referenced). (§ 01.060)
• **Rural Resort (RU)** district text and standards — Land Use Element (RU) (development standards and permitted uses).
• **Commercial (C)** and **Service Commercial (SC)** district texts and standards — Land Use Element (C/SC).
• **Industrial Park (IP)** and **Industrial (I)** district texts and standards.
• **Agriculture (AG)** district text and standards.
• **Estate Residential (ER)**, **Rural Residential (RR)**, **Rural Mobile Home (RMH)** district texts.
• ADU references in the Land Use Element and Development Standards (Chapter 16). (Chapter 16)
• Parking and development standards cross‑references (Ch. 04, Ch. 06, Table 04.010, Table 04.120) — used throughout the district standards.
• MonoCounty_ZoningCode.md

• Official Mono County code library