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Title 19 — Development Code

§ 19.20

Twentynine Palms Zoning Code · 2026-06 edition · updated 2026-07-25 · Twentynine Palms

19.20.010 - Purpose

The purpose of this Chapter is to describe the character and intent of the Open Space Residential Land Use District, identify allowed uses and establish development standards for the district.

(Ord. No. 310, § 4(Exh. A), 9-26-2023)

19.20.020 - Description and Intent of Land Uses

This district is intended for properties which have limited development and limited development potential. Open Space Residential-designated lands include publicly owned lands, BLM land, mountainous territory with scenic value, or other prominent land forms. The intent of this designation is to allow development of single-family dwellings, with minimal disruption of the land. Public uses are to be focused on the natural

qualities of the area, keeping as much open space as reasonably possible. The Open Space Residential Land Use District includes the following categories:

A.

OSR, which allows a maximum of 1 dwelling unit per 10 acres.

B.

OSR-40, which allows a maximum of 1 dwelling unit per 40 acres.

(Ord. No. 310, § 4(Exh. A), 9-26-2023)

19.20.030 - Allowed Uses and Permit Requirements

Allowed uses and permit requirements for the Open Space Residential Land Use District are listed in Table 19.20.030-1 (Allowed Land Uses and Permit Requirements). The table lists all use-related permits for primary and accessory uses that are permanent in nature. Additional permit requirements are listed in Chapters 19.28 through 19.64 related to permits and procedures. Allowed temporary uses are listed in Chapter 19.34 (Temporary Use Permit and Standards). Allowed accessory uses are listed in Chapter 19.70 (Accessory Uses and Structures).

Table 19.20.030-1

Allowed Land Uses and Permit Requirements

Allowed Use OSR OSR-40 Additional Requirements
RESIDENTIAL USES AND CARE FACILITIES
Single-family dwelling P P Chapter 19.69
(Residential
Development Standards
and Design Criteria)
Small family day care (8
or fewer children)
P P Chapter 19.114
(Community Care
Facilities)
Large family day care (9
to 14 children)
AUP AUP Chapter 19.114
(Community Care
Facilities)
Residential or
community care facilities
serving 6 or fewer
persons
P P
Congregate care
facilities serving 6 or
fewer persons
P P
Supportive and
transitional housing
P P
Caretaker housing AUP AUP
Accessory dwelling unit P P Chapter 19.134
(Accessory Dwelling
Units)
Windmills and solar
energy collectors,
noncommercial
P P Chapter 19.68 (General
Development Standards
and Exceptions)
AGRICULTURAL AND RELATED USES
Row, feld and tree
crops for property user
consumption only1
P P
Row, feld and tree
crops for commercial
purposes1
CUP CUP
Cultivation of
ornamental or
landscaping plants,
including greenhouses,
for commercial
purposes
CUP CUP
Produce stands for
products grown on the
same property
SPR SPR
Retail nurseries CUP CUP
INSTITUTIONAL USES
Cemeteries2 CUP CUP
Organizational /Group
camps2
CUP CUP
Governmental facilities2 CUP CUP
Public safety uses and
facilities2
CUP CUP
TRANSIENT LODGING FACILITIES
Campgrounds and
recreational vehicle
parks
CUP CUP Chapter 19.124 (Mobile
Home and Special
Occupancy Parks)
Vacation Home Rental VHR VHR Chapter 19.41 (Vacation
Home Rental)
COMMUNICATION FACILITIES, TRANSPORTATION FACILITIES, AND UTILITIES
Communication facilities CUP CUP Chapter 19.140
(Telecommunication
Facilities)
Utility and service uses
and structures
P P
MINERAL EXTRACTION
Mining3 CUP CUP See
Chapter 19.58
(Surface Mining and
Land Reclamation
Permits)
TEMPORARY AND INTERIM USES (See
Chapter 19.34,Temporary Use Permit and Standards)
ACCESSORY USES (See
Chapter 19.70,Accessory Uses and Structures)
  • = Prohibited Use

P = Permitted

AUP = Administrative Use Permit

CUP = Conditional Use Permit

Notes:[1] For those uses which do not require large amounts of water, to be determined in consultation with the water district.

2All institutional uses shall be located within 1,000 feet of an expressway, arterial street or collector street, and have an adequate, improved private drive.

3Limited to resources found in the district, only with the strictest controls that minimize land disruption.

(Ord. No. 310, § 4(Exh. A), 9-26-2023)

19.20.040 - Development Standards

All new land uses and structures or alterations to existing land uses and/or structures in the Open Space Residential Land Use District shall be designed, constructed and established in compliance with the development standards in Table 19.20.040-1 (Development Standards).

Table 19.20.040-1

Development Standards

Standard OSR OSR-40 Additional Requirements
ALLOWED DENSITY (Dwelling Units per Gross Acre)
Minimum 0 0
Maximum1 0.1 0.025
LOT SIZE AND DIMENSIONS
Minimum Lot Size 10 acres 40 acres
Minimum Lot Width 300 ft. 300 ft.
Minimum Lot Depth 300 ft. 300 ft.
Minimum Width to
Depth Ratio
1:4 1:4
MINIMUM SETBACKS (Feet)
Front, First Story and
Above
32 32 Chapter 19.68 (General
Development Standards
and Exceptions)
Side, First Story 15 15 Chapter 19.68 (General
Development Standards
and Exceptions)
Side, Second Story and
Above
20 20 Chapter 19.68 (General
Development Standards
and Exceptions)
Street Side, First Story
and Above
25 25 Chapter 19.68 (General
Development Standards
and Exceptions)
Rear, First Story and
Above
25 25 Chapter 19.68 (General
Development Standards
and Exceptions)
Distance Between
Buildings
N/A N/A
LOT COVERAGE
Maximum 20 20
BUILDING HEIGHT (Feet)
Maximum 35 35 Chapter 19.68 (General
Development Standards
and Exceptions)
UNIT SIZE (Square Feet)
Minimum N/A N/A Residential units must
be a minimum of 400
square feet

1Shall only apply to the new subdivision of property.

(Ord. No. 310, § 4(Exh. A), 9-26-2023)

Chapter 19.22 - Public Land Use Districts (P and F)[[8]]

Footnotes:

--- ( 8 ) ---

Editor's note— Ord. No. 310, § 4(Exh. A), adopted Sept. 26, 2023, repealed the former Ch. 19.22, §§ 19.22.010—19.22.040, and enacted a new Ch. 19.22 as set out herein. The former Ch. 19.22 pertained to similar subject matter and derived from original codification.

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