A. 
Purpose and Intent. The purpose of the open space (O) district is to protect important open space lands within Placer County by limiting allowable land uses to low intensity agricultural, fish and wildlife habitat, and public recreational uses, with structural development being restricted to accessory structures necessary to support the primary allowed uses, and critical public facilities.
B. 
Allowable Land Uses and Permit Requirements. The following land uses are allowed in the O zone as provided by Sections 17.06.030 et seq. (Allowable land uses and permit requirements), subject to the land use permit shown for each use, any applicable specific standards, and all other applicable provisions of this chapter.
ALLOWABLE LAND USES
LAND USE PERMIT
SPECIFIC STANDARDS IN SECTION:
Agricultural, Resource and Open Space Uses
Agricultural accessory structures
C
17.56.020
Animal raising and keeping
See Section 17.56.050
See Section 17.56.050
Crop production
A
Equestrian facilities
MUP
17.56.050
Fisheries and game preserves
A
Forestry
A
Grazing
A
17.04.030
Mining, surface and subsurface
CUP
17.56.270
Oil and gas wells
CUP
Plant production nurseries
See Section 17.56.165
See Section 17.56.165
Water extraction and storage (commercial)
CUP
Recreation, Education and Public Assembly Uses
Campgrounds
MUP
17.56.080
Camping, incidental
A
17.56.080
Parks, playgrounds, golf courses
CUP
Rural recreation
MUP
Shooting ranges, commercial
MUP
Ski lift facilities and ski runs
CUP
Sport facilities and outdoor public assembly
CUP
Temporary events
MUP
17.56.300
Service Uses
Offices, temporary
C
17.56.300
Public utility facilities
MUP
Storage, accessory
A
17.56.250
Storage of petroleum products for on-site use
MUP
17.56.250
Transportation and Communications
Airfields and landing strips
CUP
17.56.040
Antennas, communications facilities
See Section 17.56.060
See Section 17.56.060
Pipelines and transmission lines
A
KEY TO PERMIT REQUIREMENTS
Allowed use, zoning compliance required (17.06.050)
A
Zoning clearance required (17.06.050)
C
Minor use permit required (17.06.050)
MUP
Conditional use permit required (17.06.050)
CUP
Administrative review permit (17.06.050)
ARP
C. 
Minimum Parcel Size. Each parcel proposed for development or a new land use, and each new parcel proposed in a subdivision shall comply with the following provisions and Section 17.54.040 (Minimum parcel size). New parcels proposed in a subdivision shall also satisfy all applicable provisions of Chapter 16 of this code (Subdivisions).
1. 
Minimum Lot Area. Two hundred thousand square feet, unless a -B combining district (Section 17.52.040) applies to the site, or a greater area is required by the Health Department, or the provisions of Article 17.56 (Specific Use Requirements) for a particular land use.
2. 
Minimum Lot Width. Two hundred feet. Other minimum lot widths may be required by a -B combining district (Section 17.52.040) applicable to the site.
D. 
Site Development Standards. The following requirements shall apply to all new development in the O zone, except where otherwise provided by Articles 17.54 (General Development Standards) or 17.56 (Specific Use Requirements) for a particular use or situation. Proposed buildings and structures shall be designed and constructed to satisfy the following setback, site coverage, and height limit requirements:
Development Feature
Requirement
Setbacks (1) (2)
Front
50 feet minimum
Street-side
30 feet minimum
Side
30 feet minimum
Rear
30 feet minimum
Site coverage (3)
1 percent maximum
Height limit (4)
25 feet maximum
Notes:
(1)
Additional requirements for setbacks from watercourses and all roads identified in the highway deficiency report a countywide capital improvement program, setbacks between structures on the same site, and setbacks in other situations are established by Section 17.54.140 (Exceptions to front, street-side, side and rear setbacks) and by Article 17.56 for certain specific land uses.
(2)
As required by the California Board of Forestry Fire Safe regulations, Section 1276.01, Title 14, California Code of Regulations, if lot is one acre or larger in size.
(3)
The percentage of total site area that may be covered by buildings or structures.
(4)
Except as otherwise provided by Section 10.020 (Height limits and exceptions), or by Article 17.56 for a specific use.
(Ord. 5126-B, 2001; Ord. 5304-B Exh. 1, 2004; Ord. 5459-B Exh. A, 2007; Ord. 6041-B § 6, 2020; Ord. 6048-B § 8, 2020)