Chapter 16.28 — SEPARATE VALUATION OF PARCELS
Tuolumne County Municipal Code Art. 2 Chapter 17.10
Tuolumne County Municipal Code · 2026-09 edition · updated 2026-10-02 · Tuolumne County
Cite as: Tuolumne County Municipal Code Article 2 · Text as of 2026-10-02
AGRICULTURE AND OPEN SPACE ZONING DISTRICTS Sections:
- 17.10.010 Purpose.
- 17.10.020 Exclusive Agricultural District, One Hundred Sixty Acre Minimum or (AE-160)
- District.
- 17.10.030 Exclusive Agricultural District, Eighty Acre Minimum or (AE-80) District.
- 17.10.040 Exclusive Agricultural District, Thirty-Seven Acre Minimum or (AE-37) District.
- 17.10.050 General Agricultural District, Twenty Acre Minimum, or (A-20) District.
- 17.10.060 General Agricultural District, Ten Acre Minimum, or (A-10) District.
- 17.10.070 Open Space District, or (O) District.
- 17.10.080 Open Space 1 District, or (O-1) District.
- 17.10.090 General Recreational District, or (K) District.
17.10.010 Purpose. This Chapter lists the¶
agriculture and open space zoning districts
and establishes regulations for permitted
land uses, conditional uses, minimum parcel
size, building intensity, and residential
density.
A. Purposes of Agriculture and Open
Space Zoning Districts:
1.
Exclusive Agricultural District,
160 Acre Minimum or (AE-
160) District. The purpose of
the Exclusive Agricultural, 160
acre minimum (AE-160)
District is to provide for
agricultural and resource
production where commercial
agricultural uses can exist
without encroachment of
incompatible uses and
provide for the preservation
and conservation of working
landscapes and open space.
2.
Exclusive Agricultural District,
80 Acre Minimum or (AE-80)
District. The purpose of the
Exclusive Agricultural, 80 acre
minimum (AE-80) District is to
provide for agricultural and
resource production where
commercial agricultural uses
can exist without
encroachment of
incompatible uses and
provide for the preservation
and conservation of working
landscapes and open space.
3.
Exclusive Agricultural District,
37 Acre Minimum or (AE-37)
District. The purpose of the
Exclusive Agricultural, 37 acre
minimum (AE-37) District is to
provide for agricultural and
resource production where
commercial agricultural uses
can exist without
encroachment of
incompatible uses and
provide for the preservation
and conservation of working
landscapes and open space.
4.
General Agricultural District,
20 Acre Minimum, or (A-20)
District. The purpose of the
General Agricultural, 20 acre
minimum (A-20) District is to
provide for country-estate
living while maintaining large
areas for the commercial
production of food and fiber
where such agricultural uses
can exist without the
encroachment of
incompatible land uses.
5.
General Agricultural District,
10 Acre Minimum, or (A-10)
District. The purpose of the
General Agricultural, 10 acre minimum (A-10) District is to provide for country-estate living on parcels less than 20 acres in area while maintaining areas for the commercial production of food and fiber where such agricultural uses can exist without the encroachment of incompatible land uses. 6. Open Space District, or (O) District. The intent of the (O) District is to protect the public in areas not suitable for development because of flooding or other natural hazards and to provide areas of open space for the protection of wildlife habitat and scenic quality (including where vegetation removal may be appropriate in certain instances) or for the preservation of cultural resources. 7. Open Space 1 District, or (O-1) District. The intent of the (O-1) District is to preserve and protect areas of valuable wildlife habitat consistent with the wildlife policies of the General Plan or areas with significant cultural resources. 8. General Recreational District, or (K) District. The purpose of the general recreational (K) District is to provide for the development of indoor and outdoor sports, recreation facilities and commercial places of amusement.
17.10.020 Exclusive Agricultural District, One¶
Hundred Sixty Acre Minimum or (AE-160)
District
A. Allowed Uses. Table 17.10.1 lists uses
allowed and the level of review required
within the Exclusive Agricultural, 160 acre
minimum (AE-160) District.
B. Minimum Parcel Size. Within any
Exclusive Agricultural, 160 acre minimum
(AE-160) District, no parcel of real property
shall be divided or reconfigured where any
parcel so created will be less than 160 gross
acres in area or will have an area to
perimeter ratio of less than 210, as calculated
or confirmed by the County Surveyor. An
existing parcel that does not meet the
minimum parcel or area to perimeter ratio
regulations may be reconfigured to a
resulting parcel that does not meet the
minimum parcel size or area to perimeter
ratio provided the reconfiguration does not
result in a decrease in the size of the existing
parcel and in the area to perimeter ratio of
the existing parcel. Parcels resulting from a
merger shall be exempt from the minimum
parcel size and the area to perimeter ratio
requirements.
C. Agricultural Laborer Housing.
Notwithstanding Section 17.10.020(C), a
parcel of real property within an agricultural
preserve may be divided to create a parcel of
less than or equal to five acres for sale or
lease for agricultural laborer housing as
provided in Section 51230.2 of the California
Government Code.
D. Building Intensity. Within any
Exclusive Agricultural, 160 acre minimum
(AE-160) District, the maximum building
intensity shall be two dwellings per 160
acres. The maximum ratio of the coverage of
all buildings on a parcel, referred to as the
floor area ratio (FAR), shall be 0.1. Additional
units/building coverage are possible for
agricultural laborer housing in accordance
with state law or through a density bonus for
the provision of affordable housing in
accordance with the California Government
Code.
17.10.030 Exclusive Agricultural District,¶
Eighty Acre Minimum or (AE-80) District.
A. Allowed Uses. Table 17.10.1 lists uses
allowed and the level of review required
within the Exclusive Agricultural, 80 acre
minimum (AE-80) District.
B. Minimum parcel size. Within any
Exclusive Agricultural, 80 acre minimum (AE-
80) District, no parcel of real property shall be
divided or reconfigured where any parcel so
created will be less than 80 gross acres in
area or will have an area to perimeter ratio of
less than 210, as calculated or confirmed by
the County Surveyor. An existing parcel that
does not meet the minimum parcel or area to
perimeter ratio regulations may be
reconfigured to a resulting parcel that does
not meet the minimum parcel size or area to
perimeter ratio provided the reconfiguration
does not result in a decrease in the size of the
existing parcel and in the area to perimeter
ratio of the existing parcel. Parcels resulting
from a merger shall be exempt from the
minimum parcel size and the area to
perimeter ratio requirements.
C. Agricultural laborer housing.
Notwithstanding Section 17.10.030(C), a
parcel of real property within an agricultural
preserve may be divided to create a parcel of
less than or equal to five acres for sale or
lease for agricultural laborer housing as
provided in Section 51230.2 of the California
Government Code.
D. Building intensity. Within any
Exclusive Agricultural, 80 acre minimum (AE-
80) District, the maximum building intensity
shall be two dwellings per 80 acres. The
maximum ratio of the coverage of all
buildings on a parcel, referred to as the FAR,
shall be 0.1. Additional units/building
coverage are possible for agricultural laborer
housing in accordance with state law or
through a density bonus for the provision of
affordable housing in accordance with the
California Government Code.
17.10.040 Exclusive Agricultural District,¶
Thirty-Seven Acre Minimum or (AE-37)
District.
A. Allowed uses. Table 17.10.1 lists uses
allowed and the level of review required
within the Exclusive Agricultural, 37 acre
minimum (AE-37) District.
B. Minimum parcel size. Within any
Exclusive Agricultural, 37 acre minimum
(AE-37) District, no parcel of real property
shall be divided or reconfigured where any
parcel so created will be less than 37 gross
acres in area or will have an area to
perimeter ratio of less than 210, as calculated
or confirmed by the County Surveyor. An
existing parcel that does not meet the
minimum parcel or area to perimeter ratio
regulations may be reconfigured to a
resulting parcel that does not meet the
minimum parcel size or area to perimeter
ratio provided the reconfiguration does not
result in a decrease in the size of the existing
parcel and in the area to perimeter ratio of
the existing parcel. Parcels resulting from a
merger shall be exempt from the minimum
parcel size and the area to perimeter ratio
requirements.
C. Agricultural laborer housing.
Notwithstanding Section 17.10.030(C), a
parcel of real property within an agricultural
preserve may be divided to create a parcel of
less than or equal to five acres for sale or
lease for agricultural laborer housing as
provided in Section 51230.2 of the California
Government Code.
D. Building intensity. Within any
Exclusive Agricultural, 37 acre minimum (AE-
37) District, the maximum building intensity
shall be two dwellings per 37 acres. The
maximum ratio of the coverage of all
buildings on a parcel, referred to as the FAR,
shall be 0.1. Additional units/building
coverage are possible for agricultural laborer
housing in accordance with state law or
through a density bonus for the provision of
affordable housing in accordance with the
California Government Code.
17.10.050 General Agricultural District,¶
Twenty Acre Minimum, or (A-20) District. A. Allowed uses. Table 17.10.1 lists uses allowed and the level of review required within the General Agricultural, twenty acre minimum (A-20) District. B. Minimum parcel size. Within any General Agricultural, twenty acre minimum (A-20) District, no parcel of real property shall be divided or reconfigured where any parcel so created will be less than 20 gross acres in area or have an average width of less than 500 feet. An existing parcel that does not meet the minimum parcel size or average width regulations may be reconfigured to a resulting parcel that does not meet the minimum parcel size and average width requirements provided the reconfiguration does not result in a decrease in the size of the existing parcel and in the average width of the existing parcel. Parcels resulting from a
merger shall be exempt from the minimum
parcel size and average width requirements.
C. Building intensity. Within any General
Agricultural, twenty acre minimum (A-20)
District, the maximum building intensity shall
be one dwelling per 10 acres. The maximum
ratio of the coverage of all buildings on a
parcel, referred to as the FAR, shall be 0.2.
Additional units/building coverage are
possible for agricultural laborer housing in
accordance with state law or through a
density bonus for the provision of affordable
housing in accordance with the California
Government Code.
17.10.060 General Agricultural District, Ten¶
Acre Minimum, or (A-10) District.
A. Allowed uses. Table 17.10.1 lists uses
allowed and the level of review required
within the General Agricultural, ten acre
minimum (A-10) District.
B. Minimum parcel size. Within any
General Agricultural, ten acre minimum (A-
10) District, no parcel of real property shall be
divided or reconfigured where any parcel so
created will be less than ten gross acres in
area. An existing parcel that does not meet
the minimum parcel size regulation may be
reconfigured to a resulting parcel that does
not meet the minimum parcel size provided
the reconfiguration does not result in a
decrease in the size of the existing parcel.
Parcels resulting from a merger shall be
exempt from the minimum parcel size
requirement.
C. Building Intensity. Within any General
Agricultural, ten acre minimum (A-10)
District, the maximum residential building
intensity shall be one dwelling per 10 acres.
The maximum ratio of the coverage of all
buildings on a parcel, referred to as the FAR,
shall be 0.2. Additional units/building
coverage are possible for agricultural laborer
housing in accordance with state law or
through a density bonus for the provision of
affordable housing in accordance with the
California Government Code.
17.10.070 Open Space District, or (O)¶
District.
A. Allowed uses. Table 17.10.1 lists uses
allowed and the level of review required
within the O District.
B. Minimum parcel size. None.
C. Building intensity. Due to the
limitations on structures allowed, building
intensity standards are not applicable to this
zoning district.
D. Differentiation of open or green space.
References in this Title to green or open
space areas shall not be interpreted as area
designated as Open Space zoning. Only area
zoned Open Space is subject to the allowed
uses in Table 17.10.1.
17.10.080 Open Space 1 District, or (O-1)¶
District.
A. Allowed uses. Table 17.10.1 lists uses
allowed and the level of review required
within the O-1 District are as follows.
B. Minimum parcel size. None.
C. Building intensity. Due to the
limitations on structures allowed, building
intensity standards are not applicable to this
zoning district.
D. Differentiation of open or green space.
References in this Title to green or open
space areas shall not be interpreted as area
designated as Open Space zoning. Only area
zoned Open Space is subject to the allowed
uses in Table 17.10.1.
17.10.090 General Recreational District, or¶
(K) District. A. Allowed uses. Table 17.10.1 lists uses allowed and the level of review required within the general recreational (K) District. B. Minimum parcel size. Within any general recreational (K) District, no parcel of real property shall be divided or reconfigured where any parcel so created will be less than 5,000 square feet (net acreage) in area. An existing parcel that does not meet the minimum size regulation may be reconfigured to a resulting parcel that does not meet the minimum parcel size provided the reconfiguration does not result in a decrease in the size of the existing parcel. Parcels resulting from a merger shall be
exempt from the minimum parcel size
requirement.
C. Building intensity. Within any general
recreational (K) District, the maximum
residential building intensity shall be one
dwelling per 5,000 square feet. The
maximum ratio of the coverage of all
buildings on a parcel, referred to as the FAR,
shall be 0.5. Additional units/building
coverage are possible through a density
bonus for the provision of affordable housing
in accordance with the California
Government Code.
TABLE 17.10.1 ALLOWED LAND USES AND PERMIT REQUIREMENTS
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
Residential Uses
One single-family dwelling
per parcel
P
P
P
P
P
P1
One additional single-family
dwelling
P2
P3
P4
P5
P6
A second additional single- family dwelling, one unit per 10 acres maximum density
C C
Accessory dwelling unit P P P P P
P Ch. 17.36 Junior accessory dwelling unit P P P P P
P Ch. 17.36 One guesthouse per parcel P P P
Agricultural laborer housing P P P P P
P
Employee housing for six persons or less P P P P P
P
Residential care homes of any size regardless of state licensing P7 P7 P7 P7 P7
P7
Day care centers for not more than eight nonemployee occupants P7 P7 P7 P7 P7
P7
Transitional housing and supportive housing within a permitted single-family dwelling P P P P P
P
Small or large family day care home within a P P P P P
P
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
permitted or
conditional use single-
family dwelling,
subject to the
requirements of
Chapter 17.54
Day care centers other than
family day care homes;
C
C
C
C
C
C
Additional single-family dwellings, 160 acres per unit maximum density C
Additional single-family dwellings, 80 acres per unit maximum density
C
Additional single-family dwellings, 37 acres per unit maximum density
C
Mobile home on permanent foundation P P P P P
P
Agricultural and Resources Uses
General farming and
ranching
P8
P8
P8
P
P
C
General farming and ranching with no buildings
C9
P
Nurseries and greenhouses for domestic use P P P P P
P
Agricultural processing facilities and activities P10,11 P10, 11 P10, 11 P10,12 P10,13
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
related to the
agricultural product
grown on the parcel
Agricultural marketing
facilities or activities
P
P
P
P
P
Agricultural by-product processing facilities accessory to the agricultural operation on the parcel, including commercial composting facilities P P P P P
Agricultural by-product processing facilities not accessory to the agricultural operation on the parcel, including commercial composting facilities C C C C C
U-pick operations P P P P P
Growing and harvesting timber products P P P P P C9
Sawmills for processing timber grown primarily on the same parcel where the sawmill is located and other parcels under the same ownership P P P
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
Sawmills for processing
timber grown only on
the same parcel where
the sawmill is located
P
Sawmills for processing timber other than that grown primarily on the same parcel where the sawmill is located and other parcels under the same ownership C C C
Sawmills for processing timber not grown on the same parcel where the sawmill is located
C
Sawmills
C
Commercial stables, up to 20 stalls, and riding clubs including, but not limited to, accessory shows and clinics P P P P14 P14
P
Commercial stables with more than 20 stalls and riding clubs including, but not limited to, accessory shows and clinics C C C C C
P
Open space, including uses and land management activities authorized or required by a wildlife habitat management P P P
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
plan, submerged area
plan, recreation master
plan, scenic corridor
management plan, or
other plan for open
space use approved by
the Board of
Supervisors for land
within an agricultural
preserve in accordance
with Tuolumne County
Resolution 106-04, that
are not listed as
conditional uses
Agricultural support
services
C
C
C
Livestock feed yards, stockyards, auction yards, animal processing facilities, or rendering plants C C C C C
Agricultural hospitality facilities C C C
Nonriparian vegetation removal in accordance with Section 4290 of the California Public Resource Code23
P P
Riparian vegetation removal in accordance with Section 4290 of the California Public
P15 C
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
Resources Code,
subject to approval of
the Director23
Removal of vegetation by
hand only when
necessary for reasons
of health or safety to
protect persons
residing on or utilizing
the parcel, subject to
approval of the
Director23
P P
Planting vegetation to implement a revegetation or habitat enhancement plan permitted in conjunction with another entitlement for which an environmental review under the California Quality Act (CEQA) has been approved or as otherwise approved by the director
P P
Use and land management activities authorized or required by a wildlife habitat area management plan, submerged area plan,
P P
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
scenic corridor
management plan, or
other plan for open
space use approved by
the Board of
Supervisors for land
within an agricultural
preserve in accordance
with Tuolumne County
Resolution 106-04, that
are not listed as
conditional uses.
Vegetation removal not
related to Section 4290
of the California Public
Resource Code23
C9 C16
Christmas tree farms
C9
P
Educational workshops, craft demonstrations, or demonstration gardens accessory to the primary agricultural use of the parcel P P P P P
Educational workshops, craft demonstrations and demonstration gardens not accessory to the primary agricultural use of the parcel C C C C C
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
Commercial events on
agricultural land
subject to the
requirements of
Chapter 17.48
P
P
P
P
C
Commercial events on agricultural land not in compliance with the requirements of Chapter 17.48 C C C C C
Seasonal activities including, but not limited to, crop mazes, pumpkin patches and berry harvests accessory to the primary agricultural use of the parcel P P P P P
Ch. 17.92 Petting zoo accessory to the primary agricultural use of the parcel
P P P P P
Roadside stand up to one thousand five hundred (1,500) square feet in area P P P P P
Roadside stand exceeding one thousand five hundred (1,500) square feet in area C C C C C
Energy generating facilities accessory to the primary agricultural P P P
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
use on the farm or
ranch
Recreational development,
accessory to a primary
agricultural use
including, but not
limited to, hiking,
nonmotorized biking,
hunting, fishing,
boating, swimming,
horseback riding,
wagon rides,
picnicking, cattle
drives, and nature
walks
P
P
P
P
P
Institutional and Recreation Uses Public safety facilities P P P P P
Recreational vehicle parks and campgrounds
C
Places of public assembly, social clubs, lodges, and club houses
C
Roads, driveways, trails, bridges, underground public utilities, noncommercial gardens, wells, or sewage disposal systems permitted in conjunction with another entitlement for
P P
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
which environmental
review under CEQA
has been conducted
Sewage disposal systems
P
P
P
P
P
C
C16,17
P
Refuse and sewage disposal sites and water and sewer treatment plants
C
Wells P P P P P C9 C16 P
Wireless Communication Facilities C C C C C
C Ch. 17.94 Docks, boat ramps, pilings, retaining walls, walkways and accessory structures on parcels fronting on lakes or reservoirs unless prohibited by the agency having jurisdiction over the lake, reservoir or water therein
C9 C16
Roads, driveways or bridges where access through another district is not feasible
C9 C16
Private airstrips and private heliports P P P
Reservoirs for storage of water by a public utility P P P
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
Libraries, museums, art
galleries, tourist
information facilities
C C
P
Schools (public, private, and alternative) C C C C C
P
Places of worship C C C C C
P
Cemeteries, mausoleums, columbaria and crematoria when in conjunction with a cemetery C C C C C
Recreational development, including uses authorized in a master plan for recreational facilities for use by the public subject to approval by the Board of Supervisors for land within an agricultural preserve in accordance with Tuolumne County Resolution 106-04 C C C C C C9 C16 P16,18
Commercial shooting/archery ranges and trap shooting C C C
Off-road vehicle courses and trails C C C C C
On- and off-shore marina facilities C C C C C
P
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
Firehouses and police
stations
P
Public transportation stations or depots
C
Commercial Uses Bed and breakfast establishments, not to exceed six guest bedrooms P7 P7 P7 P7 P7
Farm stay, not to exceed six guest bedrooms P7 P7 P7 P7 P7
Farm stay, not to exceed six guest bedrooms other than within a permitted single-family dwelling
C
Guest ranch, not to exceed six guest bedrooms or sufficient bedrooms to accommodate 20 persons, whichever is less P P P P P7
P
Guest ranch exceeding six guest bedrooms or sufficient bedrooms to accommodate 20 persons, whichever is less C C C C
C
Guest ranch other than within a permitted single-family dwelling or exceeding six guest
C
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
bedrooms or sufficient
bedrooms to
accommodate 20
persons, whichever is
less
Animal hospitals, veterinary
clinics, kennels, or
animal boarding
facilities
C
C
C
C
C
Animal hospitals, indoors
P
Bars
C19
Gas stations
C
Outdoor sales and storage
C
Ch. 17.90
Weddings and Commercial
Events20
P
P
P
P
C
C Ch. 17.48 Tent revivals, circuses, and carnivals C C C C C
C
Museums C C C
Zoo or exotic animal park C C C
Farmers markets
P P P P
Motorcycles, snowmobiles, and auto clubs and facilities including trails, test areas, and racetracks
C
Commercial coaches P P P P P
Ch. 17.70 Industrial Uses
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
Small scale development of
mineral resources,
provided surface
development does not
occur within 200 feet of
any exterior property
line
P
P
P
P
P
Large scale development of mineral resources or surface development of mineral resources within 200 feet of any exterior property line C C C C C
Development of aggregate resources
C
Prospecting P P P P P C9 C16 P
Storage of petroleum products for use in conjunction with the primary agricultural use of the parcel P P P P P
Commercial refuse and sewage sludge disposal sites and public water and sewer treatment plants C C C C C
Green waste uses
C
C
C
C
C
Public utility uses C C C C C C9 C16 C
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
Commercial alternative
energy generating
facilities, including, but
not limited to, wind
power facilities
C
C
C
C
C
Biomass facilities P21 P21 P21
Non-Commercial Solar
power generation
facilities/equipment
P
P
P
P
P
C
C
P
Ch. 17.88
Airports and heliports
C
C
C
C
C
C
Public utility distribution facilities
P
Communications Facilities Construction, alteration, or maintenance of gas, water, sewer, electrical, communication or other public utility distribution facilities, except as otherwise provided in this Code P P P P P
Temporary Uses Temporary sales offices for parcels and residences
C C
C
Key
Blank Cell – Not Permitted
“P” – Permitted without Discretionary Review
“C” – Discretionary Review Required
A.
Land Use Classification
B.
AE-160
C.
AE-80
D.
AE-37
E.
A-20
F.
A-10
G.
O
H.
O-1
I.
K
J.
Additional
Regulations
Accessory Uses
Private garages accessory
to a single-family
dwelling, or one
private garage, not to
exceed 4,000 square
feet, as a primary use
of the parcel
P
P
P
P
P
P21
Accessory uses and structures appurtenant to permitted uses P P P P P
P
Accessory uses and structures appurtenant to conditional uses C C C C C
C
1 Shall not be converted to a recreational use unless it is brought into compliance with Title 15 of this Code relative to fire safety standards. 2 When the parcel is 160 acres or larger. 3 When the parcel is 80 acres or larger. 4 When the parcel is 37 acres or larger. 5 Or one guesthouse when the parcel is 20 acres or larger. 6 Or one guesthouse when the parcel is 10 acres or larger. 7 Within a permitted single-family dwelling. 8 Including uses and land management activities authorized or required by an agricultural production management plan approved by the Board of Supervisors for land within an agricultural preserve in accordance with Tuolumne County Resolution 106-04, that are not listed as conditional uses. 9 Only if it is found that the use does not conflict with the scenic or wildlife habitat value of the parcel or the preservation of cultural resources, or cause additional flooding, drainage, or fire hazards. 10 Use becomes conditional when facilities and activities are not for the agricultural product grown on the parcel. When conditional, the use cannot be substantially detrimental to surrounding agricultural operations, the primary agricultural use of the parcel or to neighboring parcels. 11 Not to exceed 10% of the parcel size or 10 acres, whichever is less. Use becomes conditional when it exceeds 10% of the parcel size or 10 acres, whichever is less. 12 Not to exceed 10% of the parcel size or 5 acres, whichever is less. Use becomes conditional when it exceeds 10% of the parcel size or 5 acres, whichever is less
13 Not to exceed 10% of the parcel size or 2 acres, whichever is less. Use becomes conditional when it exceeds 10% of the parcel size or 2 acres, whichever is less.
14 Site Development Permit required for events with more than 20 horses.
15 Director approval required. If denied by the Director, then goes to Use Permit.
16 Only permitted if the use does not conflict with the wildlife habitat value of the parcels or with the preservation of cultural resources.
17 Applies to residential uses only.
18 RV parks and campgrounds require a Conditional Use Permit.
19 Not permitted within two hundred feet of residential district.
20 Where a fee is required.
21Only permitted on property with direct access from state highway.
22 Garage is not to exceed a building coverage of 25% of the parcel or 4,000 square feet, whichever is less.
23 Removal of vegetation in non-Open Space zoning district is considered customary and incidental.
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