12129 Allison Ranch Rd is a 1,536 square foot house on a 1.16 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on August 14, 1984 for $69,500. Based on Redfin's Grass Valley data, we estimate the home's value is $502,354.
Single-familyProperty Type
1981Year Built
1.16 acresLot Size
$327Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$502,354
$433K since sold in August 1984$3,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.3% lower than the average sale price ($531K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
IDR
Interim Development Reserve District
The IDR District is intended to be used as an interim zoning district to reflect and reserve the development potential of property designated as Planned Development and Special Development Area in the General Plan. It functions as a temporary holding zone and reserves the development potential of the property until a Zoning Map and a Comprehensive Master Plan and/or Specific Plan for the property has been adopted consistent with Nevada County General Plan, and the property is rezoned to permanent specific zoning districts consistent with the above Plan(s). The District shall be combined with 1 or more zoning districts that shall include acreages consistent with the General Plan land use maps.
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Greenhouse / nursery
Rehabilitation center
Housing-Single unit
Housing-Senior
Housing-Other
Agriculture-Cropland
Property details
Interior
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 3
Exterior
Pool Information
Pool Type: Sauna
Has Pool
View Information
View: Average
Property Information
Subdivision Name: OMAHA QUARTZ MINE
Building Sq. Ft: 1,536
# of Stories: 1
Legal Description: PTN NE 1/4 3-15-8
Lot Information
# of Buildings: 1
Land Sq. Ft: 50,530
Legal Lot Number: 54
Acres: 1.16
Zoning Code: IDR
County Use Description: SFR
Location Information
Parcel Location Influence: Rural
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,536
Stories: 1.0
Lot Size: 1.16 acres
Style: Single Family Residential
Year Built: 1981
Year Renovated: —
County: Nevada County
APN: 022120011000
Home facts updated by county records on Sep 21, 2026
Around this home
Schools
Bell Hill Academy
Public K-4 • Assigned • 1.6mi
7/10
Lyman Gilmore Middle School
Public 5-8 • Assigned • 2.0mi
4/10
Nevada Union High School
Public 9-12 • Assigned • 3.4mi
7/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
5/10 Fire Factor
5% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 95° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
33 unhealthy days expected this year, 40 days in 30 years
Provided by First Street
Historical weather
Grass Valley, CA • 95949
Average low and high temperatures (°F)
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43
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76
56
85
63
90
67
91
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83
64
74
56
60
46
57
45
Jan
Feb
Mar
Apr
May
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Sun exposure
In this area, properties receive around 13.5 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
13.5 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$478,000 – $578,000
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