520 Franz Valley School Rd is a 2,481 square foot vacant land on a 5.5 acre lot with 4 bedrooms and 2.5 bathrooms. - it last sold on July 10, 2000 for $160,000. Based on Redfin's Calistoga data, we estimate the home's value is $1,355,768.
Vacant landProperty Type
2003Year Built
5.5 acresLot Size
$246,503Price/Acres
1 spaceParking
Source:Public Records
Redfin Estimate
$1,355,768
$1.2M since sold in July 2000$40K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.9% lower than the average sale price ($1.52M) 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 and permits
Zoning
Permits
AW
Agricultural Watershed District
The AW district classification is intended to be applied in those areas of the county where the predominant use is agriculturally oriented, where watershed areas, reservoirs and floodplain tributaries are located, where development would adversely impact on all such uses, and where the protection of agriculture, watersheds and floodplain tributaries from fire, pollution and erosion is essential to the general health, safety and welfare.
Permitted uses
Include but are not limited to:
Agriculture
Housing-Single unit
Housing-Senior
Housing-Other
Office
Recreation
Communications tower
Mar 5, 2007 • Final
Building/residential/solar system/new
Install a new roof-mounted solar system on a residential building.
Electrical
Solar
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Exterior
Exterior Information
Physical Condition: Good
Construction Type: Wood
Building Construction Quality: Average
Building Type: Single Family
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,481
Building Sq. Ft: 2,481
# of Stories: 2
Legal Description: PCL D MAP NO 902 6R/S62
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 440
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 239,580
Acres: 5.5
Zoning Code: AW
County Use Description: RURAL RESID 5+ ACRES
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 2,481
Stories: 2.0
Lot Size: 5.5 acres
Style: Vacant Land
Year Built: 2003
Year Renovated: 2003
County: Napa County
APN: 20330004000
Home facts updated by county records on Oct 8, 2026
Around this home
Schools
Calistoga Elementary School
Public K-6 • Assigned • 1.2mi
6/10
Calistoga Junior/Senior High School
Public 7-12 • Assigned • 1.4mi
4/10
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
4% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 98° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
29 unhealthy days expected this year, 30 days in 30 years
Provided by First Street
Historical weather
Calistoga, CA • 94515
Average low and high temperatures (°F)
60
44
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45
68
48
66
47
76
51
81
54
84
56
88
57
81
58
75
53
62
46
57
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.4 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.4 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.29M – $1.56M
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