8465 Franz Valley School Rd is a 1,449 square foot house on a 38.25 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Calistoga data, we estimate the home's value is $1,284,847.
Single-familyProperty Type
1969Year Built
38.25 acresLot Size
$887Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,284,847
$65K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.3% higher than the average sale price ($1.11M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,325 (+2.0%)
$29,285 + $97,170
$126,455
2024
$1,299 (+1.9%)
$28,711 + $95,265
$123,976
2023
$1,274 (+4.3%)
$28,149 + $93,398
$121,547
2022
$1,222 (+3.1%)
$27,598 + $91,567
$119,165
2021
$1,185 (+1.2%)
$27,057 + $89,772
$116,829
2020
$1,171 (+1.4%)
$26,527 + $88,012
$114,539
2019
$1,155 (+1.5%)
$26,255 + $87,110
$113,365
2018
$1,137 (+2.2%)
$25,741 + $85,402
$111,143
2017
$1,113 (+5.4%)
$24,743 + $82,087
$106,830
2015
$1,056 (+1.8%)
$24,258 + $80,478
$104,736
2014
$1,037 (+0.2%)
$23,426 + $77,718
$101,144
2013
$1,035 (+3.1%)
$23,426 + $77,718
$101,144
2012
$1,004 (+4.8%)
$23,321 + $77,367
$100,688
2011
$958 (+1.6%)
$22,864 + $75,850
$98,714
2010
$943 (−1.2%)
$22,416 + $74,363
$96,779
2009
$954 (+2.3%)
$22,249 + $73,808
$96,057
2007
$933
$21,865 + $72,534
$94,399
Tax history for 8465 Franz Valley School Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,325 (+2.0%)
$29,285 + $97,170
$126,455
2024
$1,299 (+1.9%)
$28,711 + $95,265
$123,976
2023
$1,274 (+4.3%)
$28,149 + $93,398
$121,547
2022
$1,222 (+3.1%)
$27,598 + $91,567
$119,165
2021
$1,185 (+1.2%)
$27,057 + $89,772
$116,829
2020
$1,171 (+1.4%)
$26,527 + $88,012
$114,539
2019
$1,155 (+1.5%)
$26,255 + $87,110
$113,365
2018
$1,137 (+2.2%)
$25,741 + $85,402
$111,143
2017
$1,113 (+5.4%)
$24,743 + $82,087
$106,830
2015
$1,056 (+1.8%)
$24,258 + $80,478
$104,736
2014
$1,037 (+0.2%)
$23,426 + $77,718
$101,144
2013
$1,035 (+3.1%)
$23,426 + $77,718
$101,144
2012
$1,004 (+4.8%)
$23,321 + $77,367
$100,688
2011
$958 (+1.6%)
$22,864 + $75,850
$98,714
2010
$943 (−1.2%)
$22,416 + $74,363
$96,779
2009
$954 (+2.3%)
$22,249 + $73,808
$96,057
2007
$933
$21,865 + $72,534
$94,399
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 11, 2016 • Final
Building permit no plan check
Relocate the existing electrical service and meter for a single-family home. Install a new electrical panel and perform trenching for the service line.
Electrical
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
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 9
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Living Sq. Ft: 1,449
Building Sq. Ft: 1,449
# of Stories: 2
Legal Description: 95 FM 120-150-41 & PT 14 LLA 93-645 OR 94086509
Lot Information
# of Buildings: 1
Land Sq. Ft: 1,666,170
Acres: 38.25
Zoning Code: AR20
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,449
Stories: 2.0
Lot Size: 38.25 acres
Style: Single Family Residential
Year Built: 1969
Year Renovated: 1970
County: Sonoma County
APN: 120150045000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Calistoga Elementary School
Public K-6 • Assigned • 4.7mi
6/10
Calistoga Junior/Senior High School
Public 7-12 • Assigned • 4.8mi
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
6 days above 98° expected this year, 13 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
22 unhealthy days expected this year, 24 days in 30 years
Provided by First Street
Historical weather
Calistoga, CA • 94515
Average low and high temperatures (°F)
60
44
60
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 11.2 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.22M – $1.48M
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