As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$8,244 (+1.9%)
$537,638 + $233,710
$771,348
2024
$8,089 (+1.8%)
$527,097 + $229,128
$756,225
2023
$7,947 (+4.1%)
$516,762 + $224,636
$741,398
2022
$7,636 (+48.3%)
$506,630 + $220,232
$726,862
2021
$5,150 (+1.1%)
$496,697 + $215,914
$712,611
2020
$5,095 (+1.3%)
$486,958
2019
$5,031 (+1.3%)
$481,965
2018
$4,966 (−29.0%)
$472,515
2017
$6,996 (+821.7%)
$16,671 + $54,706
$71,377
2015
$759 (+1.6%)
$16,345 + $53,634
$69,979
2014
$747 (+0.2%)
$15,785 + $51,795
$67,580
2013
$745 (+2.9%)
$15,785 + $51,795
$67,580
2012
$724 (+4.6%)
$15,714 + $51,561
$67,275
2011
$692 (+1.6%)
$15,406 + $50,550
$65,956
2010
$681 (−1.2%)
$15,104 + $49,559
$64,663
2009
$689 (+2.1%)
$14,992 + $49,189
$64,181
2007
$675
$14,734 + $48,340
$63,074
Tax history for 8785 Franz Valley School Rd
Year
Property tax
Land + Additions
Assessment*
2025
$8,244 (+1.9%)
$537,638 + $233,710
$771,348
2024
$8,089 (+1.8%)
$527,097 + $229,128
$756,225
2023
$7,947 (+4.1%)
$516,762 + $224,636
$741,398
2022
$7,636 (+48.3%)
$506,630 + $220,232
$726,862
2021
$5,150 (+1.1%)
$496,697 + $215,914
$712,611
2020
$5,095 (+1.3%)
$486,958
2019
$5,031 (+1.3%)
$481,965
2018
$4,966 (−29.0%)
$472,515
2017
$6,996 (+821.7%)
$16,671 + $54,706
$71,377
2015
$759 (+1.6%)
$16,345 + $53,634
$69,979
2014
$747 (+0.2%)
$15,785 + $51,795
$67,580
2013
$745 (+2.9%)
$15,785 + $51,795
$67,580
2012
$724 (+4.6%)
$15,714 + $51,561
$67,275
2011
$692 (+1.6%)
$15,406 + $50,550
$65,956
2010
$681 (−1.2%)
$15,104 + $49,559
$64,663
2009
$689 (+2.1%)
$14,992 + $49,189
$64,181
2007
$675
$14,734 + $48,340
$63,074
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 1, 2019 • Final
Temporary utilities
Electrical
Jun 11, 2016 • Final
Building permit no plan check
Upgrade the electrical service panel for a single-family home.
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: 1
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Living Sq. Ft: 2,002
Ground Floor Sq. Ft: 2,002
Building Sq. Ft: 2,002
# of Stories: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 460
Lot Information
# of Buildings: 1
Land Sq. Ft: 435,600
Acres: 10
Zoning Code: AR20
County Use Description: VAC RURAL RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 1.5
Sq. Ft.: 2,002
Stories: 1.0
Lot Size: 10 acres
Style: Single Family Residential
Year Built: 1959
Year Renovated: 1959
County: Sonoma County
APN: 120150011000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Calistoga Elementary School
Public K-6 • Assigned • 4.2mi
6/10
Calistoga Junior/Senior High School
Public 7-12 • Assigned • 4.3mi
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
5% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 98° 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
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 11.4 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
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