8799 Franz Valley School Rd is a 1,080 square foot house on a 2 acre lot with 2 bedrooms and 1 bathroom. Based on Redfin's Calistoga data, we estimate the home's value is $735,887.
Single-familyProperty Type
1923Year Built
2 acresLot Size
$681Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$735,887
$14K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.1% higher than the average sale price ($735K) 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
$132 (+1.8%)
$10,512
2024
$130 (+1.7%)
$10,306
2023
$128 (+3.9%)
$10,104
2022
$123 (+4.1%)
$9,906
2021
$118 (+1.0%)
$9,712
2020
$117 (+1.2%)
$9,361
2019
$115 (+1.4%)
$9,266
2018
$114 (−53.6%)
$9,085
2017
$245 (+10.5%)
$8,733 + $10,676
$19,409
2015
$222 (+1.8%)
$8,562 + $10,467
$19,029
2014
$218 (+0.1%)
$8,269 + $10,109
$18,378
2013
$218 (+3.1%)
$8,269 + $10,109
$18,378
2012
$211 (+4.5%)
$8,232 + $10,064
$18,296
2011
$202 (+1.5%)
$8,071 + $9,867
$17,938
2010
$199 (−1.1%)
$7,913 + $9,674
$17,587
2009
$201 (+2.0%)
$7,854 + $9,602
$17,456
2007
$198
$7,719 + $9,437
$17,156
Tax history for 8799 Franz Valley School Rd
Year
Property tax
Land + Additions
Assessment*
2025
$132 (+1.8%)
$10,512
2024
$130 (+1.7%)
$10,306
2023
$128 (+3.9%)
$10,104
2022
$123 (+4.1%)
$9,906
2021
$118 (+1.0%)
$9,712
2020
$117 (+1.2%)
$9,361
2019
$115 (+1.4%)
$9,266
2018
$114 (−53.6%)
$9,085
2017
$245 (+10.5%)
$8,733 + $10,676
$19,409
2015
$222 (+1.8%)
$8,562 + $10,467
$19,029
2014
$218 (+0.1%)
$8,269 + $10,109
$18,378
2013
$218 (+3.1%)
$8,269 + $10,109
$18,378
2012
$211 (+4.5%)
$8,232 + $10,064
$18,296
2011
$202 (+1.5%)
$8,071 + $9,867
$17,938
2010
$199 (−1.1%)
$7,913 + $9,674
$17,587
2009
$201 (+2.0%)
$7,854 + $9,602
$17,456
2007
$198
$7,719 + $9,437
$17,156
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 29, 2021 • Final
Demolition
Demolish a manufactured home damaged by fire.
Demolition
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
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 3
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Fair
Property Information
Living Sq. Ft: 1,080
Ground Floor Sq. Ft: 1,080
Building Sq. Ft: 1,080
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 87,120
Acres: 2
Zoning Code: AR20
County Use Description: VAC RURAL RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,080
Stories: 1.0
Lot Size: 2 acres
Style: Single Family Residential
Year Built: 1923
Year Renovated: 1923
County: Sonoma County
APN: 120150012000
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
Estimated sale price
$700,000 – $847,000
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