8020 Franz Valley Rd is a 1,197 square foot house on a 7.52 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Calistoga data, we estimate the home's value is $2,564,894.
Single-familyProperty Type
1942Year Built
7.52 acresLot Size
$2,143Est. Price/Sq.Ft.
4 garage spacesParking
Source:Public Records
Redfin Estimate
$2,564,894
$90K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 31.5% higher than the average sale price ($1.95M) 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
$5,262 (+1.9%)
$41,236 + $453,598
$494,834
2024
$5,162 (+28.6%)
$40,428 + $444,704
$485,132
2023
$4,013 (+4.2%)
$39,636 + $435,985
$475,621
2022
$3,853 (+3.1%)
$38,859 + $330,271
$369,130
2021
$3,736 (+2.1%)
$38,098 + $323,796
$361,894
2020
$3,660 (+1.3%)
$37,351 + $317,448
$354,799
2019
$3,612 (+42.9%)
$36,969 + $314,193
$351,162
2018
$2,527 (+2.1%)
$36,245 + $308,033
$344,278
2017
$2,475 (−4.5%)
$34,839 + $200,955
$235,794
2015
$2,591 (+4.7%)
$34,156 + $210,753
$244,909
2014
$2,474 (+0.2%)
$32,984 + $203,522
$236,506
2013
$2,469 (+3.0%)
$32,984 + $203,522
$236,506
2012
$2,399 (+4.7%)
$32,835 + $202,603
$235,438
2011
$2,291 (+1.6%)
$32,192 + $198,631
$230,823
2010
$2,254 (−1.1%)
$31,561 + $194,737
$226,298
2009
$2,280 (+2.2%)
$31,326 + $193,282
$224,608
2007
$2,230
$30,786 + $189,944
$220,730
Tax history for 8020 Franz Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,262 (+1.9%)
$41,236 + $453,598
$494,834
2024
$5,162 (+28.6%)
$40,428 + $444,704
$485,132
2023
$4,013 (+4.2%)
$39,636 + $435,985
$475,621
2022
$3,853 (+3.1%)
$38,859 + $330,271
$369,130
2021
$3,736 (+2.1%)
$38,098 + $323,796
$361,894
2020
$3,660 (+1.3%)
$37,351 + $317,448
$354,799
2019
$3,612 (+42.9%)
$36,969 + $314,193
$351,162
2018
$2,527 (+2.1%)
$36,245 + $308,033
$344,278
2017
$2,475 (−4.5%)
$34,839 + $200,955
$235,794
2015
$2,591 (+4.7%)
$34,156 + $210,753
$244,909
2014
$2,474 (+0.2%)
$32,984 + $203,522
$236,506
2013
$2,469 (+3.0%)
$32,984 + $203,522
$236,506
2012
$2,399 (+4.7%)
$32,835 + $202,603
$235,438
2011
$2,291 (+1.6%)
$32,192 + $198,631
$230,823
2010
$2,254 (−1.1%)
$31,561 + $194,737
$226,298
2009
$2,280 (+2.2%)
$31,326 + $193,282
$224,608
2007
$2,230
$30,786 + $189,944
$220,730
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
May 30, 2019 • Final
Building permit no plan check
Remove an existing walk-in bathtub and install a new stand-up shower.
Bathroom
Jun 28, 2018 • Final
Building permit with plan check
New construction
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: 3
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Pool Information
Has Pool
Property Information
Living Sq. Ft: 1,197
Ground Floor Sq. Ft: 1,197
Building Sq. Ft: 1,197
# of Stories: 2
Parking & Garage Information
Garage/Parking Sq. Ft: 540
Lot Information
# of Buildings: 1
Land Sq. Ft: 327,571
Acres: 7.52
Zoning Code: AR20
County Use Description: RURAL RESID-2+ RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,197
Stories: 2.0
Lot Size: 7.52 acres
Style: Single Family Residential
Year Built: 1942
Year Renovated: 1942
County: Sonoma County
APN: 120140031000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Calistoga Elementary School
Public K-6 • Assigned • 5.0mi
6/10
Calistoga Junior/Senior High School
Public 7-12 • Assigned • 5.2mi
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, 15 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
$2.44M – $2.95M
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