8308 Franz Valley Rd is a 1,072 square foot house on a 0.5 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Calistoga data, we estimate the home's value is $772,181.
Single-familyProperty Type
1964Year Built
0.5 acresLot Size
$720Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$772,181
$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.9% lower than the average sale price ($941K) 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
$842 (+1.9%)
$18,127 + $56,855
$74,982
2024
$826 (+1.8%)
$17,772 + $55,741
$73,513
2023
$811 (+4.2%)
$17,424 + $54,649
$72,073
2022
$779 (+3.0%)
$17,083 + $53,578
$70,661
2021
$756 (+1.1%)
$16,749 + $52,528
$69,277
2020
$748 (+1.3%)
$16,421 + $51,499
$67,920
2019
$739 (+1.4%)
$16,253 + $50,971
$67,224
2018
$728 (+2.0%)
$15,935 + $49,972
$65,907
2017
$714 (+5.9%)
$15,317 + $48,033
$63,350
2015
$674 (+1.7%)
$15,017 + $47,092
$62,109
2014
$663 (+0.2%)
$14,503 + $45,477
$59,980
2013
$662 (+2.9%)
$14,503 + $45,477
$59,980
2012
$643 (+4.6%)
$14,438 + $45,272
$59,710
2011
$615 (+1.6%)
$14,155 + $44,385
$58,540
2010
$605 (−1.2%)
$13,878 + $43,515
$57,393
2009
$612 (+2.1%)
$13,775 + $43,190
$56,965
2007
$600
$13,538 + $42,445
$55,983
Tax history for 8308 Franz Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$842 (+1.9%)
$18,127 + $56,855
$74,982
2024
$826 (+1.8%)
$17,772 + $55,741
$73,513
2023
$811 (+4.2%)
$17,424 + $54,649
$72,073
2022
$779 (+3.0%)
$17,083 + $53,578
$70,661
2021
$756 (+1.1%)
$16,749 + $52,528
$69,277
2020
$748 (+1.3%)
$16,421 + $51,499
$67,920
2019
$739 (+1.4%)
$16,253 + $50,971
$67,224
2018
$728 (+2.0%)
$15,935 + $49,972
$65,907
2017
$714 (+5.9%)
$15,317 + $48,033
$63,350
2015
$674 (+1.7%)
$15,017 + $47,092
$62,109
2014
$663 (+0.2%)
$14,503 + $45,477
$59,980
2013
$662 (+2.9%)
$14,503 + $45,477
$59,980
2012
$643 (+4.6%)
$14,438 + $45,272
$59,710
2011
$615 (+1.6%)
$14,155 + $44,385
$58,540
2010
$605 (−1.2%)
$13,878 + $43,515
$57,393
2009
$612 (+2.1%)
$13,775 + $43,190
$56,965
2007
$600
$13,538 + $42,445
$55,983
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 8, 2025 • Final
Building permit no plan check
Replace the furnace in a single-family home.
HVAC
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: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,072
Ground Floor Sq. Ft: 1,072
Building Sq. Ft: 1,072
# of Stories: 1
Legal Description: 1971 FORM 120-140-23 & PT TO RD BY OR 2523-144
Parking & Garage Information
Garage/Parking Sq. Ft: 496
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,600
Acres: 0.4959
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.: 1,072
Stories: 1.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1964
County: Sonoma County
APN: 120140054000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Calistoga Elementary School
Public K-6 • Assigned • 5.2mi
6/10
Calistoga Junior/Senior High School
Public 7-12 • Assigned • 5.4mi
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
3% 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
81
54
88
57
83
57
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
$734,000 – $889,000
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