8321 Franz Valley Rd is a 1,152 square foot house on a 1.62 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on February 27, 2015 for $690,000. Based on Redfin's Calistoga data, we estimate the home's value is $1,042,250.
Single-familyProperty Type
1999Year Built
1.62 acresLot Size
$905Est. Price/Sq.Ft.
1 car garageParking
Source:Public Records
Redfin Estimate
$1,042,250
$352K since sold in February 2015$38K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.4% higher than the average sale price ($1.04M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Dec 12, 2019 • Final
Building permit with plan check
Electrical
Solar
Jun 11, 2016 • Final
Building permit with plan check
Construct a new manufactured home on a concrete foundation.
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
Room Information
# of Rooms: 8
Exterior
Property Information
Living Sq. Ft: 1,152
Building Sq. Ft: 2,860
# of Stories: 1
Legal Description: 1972 FORM 120-140-40 & PT TO RD BY OR 2528-764
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 280
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 70,567
Acres: 1.62
Zoning Code: AR20
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,152
Stories: 1.0
Lot Size: 1.62 acres
Style: Single Family Residential
Year Built: 1999
Year Renovated: 2000
County: Sonoma County
APN: 120140065000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Calistoga Elementary School
Public K-6 • Assigned • 5.3mi
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
4% 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
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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
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Aug
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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
$991,000 – $1.20M
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