4828 Franz Valley Rd is a 2,410 square foot house on a 27.69 acre lot with 2 bedrooms and 2 bathrooms. - it last sold on July 31, 2015 for $825,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $1,214,582.
Single-familyProperty Type
1984Year Built
27.69 acresLot Size
$504Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,214,582
$390K since sold in July 2015$13K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 35.1% higher than the average sale price ($899K) 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
Apr 3, 2026 • Final
Building permit with plan check
ADU
Feb 10, 2026 • Final
Building permit with plan check
Addition
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: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Living Sq. Ft: 2,410
Ground Floor Sq. Ft: 1,580
Building Sq. Ft: 2,410
# of Stories: 2
Legal Description: 80 FM 120-180-13 PT TO 15 PM6703 PT TO RD 80-6340
Lot Information
# of Buildings: 1
Land Sq. Ft: 1,206,176
Acres: 27.69
Zoning Code: RRD100
County Use Description: VAC RURAL RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 2,410
Stories: 2.0
Lot Size: 27.69 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1984
County: Sonoma County
APN: 120180014000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Calistoga Elementary School
Public K-6 • Assigned • 4.9mi
6/10
Calistoga Junior/Senior High School
Public 7-12 • Assigned • 5.1mi
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
Santa Rosa, CA • 95404
Average low and high temperatures (°F)
63
41
64
44
72
47
70
47
77
51
80
54
79
54
86
55
83
55
79
51
65
46
60
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
$1.15M – $1.40M
Reach more buyers when you sell with Redfin. Save up to $12,146 in fees.3 minutes to get started.