4320 Sonoma Mountain Rd is a 1,068 square foot house on a 1 acre lot with 2 bedrooms and 2 bathrooms. - it last sold on November 21, 1997 for $232,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $788,503.
Single-familyProperty Type
1953Year Built
1 acresLot Size
$738Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$788,503
$557K since sold in November 1997$14K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.5% higher than the average sale price ($720K) 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
Oct 17, 2025 • Final
Building permit no plan check
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: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,068
Building Sq. Ft: 2,028
# of Stories: 1
Legal Description: 91 FM 49-070-62 # CHG PER MD
Parking & Garage Information
Garage/Parking Sq. Ft: 288
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Acres: 1
Zoning Code: RR10
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,068
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1953
Year Renovated: —
County: Sonoma County
APN: 049071034000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Strawberry Elementary School
Public 4-6 • Assigned • 3.7mi
6/10
Montgomery High School
Public 9-12 • Assigned • 4.7mi
7/10
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
4/10 Fire Factor
1% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 93° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
19 unhealthy days expected this year, 20 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95404
Average low and high temperatures (°F)
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86
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79
51
65
46
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44
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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
$750,000 – $907,000
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