6440 Stone Bridge Rd is a 1,686 square foot house on a 4,392 square foot lot with 2 bedrooms and 2 bathrooms. - it last sold on November 06, 2015 for $528,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $708,013.
Single-familyProperty Type
1978Year Built
4,392 sq ftLot Size
$420Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$708,013
$180K since sold in November 2015$17K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.2% lower than the average sale price ($709K) 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 30, 2025 • Final
Residential electrical
Remove the existing electrical meter and main panel. Install a new electrical panel and branch circuit breakers to reconnect existing circuits. Install a new dual ground rod system with electrical bonding of water and gas pipes, label all circuits, and install a whole house surge protector.
Electrical
Sep 25, 2020 • Active
Residential mechanical
Replace the air conditioning condenser, coil, and furnace. The new system includes a 16 SEER efficiency rating.
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: 7
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Subdivision Name: OAKMONT 12B
Living Sq. Ft: 1,686
Ground Floor Sq. Ft: 1,686
Building Sq. Ft: 2,148
# of Stories: 1
Legal Description: OAKMONT 12B LOT 21
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 462
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,392
Legal Lot Number: 21
Acres: 0.1008
Zoning Code: CITYSR
County Use Description: DETACHED UNIT
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,686
Stories: 1.0
Lot Size: 4,392 square feet
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1979
County: Sonoma County
APN: 016510018000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Austin Creek Elementary School
Public K-6 • Assigned • 1.8mi
10/10
Rincon Valley Middle School
Public 7-8 • Assigned • 3.9mi
5/10
Maria Carrillo High School
Public 9-12 • Assigned • 3.4mi
9/10
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
4/10 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 • 95409
Average low and high temperatures (°F)
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82
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76
52
62
46
58
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
$673,000 – $815,000
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