8470 St Helena Rd is a 963 square foot house on a 4.3 acre lot with 1 bedroom and 1 bathroom. Based on Redfin's Santa Rosa data, we estimate the home's value is $666,914.
Single-familyProperty Type
2024Year Built
4.3 acresLot Size
$693Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$666,914
$97K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.4% lower than the average sale price ($744K) 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
Jun 14, 2024 • Final
Building permit with plan check
New construction
Jun 14, 2024 • Final
Temporary utilities
Electrical
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: 1
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: L-Shape
Building Construction Quality: Good
Property Information
Living Sq. Ft: 963
Building Sq. Ft: 1,823
# of Stories: 2
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 860
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 187,308
Acres: 4.3
Zoning Code: RR5
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 963
Stories: 2.0
Lot Size: 4.3 acres
Style: Single Family Residential
Year Built: 2024
Year Renovated: 2024
County: Sonoma County
APN: 028250019000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Whited Elementary Charter School
Charter K-6 • Assigned • 5.4mi
6/10
Rincon Valley Middle School
Public 7-8 • Assigned • 5.2mi
5/10
Maria Carrillo High School
Public 9-12 • Assigned • 4.7mi
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
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
2/10 Heat Factor
4 days above 92° expected this year, 8 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
26 unhealthy days expected this year, 28 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95404
Average low and high temperatures (°F)
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44
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Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.
Provided by Shadowmap
Estimated sale price
$634,000 – $767,000
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