2820 Piner Rd is a 2,338 square foot house on a 1.27 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on June 28, 2019 for $915,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $1,165,766.
Single-familyProperty Type
1932Year Built
1.27 acresLot Size
$499Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,165,766
$251K since sold in June 2019$5,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 31.3% higher than the average sale price ($888K) 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
Aug 12, 2022 • Final
Solar-solarapp
Electrical
Solar
Jun 11, 2016 • Final
Building permit with plan check
Construct an addition to a single-family home and perform remodeling work.
Addition
Remodel
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
Basement Information
Basement Sq. Ft: 1,562
Bathroom Information
# of Full Baths: 3
Room Information
# of Rooms: 7
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 2,338
Building Sq. Ft: 3,442
# of Stories: 1
Legal Description: 91 FM 34-080-39 # CHG PER MD
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 720
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 55,321
Acres: 1.27
Zoning Code: RR3
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,338
Stories: 1.0
Lot Size: 1.27 acres
Style: Single Family Residential
Year Built: 1932
Year Renovated: 1970
County: Sonoma County
APN: 034081002000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Jack London Elementary School
Public K-6 • Assigned • 1.3mi
5/10
Hilliard Comstock Middle School
Public 7-8 • Assigned • 2.0mi
1/10
Piner High School
Public 9-12 • Assigned • 0.8mi
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
7 days above 90° 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
18 unhealthy days expected this year, 20 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95401
Average low and high temperatures (°F)
63
39
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42
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76
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77
53
85
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83
54
79
49
65
44
59
42
Jan
Feb
Mar
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May
Jun
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Sun exposure
In this area, properties receive around 11.1 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.11M – $1.34M
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