2804 Piner Rd is a 1,632 square foot house on a 1.26 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on May 18, 1990 for $224,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $850,107.
Single-familyProperty Type
1973Year Built
1.26 acresLot Size
$521Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$850,107
$626K since sold in May 1990$0 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14% higher than the average sale price ($746K) 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 11, 2016 • Final
Building permit with plan check
Construct a patio enclosure and a new deck.
Addition
Jun 11, 2016 • Final
Building permit no plan check
Replace ducting for a single-family home.
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: Average
Property Information
Living Sq. Ft: 1,632
Ground Floor Sq. Ft: 1,632
Building Sq. Ft: 1,632
# of Stories: 1
Legal Description: 91 FM 34-080-42 # CHG PER MD
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 800
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 54,886
Legal Lot Number: 3
Acres: 1.26
Zoning Code: RR3
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,632
Stories: 1.0
Lot Size: 1.26 acres
Style: Single Family Residential
Year Built: 1973
Year Renovated: 1974
County: Sonoma County
APN: 034081001000
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 • 1.9mi
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
71
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76
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77
53
85
53
83
54
79
49
65
44
59
42
Jan
Feb
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May
Jun
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Aug
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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
$808,000 – $978,000
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