840 Butler Ave is a 1,128 square foot house on a 0.3 acre lot with 2 bedrooms and 1 bathroom. - it last sold on November 23, 2004 for $465,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $552,779.
Single-familyProperty Type
1952Year Built
0.3 acresLot Size
$490Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$552,779
$88K since sold in November 2004$23K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.5% lower than the average sale price ($647K) 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 14, 2025 • Final
Solar-solarapp
Electrical
Solar
Feb 15, 2017 • Final
Building permit no plan check
Replace the air conditioning and furnace in 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: 1
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Wall Furnace
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Foundation Type: Slab
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Fair
Exterior Wall: Wood Shake/Shingle
Property Information
Living Sq. Ft: 1,128
Building Sq. Ft: 1,648
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 1
Garage/Parking Sq. Ft: 336
Lot Information
# of Buildings: 1
Land Sq. Ft: 13,244
Acres: 0.304
Zoning Code: AR5
County Use Description: SINGLE FAM DWELLING
Utility Information
Sewer Type: Septic
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,128
Stories: 1.0
Lot Size: 0.3 acres
Style: Single Family Residential
Year Built: 1952
Year Renovated: 1952
County: Sonoma County
APN: 134063016000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Places
Transit
Bellevue Elementary School
Public K-6 • Assigned • 0.4mi
4/10
Hilliard Comstock Middle School
Public 7-8 • Assigned • 4.0mi
1/10
Elsie Allen High School
Public 9-12 • Assigned • 0.6mi
2/10
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
4/10 Heat Factor
7 days above 91° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95407
Average low and high temperatures (°F)
62
39
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70
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46
74
50
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76
53
83
54
81
54
78
50
65
45
58
43
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Oct
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Dec
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
$526,000 – $636,000
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