447 Arroyo Rd is a 684 square foot house on a 4,116 square foot lot with 1 bedroom and 1 bathroom. - it last sold on March 07, 2012 for $152,000. Based on Redfin's Sonoma data, we estimate the home's value is $539,862.
Single-familyProperty Type
1926Year Built
4,116 sq ftLot Size
$789Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$539,862
$388K since sold in March 2012$14K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 11.8% lower than the average sale price ($612K) 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 no plan check
Roofing
Jun 11, 2016 • Final
Building history record
Work on an addition.
Addition
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
Room Information
# of Rooms: 2
Exterior
Exterior Information
Foundation Type: Raised W/Crawlspace
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Poor
Exterior Wall: Wood
Property Information
Subdivision Name: BOYES SPGS PARK A
Living Sq. Ft: 684
Ground Floor Sq. Ft: 684
Building Sq. Ft: 684
# of Stories: 1
Legal Description: BLK 7 LOT 6
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,116
Legal Lot Number: 6
Legal Block Number: 7
Acres: 0.0945
Zoning Code: R15UA
County Use Description: SINGLE FAM DWELLING
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 684
Stories: 1.0
Lot Size: 4,116 square feet
Style: Single Family Residential
Year Built: 1926
Year Renovated: 1970
County: Sonoma County
APN: 056414009000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Flowery Elementary School
Public K-5 • Assigned • 0.6mi
5/10
Adele Harrison Middle School
Public 6-8 • Assigned • 2.6mi
4/10
Sonoma Valley High School
Public 9-12 • Assigned • 2.5mi
7/10
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
2% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 96° expected this year, 15 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, 19 days in 30 years
Provided by First Street
Historical weather
Sonoma, CA • 95476
Average low and high temperatures (°F)
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46
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85
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89
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86
56
80
51
65
46
59
43
Jan
Feb
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Sun exposure
In this area, properties receive around 11.3 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.3 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$513,000 – $621,000
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