20340 River Blvd is a 736 square foot house on a 10,100 square foot lot with 1 bedroom and 1 bathroom. - it last sold on October 12, 1994 for $85,000. Based on Redfin's Monte Rio data, we estimate the home's value is $529,968.
Single-familyProperty Type
1924Year Built
10,100 sq ftLot Size
$720Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$529,968
$445K since sold in October 1994$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.7% higher than the average sale price ($483K) of 5 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 20, 2024 • Active
Building permit no plan check
Remove and replace an electrical service panel with a new panel of the same amperage.
Electrical
May 17, 2019 • Final
Building permit with plan check
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
Bathroom Information
# of Full Baths: 1
Room Information
# of Rooms: 2
Exterior
Exterior Information
Building Style Type: L-Shape
Building Construction Quality: Poor
Property Information
Subdivision Name: EAST MONTE RIO ADD 01
Living Sq. Ft: 736
Building Sq. Ft: 736
# of Stories: 1
Legal Description: 2003 FM 095-231-023&024 2002RMDMGR
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,100
Legal Lot Number: 47
Acres: 0.2319
County Use Description: SINGLE FAM DWELLING
Location Information
Parcel Location Influence: River
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 736
Stories: 1.0
Lot Size: 10,100 square feet
Style: Single Family Residential
Year Built: 1924
Year Renovated: —
County: Sonoma County
APN: 095231030000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Monte Rio Elementary School
Public K-8 • Assigned • 0.5mi
7/10
Analy High School
Public 9-12 • Assigned • 10.6mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
6/10 Flood Factor
Estimated 22-32% chance 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
10 days above 86° expected this year, 25 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Monte Rio, CA • 95462
Average low and high temperatures (°F)
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73
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82
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78
53
75
49
62
45
58
44
Jan
Feb
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Sun exposure
In this area, properties receive around 10.6 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
10.6 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$504,000 – $610,000
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