20266 River Blvd is a 628 square foot house on a 5,328 square foot lot with 1 bedroom and 1 bathroom. - it last sold on April 23, 1999 for $30,000. Based on Redfin's Monte Rio data, we estimate the home's value is $390,969.
Single-familyProperty Type
1914Year Built
5,328 sq ftLot Size
$623Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$390,969
$361K since sold in April 1999$8,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 24.1% higher than the average sale price ($315K) 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
Jun 11, 2016 • Final
Building permit no plan check
Roofing
Jun 11, 2016 • Final
Building permit no plan check
Electrical
Plumbing
Water heater
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: 3
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Poor
Property Information
Subdivision Name: EAST MONTE RIO ADD
Living Sq. Ft: 628
Building Sq. Ft: 628
# of Stories: 1
Legal Description: EAST MONTE RIO ADDITION #1 LOT 60 TIER A
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,328
Legal Lot Number: 60
Acres: 0.1223
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 628
Stories: 1.0
Lot Size: 5,328 square feet
Style: Single Family Residential
Year Built: 1914
Year Renovated: 1950
County: Sonoma County
APN: 095231020000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Monte Rio Elementary School
Public K-8 • Assigned • 0.6mi
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
10/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.77% chance of being in a wildfire in next 30 years
2/10 Heat Factor
9 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)
59
40
60
43
69
44
66
46
74
49
75
51
73
52
82
53
78
53
75
49
62
45
58
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$372,000 – $450,000
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