20810 River Blvd is a 999 square foot house on a 6,500 square foot lot with 1 bedroom and 2 bathrooms. Based on Redfin's Monte Rio data, we estimate the home's value is $501,473.
Single-familyProperty Type
1965Year Built
6,500 sq ftLot Size
$502Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$501,473
$8,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.7% lower than the average sale price ($609K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,116 (+4.0%)
$9,615 + $32,808
$42,423
2024
$1,073 (+1.4%)
$9,427 + $32,165
$41,592
2023
$1,058 (+1.9%)
$9,243 + $31,535
$40,778
2022
$1,039 (+0.8%)
$9,062 + $30,917
$39,979
2021
$1,030 (−5.1%)
$8,885 + $30,311
$39,196
2020
$1,085 (+7.2%)
$8,711 + $29,717
$38,428
2019
$1,013 (+28.0%)
$8,622 + $29,413
$38,035
2018
$791 (+2.4%)
$8,453 + $28,837
$37,290
2017
$772 (−3.6%)
$8,126 + $27,718
$35,844
2016
$801 (+2.0%)
$7,967 + $27,175
$35,142
2015
$785 (+1.0%)
$7,967 + $27,175
$35,142
2014
$777 (+0.2%)
$7,695 + $26,243
$33,938
2013
$776 (+3.9%)
$7,695 + $26,243
$33,938
2012
$747 (+1.0%)
$7,661 + $26,125
$33,786
2011
$739 (+0.5%)
$7,511 + $25,613
$33,124
2010
$735 (−0.3%)
$7,364 + $25,111
$32,475
2009
$737 (−22.8%)
$7,309 + $24,924
$32,233
2007
$955
$7,184 + $22,372
$29,556
Tax history for 20810 River Blvd
Year
Property tax
Land + Additions
Assessment*
2025
$1,116 (+4.0%)
$9,615 + $32,808
$42,423
2024
$1,073 (+1.4%)
$9,427 + $32,165
$41,592
2023
$1,058 (+1.9%)
$9,243 + $31,535
$40,778
2022
$1,039 (+0.8%)
$9,062 + $30,917
$39,979
2021
$1,030 (−5.1%)
$8,885 + $30,311
$39,196
2020
$1,085 (+7.2%)
$8,711 + $29,717
$38,428
2019
$1,013 (+28.0%)
$8,622 + $29,413
$38,035
2018
$791 (+2.4%)
$8,453 + $28,837
$37,290
2017
$772 (−3.6%)
$8,126 + $27,718
$35,844
2016
$801 (+2.0%)
$7,967 + $27,175
$35,142
2015
$785 (+1.0%)
$7,967 + $27,175
$35,142
2014
$777 (+0.2%)
$7,695 + $26,243
$33,938
2013
$776 (+3.9%)
$7,695 + $26,243
$33,938
2012
$747 (+1.0%)
$7,661 + $26,125
$33,786
2011
$739 (+0.5%)
$7,511 + $25,613
$33,124
2010
$735 (−0.3%)
$7,364 + $25,111
$32,475
2009
$737 (−22.8%)
$7,309 + $24,924
$32,233
2007
$955
$7,184 + $22,372
$29,556
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Aug 13, 2019 • Final
Building permit with plan check
Bathroom
Kitchen
Remodel
Roofing
Jun 11, 2016 • Final
Building permit with plan check
Electrical
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
Basement Information
Basement Sq. Ft: 432
Bathroom Information
# of Full Baths: 2
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: EAST MONTE RIO
Living Sq. Ft: 999
Ground Floor Sq. Ft: 999
Building Sq. Ft: 999
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,500
Legal Lot Number: 17
Acres: 0.1492
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Location Information
Parcel Location Influence: River
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 2.0
Sq. Ft.: 999
Stories: 1.0
Lot Size: 6,500 square feet
Style: Single Family Residential
Year Built: 1965
Year Renovated: 2005
County: Sonoma County
APN: 095191017000
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
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
2/10 Fire Factor
0.00% chance of being in a wildfire in next 30 years
2/10 Heat Factor
9 days above 86° expected this year, 24 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
$477,000 – $577,000
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