20470 River Blvd is a 1,766 square foot house on a 0.5 acre lot with 4 bedrooms and 1 bathroom. Based on Redfin's Monte Rio data, we estimate the home's value is $601,637.
Single-familyProperty Type
1930Year Built
0.5 acresLot Size
$341Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$601,637
$5,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.5% lower than the average sale price ($630K) 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
$1,143 (+3.9%)
$14,321 + $30,625
$44,946
2024
$1,100 (+1.4%)
$14,041 + $30,025
$44,066
2023
$1,084 (+1.9%)
$13,766 + $29,437
$43,203
2022
$1,064 (+0.8%)
$13,497 + $28,860
$42,357
2021
$1,056 (−5.0%)
$13,233 + $28,295
$41,528
2020
$1,111 (+7.0%)
$12,974 + $27,741
$40,715
2019
$1,038 (+27.3%)
$12,841 + $27,457
$40,298
2018
$815 (+2.5%)
$12,590 + $26,919
$39,509
2017
$795 (−1.5%)
$12,102 + $25,875
$37,977
2015
$807 (+1.1%)
$11,865 + $25,368
$37,233
2014
$798 (+0.2%)
$11,459 + $24,498
$35,957
2013
$797 (+3.8%)
$11,459 + $24,498
$35,957
2012
$767 (+1.1%)
$11,408 + $24,388
$35,796
2011
$759 (+0.5%)
$11,185 + $23,910
$35,095
2010
$755 (−0.3%)
$10,966 + $23,442
$34,408
2009
$757 (−5.3%)
$10,885 + $23,267
$34,152
2007
$799
$10,698 + $22,866
$33,564
Tax history for 20470 River Blvd
Year
Property tax
Land + Additions
Assessment*
2025
$1,143 (+3.9%)
$14,321 + $30,625
$44,946
2024
$1,100 (+1.4%)
$14,041 + $30,025
$44,066
2023
$1,084 (+1.9%)
$13,766 + $29,437
$43,203
2022
$1,064 (+0.8%)
$13,497 + $28,860
$42,357
2021
$1,056 (−5.0%)
$13,233 + $28,295
$41,528
2020
$1,111 (+7.0%)
$12,974 + $27,741
$40,715
2019
$1,038 (+27.3%)
$12,841 + $27,457
$40,298
2018
$815 (+2.5%)
$12,590 + $26,919
$39,509
2017
$795 (−1.5%)
$12,102 + $25,875
$37,977
2015
$807 (+1.1%)
$11,865 + $25,368
$37,233
2014
$798 (+0.2%)
$11,459 + $24,498
$35,957
2013
$797 (+3.8%)
$11,459 + $24,498
$35,957
2012
$767 (+1.1%)
$11,408 + $24,388
$35,796
2011
$759 (+0.5%)
$11,185 + $23,910
$35,095
2010
$755 (−0.3%)
$10,966 + $23,442
$34,408
2009
$757 (−5.3%)
$10,885 + $23,267
$34,152
2007
$799
$10,698 + $22,866
$33,564
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Nov 18, 2016 • Final
Building permit no plan check
Roofing
Jun 11, 2016 • Final
Building history record
Electrical
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: 1,542
Bathroom Information
# of Full Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: EAST MONTE RIO 01
Living Sq. Ft: 1,766
Ground Floor Sq. Ft: 1,766
Building Sq. Ft: 1,766
# of Stories: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 380
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,760
Legal Lot Number: 34,35
Acres: 0.4995
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Location Information
Parcel Location Influence: River
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 1.0
Sq. Ft.: 1,766
Stories: 1.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1930
Year Renovated: 1930
County: Sonoma County
APN: 095231001000
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
8/10 Flood Factor
Estimated 54-66% 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
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
$572,000 – $692,000
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