21849 Russian River Ave is a 720 square foot house on a 3,200 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's Monte Rio data, we estimate the home's value is $414,232.
Single-familyProperty Type
1910Year Built
3,200 sq ftLot Size
$575Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$414,232
$17K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 19.5% higher than the average sale price ($347K) 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
$4,157 (+428.3%)
$104,040 + $218,484
$322,524
2024
$787 (+1.2%)
$102,000 + $214,200
$316,200
2023
$778 (+1.8%)
$7,602 + $7,382
$14,984
2022
$764 (+0.6%)
$7,453 + $7,238
$14,691
2021
$759 (−7.0%)
$7,307 + $7,097
$14,404
2020
$816 (+9.1%)
$7,164 + $6,958
$14,122
2019
$748 (+39.2%)
$7,091 + $6,887
$13,978
2018
$537 (+1.3%)
$6,952 + $6,752
$13,704
2017
$531 (−4.5%)
$6,683 + $6,491
$13,174
2015
$556 (+0.5%)
$6,552 + $6,364
$12,916
2014
$553 (+0.2%)
$6,328 + $6,147
$12,475
2013
$552 (+4.8%)
$6,328 + $6,147
$12,475
2012
$527 (+0.6%)
$6,300 + $6,120
$12,420
2011
$524 (+0.3%)
$6,177 + $6,000
$12,177
2010
$522 (−0.1%)
$6,056 + $5,883
$11,939
2009
$523 (−8.2%)
$6,011 + $5,840
$11,851
2007
$570
$5,908 + $5,740
$11,648
Tax history for 21849 Russian River Ave
Year
Property tax
Land + Additions
Assessment*
2025
$4,157 (+428.3%)
$104,040 + $218,484
$322,524
2024
$787 (+1.2%)
$102,000 + $214,200
$316,200
2023
$778 (+1.8%)
$7,602 + $7,382
$14,984
2022
$764 (+0.6%)
$7,453 + $7,238
$14,691
2021
$759 (−7.0%)
$7,307 + $7,097
$14,404
2020
$816 (+9.1%)
$7,164 + $6,958
$14,122
2019
$748 (+39.2%)
$7,091 + $6,887
$13,978
2018
$537 (+1.3%)
$6,952 + $6,752
$13,704
2017
$531 (−4.5%)
$6,683 + $6,491
$13,174
2015
$556 (+0.5%)
$6,552 + $6,364
$12,916
2014
$553 (+0.2%)
$6,328 + $6,147
$12,475
2013
$552 (+4.8%)
$6,328 + $6,147
$12,475
2012
$527 (+0.6%)
$6,300 + $6,120
$12,420
2011
$524 (+0.3%)
$6,177 + $6,000
$12,177
2010
$522 (−0.1%)
$6,056 + $5,883
$11,939
2009
$523 (−8.2%)
$6,011 + $5,840
$11,851
2007
$570
$5,908 + $5,740
$11,648
*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 history record
Work on a gas line.
Gas
Jun 11, 2016 • Final
Building history record
Work on a reroof.
Roofing
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: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Poor
Property Information
Subdivision Name: MESA GRANDE
Living Sq. Ft: 720
Ground Floor Sq. Ft: 720
Building Sq. Ft: 720
# of Stories: 1
Legal Description: LOT 63, MESA GRANDE
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,200
Legal Lot Number: 63
Acres: 0.0735
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 720
Stories: 1.0
Lot Size: 3,200 square feet
Style: Single Family Residential
Year Built: 1910
Year Renovated: 1980
County: Sonoma County
APN: 095054002000
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 • 11.6mi
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
9 days above 84° 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
77
53
82
53
77
55
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
$394,000 – $477,000
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