21839 Russian River Ave is a 1,497 square foot house on a 8,000 square foot lot with 2 bedrooms and 2 bathrooms. - it last sold on August 15, 2014 for $410,000. Based on Redfin's Monte Rio data, we estimate the home's value is $668,145.
Single-familyProperty Type
1920Year Built
8,000 sq ftLot Size
$446Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$668,145
$258K since sold in August 2014$13K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.6% higher than the average sale price ($615K) of 6 comparable homes.
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Earn from this home
Sell
$394,535
Est. take-home
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Refinance
$0
Est. cash available
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Rent
$2,622/mo
Redfin rental estimate
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Market trends in 95486, CA
Last updated October 2026
Buyer's Market
Seller's Market
Seller's market
Sale-to-list price
97.6%
0.0% MoM
Median sale price
$612K
$0 MoM
Avg. days on market
118d
0 days MoM
Recently sold homes
2
0 MoM
Provided by Redfin
Sale history for 21839 Russian River Ave
Date
Event
Price
Public Records
Aug 15, 2014
Sold
$410,000
$274/sq ft
Public Records
Jul 12, 1990
Sold
$90,000
$60/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$6,225 (+4.2%)
$183,876 + $318,726
$502,602
2024
$5,974 (+1.9%)
$180,271 + $312,477
$492,748
2023
$5,861 (+2.0%)
$176,737 + $306,350
$483,087
2022
$5,745 (+1.3%)
$173,272 + $300,344
$473,616
2021
$5,672 (−0.5%)
$169,875 + $294,455
$464,330
2020
$5,698 (+2.8%)
$166,545 + $288,682
$455,227
2019
$5,545 (+8.0%)
$164,838 + $285,722
$450,560
2018
$5,133 (+4.5%)
$161,606 + $280,120
$441,726
2017
$4,910 (+4.3%)
$155,332 + $269,244
$424,576
2015
$4,710 (+125.9%)
$152,287 + $263,965
$416,252
2014
$2,085 (+0.3%)
$58,938 + $107,040
$165,978
2013
$2,079 (+2.6%)
$58,938 + $107,040
$165,978
2012
$2,026 (+19.7%)
$58,672 + $106,557
$165,229
2011
$1,693 (+0.9%)
$57,522 + $104,468
$161,990
2010
$1,678 (+5.0%)
$56,395 + $73,989
$130,384
2009
$1,597 (+2.1%)
$55,974 + $73,437
$129,411
2007
$1,564
$55,007 + $58,444
$113,451
Tax history for 21839 Russian River Ave
Year
Property tax
Land + Additions
Assessment*
2025
$6,225 (+4.2%)
$183,876 + $318,726
$502,602
2024
$5,974 (+1.9%)
$180,271 + $312,477
$492,748
2023
$5,861 (+2.0%)
$176,737 + $306,350
$483,087
2022
$5,745 (+1.3%)
$173,272 + $300,344
$473,616
2021
$5,672 (−0.5%)
$169,875 + $294,455
$464,330
2020
$5,698 (+2.8%)
$166,545 + $288,682
$455,227
2019
$5,545 (+8.0%)
$164,838 + $285,722
$450,560
2018
$5,133 (+4.5%)
$161,606 + $280,120
$441,726
2017
$4,910 (+4.3%)
$155,332 + $269,244
$424,576
2015
$4,710 (+125.9%)
$152,287 + $263,965
$416,252
2014
$2,085 (+0.3%)
$58,938 + $107,040
$165,978
2013
$2,079 (+2.6%)
$58,938 + $107,040
$165,978
2012
$2,026 (+19.7%)
$58,672 + $106,557
$165,229
2011
$1,693 (+0.9%)
$57,522 + $104,468
$161,990
2010
$1,678 (+5.0%)
$56,395 + $73,989
$130,384
2009
$1,597 (+2.1%)
$55,974 + $73,437
$129,411
2007
$1,564
$55,007 + $58,444
$113,451
*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 with plan check
Addition
New construction
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: 2
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Heat Pump
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 4
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Raised W/Crawlspace
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Exterior Wall: Wood Shake/Shingle
Property Information
Subdivision Name: MEDA
Living Sq. Ft: 1,497
Building Sq. Ft: 1,977
# of Stories: 1
Legal Description: LOTS 57 & 58, MESA GRANDE
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 480
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,000
Legal Lot Number: 57
Acres: 0.1837
Zoning Code: RR1
County Use Description: SFD W/GRANNY UNIT
Utility Information
Sewer Type: Septic
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,497
Stories: 1.0
Lot Size: 8,000 square feet
Style: Single Family Residential
Year Built: 1920
Year Renovated: 2005
County: Sonoma County
APN: 095055003000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
K - 12
Preschool & daycare
Monte Rio Elementary School
Public K-8 • Assigned • 0.5mi
7/10
Analy High School
Public 9-12 • Assigned • 11.5mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.46% chance of being in a wildfire in next 30 years
2/10 Heat Factor
9 days above 84° expected this year, 23 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
70
50
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
$635,000 – $769,000
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