21892 Russian River Ave is a 770 square foot house on a 3,200 square foot lot with 1 bedroom and 1 bathroom. - it last sold on September 04, 1981 for $57,000. Based on Redfin's Monte Rio data, we estimate the home's value is $465,532.
Single-familyProperty Type
1910Year Built
3,200 sq ftLot Size
$605Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$465,532
$409K since sold in September 1981$14K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 22.9% higher than the average sale price ($379K) 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
Nov 21, 2018 • Final
Building permit no plan check
Electrical
Jun 11, 2016 • Final
Building history record
Construct a foundation for a single-family home.
New construction
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: 901
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: Fair
Property Information
Subdivision Name: MESA GRANDE
Living Sq. Ft: 770
Ground Floor Sq. Ft: 770
Building Sq. Ft: 770
# of Stories: 1
Legal Description: MESA GRANDE LOT 27
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,200
Legal Lot Number: 27
Acres: 0.0735
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 770
Stories: 1.0
Lot Size: 3,200 square feet
Style: Single Family Residential
Year Built: 1910
Year Renovated: 1924
County: Sonoma County
APN: 095051003000
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 • 11.7mi
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 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
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43
69
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66
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74
49
75
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73
52
82
53
78
53
75
49
62
45
58
44
Jan
Feb
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Apr
May
Jun
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Aug
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Oct
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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
$443,000 – $536,000
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