21912 Russian River Ave is a 842 square foot house on a 0.67 acre lot with 1 bedroom and 1 bathroom. - it last sold on January 19, 1996 for $130,000. Based on Redfin's Monte Rio data, we estimate the home's value is $547,011.
Single-familyProperty Type
1915Year Built
0.67 acresLot Size
$650Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$547,011
$417K since sold in January 1996$14K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.8% higher than the average sale price ($498K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
May 31, 2024 • Final
Building permit no plan check
Gas
Jun 11, 2016 • Final
Building permit with plan check
Construct a detached garage with an attached carport.
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
Bathroom Information
# of Full Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Fair
Property Information
Subdivision Name: MESA GRANDE
Living Sq. Ft: 842
Building Sq. Ft: 842
# of Stories: 1
Legal Description: 2010 FM 095-041-013 & 024 FM 09-0007
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 320
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 29,380
Legal Lot Number: 18,19
Acres: 0.6745
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 842
Stories: 1.0
Lot Size: 0.67 acres
Style: Single Family Residential
Year Built: 1915
Year Renovated: 1921
County: Sonoma County
APN: 095041027000
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
8 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
46
74
49
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77
53
82
53
77
55
75
49
62
45
58
44
Jan
Feb
Mar
Apr
May
Jun
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Aug
Sep
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
$520,000 – $630,000
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