21075 River Blvd #1 is a 1,552 square foot multi-family home on a 0.43 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on October 23, 2007 for $250,000. Based on Redfin's Monte Rio data, we estimate the home's value is $600,775.
Multi-familyProperty Type
1948Year Built
0.43 acresLot Size
$387Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$600,775
$351K since sold in October 2007$64K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 23.1% lower than the average sale price ($781K) 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.
Zoning
LC
VOH
SR
Limited Commercial District
The LC zone provides areas for retail sales and services necessary for the daily self-sufficiency of urban and rural areas in keeping with their character.
Zone overlays
Valley Oak Habitat Combining District
Scenic Resources Combining District
Permitted uses
Include but are not limited to:
Livestock production
Bank
Housing-Group
Housing-Other
Hotel / motel
Office
Medical office
Property details
Interior
Bathroom Information
# of Full Baths: 4
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,552
Building Sq. Ft: 2,538
# of Stories: 1
Legal Description: TWP 07N RGE 10W SEC 07 QTR SE4
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 986
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 18,700
Acres: 0.4293
County Use Description: 4 UNITS-2+ STRUCT
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 1,552
Stories: 1.0
Lot Size: 0.43 acres
Style: Multi-Family (2-4 Unit)
Year Built: 1948
Year Renovated: 1990
County: Sonoma County
APN: 095170028000
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 • 10.6mi
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
2/10 Fire Factor
0.00% chance of being in a wildfire in next 30 years
2/10 Heat Factor
10 days above 86° expected this year, 26 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
44
66
46
74
49
75
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73
52
82
53
78
53
75
49
62
45
58
44
Jan
Feb
Mar
Apr
May
Jun
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Aug
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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
$571,000 – $691,000
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