20800 Monte Rio Ave is a 1,375 square foot house on a 7,938 square foot lot with 2 bedrooms and 2 bathrooms. Based on Redfin's Monte Rio data, we estimate the home's value is $645,482.
Single-familyProperty Type
2004Year Built
7,938 sq ftLot Size
$469Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$645,482
$29K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.7% lower than the average sale price ($757K) 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
Jun 11, 2016 • Final
Demolition
Demolition
Jun 11, 2016 • Final
Building permit with plan check
Install fire sprinklers in a residential building.
Fire sprinkler
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: 288
Bathroom Information
# of Full Baths: 2
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: RIVER VIEW ADD
Living Sq. Ft: 1,375
Ground Floor Sq. Ft: 432
Building Sq. Ft: 1,375
# of Stories: 3
Legal Description: LOT 3,4
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,938
Legal Lot Number: 3
Acres: 0.1822
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,375
Stories: 3.0
Lot Size: 7,938 square feet
Style: Single Family Residential
Year Built: 2004
Year Renovated: 2005
County: Sonoma County
APN: 096080008000
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 • 10.5mi
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 86° expected this year, 25 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
73
52
81
53
78
53
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
$614,000 – $743,000
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