20629 Monte Rio Ave is a 378 square foot house on a 4,500 square foot lot with 1 bedroom and 1 bathroom. Based on Redfin's Monte Rio data, we estimate the home's value is $295,514.
Single-familyProperty Type
1951Year Built
4,500 sq ftLot Size
$782Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$295,514
$0 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 28.7% lower than the average sale price ($414K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,059 (+4.1%)
$13,679 + $23,568
$37,247
2024
$1,018 (+1.4%)
$13,411 + $23,106
$36,517
2023
$1,004 (+1.9%)
$13,149 + $22,653
$35,802
2022
$986 (+0.8%)
$12,892 + $22,209
$35,101
2021
$978 (−5.4%)
$12,640 + $21,774
$34,414
2020
$1,033 (+7.5%)
$12,393 + $21,348
$33,741
2019
$962 (+29.6%)
$12,266 + $21,130
$33,396
2018
$742 (+2.2%)
$12,026 + $20,716
$32,742
2017
$726 (−2.0%)
$11,560 + $19,912
$31,472
2015
$741 (+1.0%)
$11,334 + $19,522
$30,856
2014
$734 (+0.2%)
$10,946 + $18,853
$29,799
2013
$733 (+4.0%)
$10,946 + $18,853
$29,799
2012
$704 (+42.9%)
$10,897 + $18,768
$29,665
2011
$493 (+0.2%)
$10,684 + $18,400
$29,084
2010
$492 (−0.1%)
$1,341 + $7,648
$8,989
2009
$492 (−8.7%)
$1,331 + $7,591
$8,922
2007
$539
$1,309 + $7,461
$8,770
Tax history for 20629 Monte Rio Ave
Year
Property tax
Land + Additions
Assessment*
2025
$1,059 (+4.1%)
$13,679 + $23,568
$37,247
2024
$1,018 (+1.4%)
$13,411 + $23,106
$36,517
2023
$1,004 (+1.9%)
$13,149 + $22,653
$35,802
2022
$986 (+0.8%)
$12,892 + $22,209
$35,101
2021
$978 (−5.4%)
$12,640 + $21,774
$34,414
2020
$1,033 (+7.5%)
$12,393 + $21,348
$33,741
2019
$962 (+29.6%)
$12,266 + $21,130
$33,396
2018
$742 (+2.2%)
$12,026 + $20,716
$32,742
2017
$726 (−2.0%)
$11,560 + $19,912
$31,472
2015
$741 (+1.0%)
$11,334 + $19,522
$30,856
2014
$734 (+0.2%)
$10,946 + $18,853
$29,799
2013
$733 (+4.0%)
$10,946 + $18,853
$29,799
2012
$704 (+42.9%)
$10,897 + $18,768
$29,665
2011
$493 (+0.2%)
$10,684 + $18,400
$29,084
2010
$492 (−0.1%)
$1,341 + $7,648
$8,989
2009
$492 (−8.7%)
$1,331 + $7,591
$8,922
2007
$539
$1,309 + $7,461
$8,770
*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 history record
Work on the electrical service.
Electrical
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
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: EAST MONTE RIO
Living Sq. Ft: 378
Ground Floor Sq. Ft: 378
Building Sq. Ft: 378
# of Stories: 1
Legal Description: LOT 15, TIER C , EAST MONTE RIO
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,500
Legal Lot Number: 15
Acres: 0.1033
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 378
Stories: 1.0
Lot Size: 4,500 square feet
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1985
County: Sonoma County
APN: 095181011000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Places
Transit
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
8 days above 86° expected this year, 21 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
$281,000 – $340,000
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