20220 Alder Rd is a 1,857 square foot house on a 0.31 acre lot with 3 bedrooms and 2.5 bathrooms. Based on Redfin's Monte Rio data, we estimate the home's value is $759,156.
Single-familyProperty Type
1961Year Built
0.31 acresLot Size
$409Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$759,156
$65K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.6% higher than the average sale price ($726K) 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
$4,112 (+2.4%)
$96,673 + $221,706
$318,379
2024
$4,017 (+1.9%)
$94,778 + $217,359
$312,137
2023
$3,943 (+2.0%)
$92,920 + $213,098
$306,018
2022
$3,866 (+1.2%)
$91,099 + $208,920
$300,019
2021
$3,818 (−1.0%)
$89,313 + $204,824
$294,137
2020
$3,856 (+3.2%)
$87,562 + $200,808
$288,370
2019
$3,735 (+9.9%)
$86,665 + $198,749
$285,414
2018
$3,399 (+4.3%)
$84,966 + $194,852
$279,818
2017
$3,258 (+6.2%)
$81,667 + $187,287
$268,954
2015
$3,069 (+1.9%)
$80,066 + $183,615
$263,681
2014
$3,012 (+0.3%)
$77,320 + $177,315
$254,635
2013
$3,003 (+2.4%)
$77,320 + $177,315
$254,635
2012
$2,934 (+1.8%)
$76,971 + $176,514
$253,485
2011
$2,881 (+1.0%)
$75,462 + $173,053
$248,515
2010
$2,852 (−0.5%)
$73,983 + $169,660
$243,643
2009
$2,868
$73,431 + $168,393
$241,824
2007
$2,867
$72,163 + $165,485
$237,648
Tax history for 20220 Alder Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,112 (+2.4%)
$96,673 + $221,706
$318,379
2024
$4,017 (+1.9%)
$94,778 + $217,359
$312,137
2023
$3,943 (+2.0%)
$92,920 + $213,098
$306,018
2022
$3,866 (+1.2%)
$91,099 + $208,920
$300,019
2021
$3,818 (−1.0%)
$89,313 + $204,824
$294,137
2020
$3,856 (+3.2%)
$87,562 + $200,808
$288,370
2019
$3,735 (+9.9%)
$86,665 + $198,749
$285,414
2018
$3,399 (+4.3%)
$84,966 + $194,852
$279,818
2017
$3,258 (+6.2%)
$81,667 + $187,287
$268,954
2015
$3,069 (+1.9%)
$80,066 + $183,615
$263,681
2014
$3,012 (+0.3%)
$77,320 + $177,315
$254,635
2013
$3,003 (+2.4%)
$77,320 + $177,315
$254,635
2012
$2,934 (+1.8%)
$76,971 + $176,514
$253,485
2011
$2,881 (+1.0%)
$75,462 + $173,053
$248,515
2010
$2,852 (−0.5%)
$73,983 + $169,660
$243,643
2009
$2,868
$73,431 + $168,393
$241,824
2007
$2,867
$72,163 + $165,485
$237,648
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Oct 23, 2025 • Final
Building permit with plan check
Perform an interior remodel of a single-family home including new kitchen counters, cabinets, and fixtures. Shorten a bearing wall and add a new beam in the attic with supporting posts. Install new insulation, electrical, plumbing, and lighting.
Electrical
Kitchen
Plumbing
Remodel
Jun 11, 2016 • Final
Building history record
Work on electrical systems.
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: 2
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Subdivision Name: STARRETT 51
Living Sq. Ft: 1,857
Ground Floor Sq. Ft: 1,857
Building Sq. Ft: 2,495
# of Stories: 1
Legal Description: 75 FORM 095-242-03 C/W 95-233-31 M/D
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 638
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 13,500
Legal Lot Number: 56
Acres: 0.3099
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,857
Stories: 1.0
Lot Size: 0.31 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: 1980
County: Sonoma County
APN: 095242004000
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
5/10 Flood Factor
Estimated 19-29% chance of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
3/10 Heat Factor
10 days above 86° expected this year, 27 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
$722,000 – $874,000
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