21928 Willow Way is a 761 square foot house on a 2,754 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's Monte Rio data, we estimate the home's value is $460,746.
Single-familyProperty Type
1921Year Built
2,754 sq ftLot Size
$605Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$460,746
$87K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 29.6% higher than the average sale price ($356K) of 5 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
$828 (+4.7%)
$53,485 + $140,640
$194,125
2024
$791 (+1.2%)
$4,873 + $10,765
$15,638
2023
$781 (+1.8%)
$4,778 + $10,554
$15,332
2022
$767 (+0.6%)
$4,685 + $10,348
$15,033
2021
$763 (−7.0%)
$4,594 + $10,146
$14,740
2020
$820 (+9.1%)
$4,504 + $9,948
$14,452
2019
$752 (+38.9%)
$4,458 + $9,846
$14,304
2018
$541 (+1.3%)
$4,371 + $9,653
$14,024
2017
$534 (−4.5%)
$4,202 + $9,279
$13,481
2015
$559 (+0.5%)
$4,120 + $9,098
$13,218
2014
$556 (+0.2%)
$3,980 + $8,787
$12,767
2013
$555 (+4.8%)
$3,980 + $8,787
$12,767
2012
$530 (+0.6%)
$3,963 + $8,748
$12,711
2011
$527 (+0.3%)
$3,886 + $8,577
$12,463
2010
$525 (−0.2%)
$3,810 + $8,409
$12,219
2009
$526 (−8.1%)
$3,782 + $8,347
$12,129
2007
$572
$3,717 + $8,203
$11,920
Tax history for 21928 Willow Way
Year
Property tax
Land + Additions
Assessment*
2025
$828 (+4.7%)
$53,485 + $140,640
$194,125
2024
$791 (+1.2%)
$4,873 + $10,765
$15,638
2023
$781 (+1.8%)
$4,778 + $10,554
$15,332
2022
$767 (+0.6%)
$4,685 + $10,348
$15,033
2021
$763 (−7.0%)
$4,594 + $10,146
$14,740
2020
$820 (+9.1%)
$4,504 + $9,948
$14,452
2019
$752 (+38.9%)
$4,458 + $9,846
$14,304
2018
$541 (+1.3%)
$4,371 + $9,653
$14,024
2017
$534 (−4.5%)
$4,202 + $9,279
$13,481
2015
$559 (+0.5%)
$4,120 + $9,098
$13,218
2014
$556 (+0.2%)
$3,980 + $8,787
$12,767
2013
$555 (+4.8%)
$3,980 + $8,787
$12,767
2012
$530 (+0.6%)
$3,963 + $8,748
$12,711
2011
$527 (+0.3%)
$3,886 + $8,577
$12,463
2010
$525 (−0.2%)
$3,810 + $8,409
$12,219
2009
$526 (−8.1%)
$3,782 + $8,347
$12,129
2007
$572
$3,717 + $8,203
$11,920
*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 permit no plan check
Replace the electrical water heater in a single-family home.
Plumbing
Water heater
Jun 11, 2016 • Final
Building history record
Work on a reroof.
Roofing
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: 3
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Poor
Property Information
Subdivision Name: RUSSIAN AVE & WILLOW WAY
Living Sq. Ft: 761
Ground Floor Sq. Ft: 761
Building Sq. Ft: 761
# of Stories: 1
Legal Description: LOT 102, MESA GRANDE
Parking & Garage Information
Garage/Parking Sq. Ft: 148
Lot Information
# of Buildings: 1
Land Sq. Ft: 2,754
Legal Lot Number: 102
Acres: 0.0632
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 761
Stories: 1.0
Lot Size: 2,754 square feet
Style: Single Family Residential
Year Built: 1921
Year Renovated: 1975
County: Sonoma County
APN: 095042001000
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 • 11.6mi
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
8 days above 84° expected this year, 22 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
82
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
$438,000 – $530,000
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