21922 Willow Way is a 1,165 square foot house on a 6,400 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's Monte Rio data, we estimate the home's value is $512,177.
Single-familyProperty Type
1910Year Built
6,400 sq ftLot Size
$440Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$512,177
$2,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.3% lower than the average sale price ($529K) 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
$2,085 (+2.9%)
$46,188 + $85,469
$131,657
2024
$2,025 (+1.7%)
$45,283 + $83,794
$129,077
2023
$1,991 (+2.0%)
$44,396 + $82,151
$126,547
2022
$1,953 (+1.1%)
$43,526 + $80,541
$124,067
2021
$1,932 (−2.5%)
$42,673 + $78,962
$121,635
2020
$1,981 (+9.2%)
$41,837 + $77,414
$119,251
2019
$1,815 (+16.5%)
$41,409 + $76,621
$118,030
2018
$1,558 (+3.7%)
$40,598 + $75,119
$115,717
2017
$1,502 (+1.9%)
$39,022 + $72,203
$111,225
2015
$1,474 (+1.7%)
$38,257 + $70,788
$109,045
2014
$1,450 (+0.3%)
$36,945 + $68,360
$105,305
2013
$1,446 (+3.0%)
$36,945 + $68,360
$105,305
2012
$1,404 (+1.6%)
$36,779 + $68,052
$104,831
2011
$1,382 (+0.8%)
$36,058 + $66,718
$102,776
2010
$1,370 (−0.4%)
$35,351 + $65,410
$100,761
2009
$1,376 (−2.0%)
$35,087 + $64,922
$100,009
2007
$1,405
$34,482 + $63,801
$98,283
Tax history for 21922 Willow Way
Year
Property tax
Land + Additions
Assessment*
2025
$2,085 (+2.9%)
$46,188 + $85,469
$131,657
2024
$2,025 (+1.7%)
$45,283 + $83,794
$129,077
2023
$1,991 (+2.0%)
$44,396 + $82,151
$126,547
2022
$1,953 (+1.1%)
$43,526 + $80,541
$124,067
2021
$1,932 (−2.5%)
$42,673 + $78,962
$121,635
2020
$1,981 (+9.2%)
$41,837 + $77,414
$119,251
2019
$1,815 (+16.5%)
$41,409 + $76,621
$118,030
2018
$1,558 (+3.7%)
$40,598 + $75,119
$115,717
2017
$1,502 (+1.9%)
$39,022 + $72,203
$111,225
2015
$1,474 (+1.7%)
$38,257 + $70,788
$109,045
2014
$1,450 (+0.3%)
$36,945 + $68,360
$105,305
2013
$1,446 (+3.0%)
$36,945 + $68,360
$105,305
2012
$1,404 (+1.6%)
$36,779 + $68,052
$104,831
2011
$1,382 (+0.8%)
$36,058 + $66,718
$102,776
2010
$1,370 (−0.4%)
$35,351 + $65,410
$100,761
2009
$1,376 (−2.0%)
$35,087 + $64,922
$100,009
2007
$1,405
$34,482 + $63,801
$98,283
*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 with plan check
Addition
Jun 11, 2016 • Final
Building permit no plan check
Plumbing
Water heater
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: 713
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: MESA GRANDE
Living Sq. Ft: 1,165
Building Sq. Ft: 1,669
# of Stories: 1
Legal Description: LOTS 98 & 99, MESA GRANDE
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,400
Legal Lot Number: 98
Acres: 0.1469
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,165
Stories: 1.0
Lot Size: 6,400 square feet
Style: Single Family Residential
Year Built: 1910
Year Renovated: 1918
County: Sonoma County
APN: 095042003000
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
$487,000 – $590,000
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