505 Windsor River Rd is a 1,288 square foot house on a 7,000 square foot lot with 3 bedrooms and 1 bathroom. Based on Redfin's Windsor data, we estimate the home's value is $603,755.
Single-familyProperty Type
1970Year Built
7,000 sq ftLot Size
$469Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$603,755
$3,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12% lower than the average sale price ($686K) 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
$1,414 (+1.9%)
$12,675 + $77,580
$90,255
2024
$1,388 (+1.7%)
$12,427 + $76,059
$88,486
2023
$1,366 (+1.7%)
$12,184 + $74,568
$86,752
2022
$1,343 (+1.4%)
$11,946 + $73,106
$85,052
2021
$1,325 (−1.5%)
$11,712 + $71,673
$83,385
2020
$1,345 (+0.3%)
$11,483 + $70,268
$81,751
2019
$1,342 (+1.2%)
$11,366 + $69,548
$80,914
2018
$1,325 (+0.6%)
$11,144 + $68,185
$79,329
2017
$1,317 (+8.5%)
$10,712 + $65,539
$76,251
2015
$1,214 (+1.3%)
$10,502 + $64,254
$74,756
2014
$1,199 (−0.1%)
$10,143 + $62,050
$72,193
2013
$1,200 (+1.1%)
$10,143 + $62,050
$72,193
2012
$1,187 (+1.3%)
$10,098 + $61,770
$71,868
2011
$1,171 (+1.8%)
$9,900 + $60,559
$70,459
2010
$1,150 (+0.5%)
$9,706 + $59,372
$69,078
2009
$1,145 (+3.1%)
$9,634 + $58,929
$68,563
2007
$1,110
$9,468 + $57,911
$67,379
Tax history for 505 Windsor River Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,414 (+1.9%)
$12,675 + $77,580
$90,255
2024
$1,388 (+1.7%)
$12,427 + $76,059
$88,486
2023
$1,366 (+1.7%)
$12,184 + $74,568
$86,752
2022
$1,343 (+1.4%)
$11,946 + $73,106
$85,052
2021
$1,325 (−1.5%)
$11,712 + $71,673
$83,385
2020
$1,345 (+0.3%)
$11,483 + $70,268
$81,751
2019
$1,342 (+1.2%)
$11,366 + $69,548
$80,914
2018
$1,325 (+0.6%)
$11,144 + $68,185
$79,329
2017
$1,317 (+8.5%)
$10,712 + $65,539
$76,251
2015
$1,214 (+1.3%)
$10,502 + $64,254
$74,756
2014
$1,199 (−0.1%)
$10,143 + $62,050
$72,193
2013
$1,200 (+1.1%)
$10,143 + $62,050
$72,193
2012
$1,187 (+1.3%)
$10,098 + $61,770
$71,868
2011
$1,171 (+1.8%)
$9,900 + $60,559
$70,459
2010
$1,150 (+0.5%)
$9,706 + $59,372
$69,078
2009
$1,145 (+3.1%)
$9,634 + $58,929
$68,563
2007
$1,110
$9,468 + $57,911
$67,379
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
MDR
Medium Density Residential Zone
The MDR zone is intended for areas appropriate for multi-unit dwellings and is suitable near activity centers and along major thoroughfares. This zone allows for a variety of residential opportunities including small single unit dwellings, row houses, townhomes, and small apartment complexes. The allowable density ranges from 8 to 16 dwelling units per acre. The MDR zone is consistent with the Medium Density Residential MDR and Mobile Home Park MHP land use designations in the General Plan.
Permitted uses
Include but are not limited to:
Livestock production
Housing-Group
Housing-Single unit
Housing-Multiple units
Housing-Other
Infrastructure
Public service
Apr 28, 2023 • Final
Residential solar
Install a roof-mounted photovoltaic system with solar panels on a residential building.
Electrical
Solar
Nov 2, 2021 • Final
Residential solar
Install a roof-mounted solar photovoltaic system with panels on a residential building.
Electrical
Solar
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: 4
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: MARTIN ADD
Living Sq. Ft: 1,288
Ground Floor Sq. Ft: 1,288
Building Sq. Ft: 1,288
# of Stories: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 264
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,000
Legal Lot Number: 9
Legal Block Number: 2
Acres: 0.1607
Zoning Code: CITYWI
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,288
Stories: 1.0
Lot Size: 7,000 square feet
Style: Single Family Residential
Year Built: 1970
Year Renovated: 1972
County: Sonoma County
APN: 066070022000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Brooks Elementary School
Public 3-5 • Assigned • 0.8mi
3/10
Windsor Middle School
Public 6-8 • Assigned • 1.0mi
6/10
Windsor High School
Public 9-12 • Assigned • 0.4mi
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
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 92° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
18 unhealthy days expected this year, 20 days in 30 years
Provided by First Street
Historical weather
Windsor, CA • 95492
Average low and high temperatures (°F)
62
39
63
43
72
45
70
47
78
51
80
53
79
53
87
53
84
54
78
50
64
44
58
42
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.2 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$574,000 – $695,000
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