850 Windsor River Rd is a 1,283 square foot house on a 0.94 acre lot with 3 bedrooms and 1 bathroom. - it last sold on June 01, 2007 for $518,000. Based on Redfin's Windsor data, we estimate the home's value is $697,374.
Single-familyProperty Type
1953Year Built
0.94 acresLot Size
$544Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$697,374
$179K since sold in June 2007$11K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.9% lower than the average sale price ($726K) of 6 comparable homes.
*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
SR
Surrounding Residential Zone
The SR zone is intended for areas appropriate for a mixture of housing types. The primary housing type is single-unit dwellings; however, duplexes and triplexes are encouraged within the allowable density range. The allowable density ranges from 3 to 6 dwelling units per acre. The SR zone is consistent with the Very Low Density Residential (VLDR) land use designation 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
Sep 14, 2021 • Final
Residential solar
Install a roof-mounted solar photovoltaic system with modules and microinverters.
Electrical
Solar
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: 5
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,283
Ground Floor Sq. Ft: 1,283
Building Sq. Ft: 1,883
# of Stories: 1
Legal Description: 88 FM 66-180-16 #CHG PER MD
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 480
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 41,040
Acres: 0.9421
Zoning Code: CITYWI
County Use Description: RURAL RESID-2+ RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,283
Stories: 1.0
Lot Size: 0.94 acres
Style: Single Family Residential
Year Built: 1953
Year Renovated: 1956
County: Sonoma County
APN: 066502004000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Brooks Elementary School
Public 3-5 • Assigned • 1.0mi
3/10
Windsor Middle School
Public 6-8 • Assigned • 1.3mi
6/10
Windsor High School
Public 9-12 • Assigned • 0.5mi
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
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
4/10 Heat Factor
6 days above 92° expected this year, 14 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
$663,000 – $802,000
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