421 Watertrough Rd is a 944 square foot house on a 0.45 acre lot with 2 bedrooms and 2 bathrooms. - it last sold on July 16, 2004 for $500,000. Based on Redfin's Sebastopol data, we estimate the home's value is $890,398.
Single-familyProperty Type
1951Year Built
0.45 acresLot Size
$943Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$890,398
$390K since sold in July 2004$7,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.9% higher than the average sale price ($857K) 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
DA B6 10
SR
RC 100'
Diverse Agriculture B6 Combining District 10 Acres
DA: Enhances and protects land where soil, climate, and water conditions support farming but where small acreage intensive farming and part-time farming activities are predominant, and where farming may not be the principal occupation of the farmer; Implement the diverse agriculture land use category of the general plan and the policies of the Agricultural Resource Element.; B6: To specify residential density and/or minimum parcel or lot size for a particular parcel, lot or area.
Zone overlays
Scenic Resources Combining District
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Greenhouse / nursery
Day care facility
Housing-Group
Housing-Single unit
Theater / performing arts facility
Agriculture-Cropland
Park & open space
Timberland
Oct 13, 2023 • Final
Building permit no plan check
Electrical
Mar 6, 2020 • Final
Building permit no plan check
HVAC
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
Heating & Cooling
Heating Fuel Type: Electric
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Slab
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Exterior Wall: Wood Siding
Property Information
Living Sq. Ft: 944
Ground Floor Sq. Ft: 948
Building Sq. Ft: 1,256
# of Stories: 1
Legal Description: 1969 FORM 77-160-20 PT TO CO RD OR 2335-416
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 312
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 19,500
Acres: 0.4477
Depth Footage: 195
Front Footage: 100
Zoning Code: DA10
County Use Description: RURAL RESID-1 RESID
Utility Information
Sewer Type: Septic
Water Service Type: Commercial
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 944
Stories: 1.0
Lot Size: 0.45 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1995
County: Sonoma County
APN: 077160037000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Apple Blossom School
Public K-5 • Assigned • 0.2mi
7/10
Twin Hills Charter Middle School
Charter 6-8 • Assigned • 1.1mi
9/10
Analy High School
Public 9-12 • Assigned • 1.7mi
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
3/10 Heat Factor
7 days above 89° expected this year, 17 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
Sebastopol, CA • 95472
Average low and high temperatures (°F)
61
41
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69
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46
73
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74
52
82
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79
53
76
50
63
46
57
44
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Dec
Sun exposure
In this area, properties receive around 10.8 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
10.8 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$846,000 – $1.02M
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