431 Trowbridge St is a 512 square foot house on a 8,400 square foot lot with 1 bedroom and 1 bathroom. - it last sold on January 13, 2017 for $299,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $425,667.
Single-familyProperty Type
1946Year Built
8,400 sq ftLot Size
$831Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$425,667
$127K since sold in January 2017$19K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 25% lower than the average sale price ($568K) 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
R-1-6
Single-Family Residential District - 6,000 sq ft
The R-1 zoning district is applied to areas of the City intended to be maintained as residential neighborhoods comprised of detached and attached single-family houses, clustered Residential hillside projects, and small multi-family projects, together with compatible accessory uses. The maximum allowable density ranges from two to 13 dwellings per acre, with the specific allowable density for each parcel shown on the zoning map by a numerical suffix to the R-1 map symbol see Section 20-22.040. The R-1 zoning district implements and is consistent with the Residential Very Low Density where residential clustered on hillsides is desirable, Low Density or Open Space, Low Density, and Medium Low Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Agriculture-Other
Day care facility
Healthcare-Other
Housing-Single unit
Housing-Student
Housing-Other
Infrastructure-Other
Housing-Mobile home park
Jan 22, 2020 • Final
Residential addition-alteration
Replace the perimeter foundation in designated areas. Perform additional foundation work at the front of the house and under the porch.
Addition
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
Heating & Cooling
Heating Type: Wall Furnace
Room Information
# of Rooms: 2
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Poor
Exterior Wall: Wood Siding
Property Information
Subdivision Name: TROWBRIDGE & DOYLES ADD/SANTA
Living Sq. Ft: 512
Ground Floor Sq. Ft: 512
Building Sq. Ft: 656
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 1
Garage/Parking Sq. Ft: 144
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,400
Legal Lot Number: 10,11
Legal Block Number: 1
Acres: 0.1928
Zoning Code: CITYSR
County Use Description: SINGLE FAM DWELLING
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 512
Stories: 1.0
Lot Size: 8,400 square feet
Style: Single Family Residential
Year Built: 1946
Year Renovated: 1946
County: Sonoma County
APN: 010491008000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Abraham Lincoln Elementary School
Public K-6 • Assigned • 0.4mi
2/10
Santa Rosa Middle School
Public 7-8 • Assigned • 1.2mi
2/10
Santa Rosa High School
Public 9-12 • Assigned • 1.0mi
6/10
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
4/10 Heat Factor
7 days above 93° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95401
Average low and high temperatures (°F)
63
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42
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77
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85
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83
54
79
49
65
44
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42
Jan
Feb
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May
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Sun exposure
In this area, properties receive around 11.1 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$405,000 – $490,000
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