3925 Sumner Ln is a 1,570 square foot house on a 0.7 acre lot with 3 bedrooms and 1 bathroom. - it last sold on April 23, 2013 for $410,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $795,147.
Single-familyProperty Type
1923Year Built
0.7 acresLot Size
$506Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$795,147
$385K since sold in April 2013$18K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.8% lower than the average sale price ($818K) 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-3-18
Multi-Family Residential District - 18 du per acre
The R-3 zoning districts are applied to areas of the City appropriate for residential neighborhoods with medium and higher residential densities, to provide home rental and ownership opportunities, and to provide a full range of choices in housing types to improve access to affordable housing. The maximum allowable density ranges from 8 to 30 dwellings per acre, with the specific allowable density for each parcel shown on the zoning map by a numerical suffix to the R-3 map symbol see Section 20-22.040. Densities of more than 30 dwellings per acre may be allowed within the Mixed Use land use designation of the General Plan; The R-3 zoning districts implement and are consistent with the Residential Medium Density and Medium High Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Agriculture-Other
Day care facility
Healthcare-Other
Housing-Group
Housing-Multiple units
Housing-Student
Housing-Other
Infrastructure-Other
Housing-Mobile home park
Feb 12, 2024 • Final
Residential addition-alteration
Install a roof-mounted solar system on a residential building.
Electrical
Solar
Nov 17, 2023 • Active
Residential electrical
Upgrade the main electrical service panel.
Electrical
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
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: CODDINGTOWN SUB #1 UN #8
Living Sq. Ft: 1,570
Ground Floor Sq. Ft: 1,570
Building Sq. Ft: 1,890
# of Stories: 1
Legal Description: 1971 FORM 13-331-36 PT TO 48&49 PER MAP DEPT
Lot Information
# of Buildings: 1
Land Sq. Ft: 30,600
Legal Lot Number: 24
Acres: 0.7025
Zoning Code: CITYSR
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,570
Stories: 1.0
Lot Size: 0.7 acres
Style: Single Family Residential
Year Built: 1923
Year Renovated: 1923
County: Sonoma County
APN: 013331047000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Spring Lake Charter
Charter K-8 • Assigned • 0.2mi
6/10
Montgomery High School
Public 9-12 • Assigned • 1.2mi
7/10
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
0.46% chance of being 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 • 95405
Average low and high temperatures (°F)
63
41
63
43
71
46
69
46
77
50
80
53
79
53
86
55
83
55
78
52
64
45
59
43
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
$756,000 – $915,000
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