2635 Alton Ln is a 1,254 square foot house on a 1.21 acre lot with 3 bedrooms and 1.5 bathrooms. - it last sold on January 04, 2016 for $610,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $793,755.
Single-familyProperty Type
1970Year Built
1.21 acresLot Size
$633Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$793,755
$184K since sold in January 2016$5,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.7% higher than the average sale price ($730K) 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
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
Jun 11, 2016 • Final
Building history record
Construct a new single-family home.
New construction
Jun 11, 2016 • Final
Building history record
Install temporary gas and electrical services.
Electrical
Gas
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
# of 1/2 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: 1,254
Ground Floor Sq. Ft: 1,254
Building Sq. Ft: 1,829
# of Stories: 1
Legal Description: 74 FORM 62 & PT TO 75 76 77 & CO FOR RD 2813-605
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 575
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 52,708
Acres: 1.21
Zoning Code: DA10
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.5
Sq. Ft.: 1,254
Stories: 1.0
Lot Size: 1.21 acres
Style: Single Family Residential
Year Built: 1970
Year Renovated: 1971
County: Sonoma County
APN: 034030074000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Jack London Elementary School
Public K-6 • Assigned • 0.7mi
5/10
Hilliard Comstock Middle School
Public 7-8 • Assigned • 1.9mi
1/10
Piner High School
Public 9-12 • Assigned • 1.0mi
4/10
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 90° 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
Santa Rosa, CA • 95403
Average low and high temperatures (°F)
62
39
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43
71
45
69
46
77
50
80
53
78
53
86
54
82
54
78
50
64
44
59
42
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$755,000 – $913,000
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