663 Mill St is a 825 square foot house on a 3,300 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on May 08, 2013 for $260,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $491,302.
Single-familyProperty Type
1925Year Built
3,300 sq ftLot Size
$596Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$491,302
$231K since sold in May 2013$10K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 16.2% lower than the average sale price ($586K) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Dec 13, 2016 • Final
Residential addition-alteration
Remove the existing roof and install new class A composition shingles.
Roofing
Jun 28, 2015 • Final
Residential electrical
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: 4
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Fair
Property Information
Subdivision Name: J WHEELERS ADD
Living Sq. Ft: 825
Ground Floor Sq. Ft: 825
Building Sq. Ft: 825
# of Stories: 1
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 225
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,300
Legal Lot Number: 84
Legal Block Number: 3
Acres: 0.0758
Zoning Code: CITYSR
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 825
Stories: 1.0
Lot Size: 3,300 square feet
Style: Single Family Residential
Year Built: 1925
Year Renovated: 1925
County: Sonoma County
APN: 009262030000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Luther Burbank Elementary School
Public K-6 • Assigned • 0.4mi
5/10
Montgomery High School
Public 9-12 • Assigned • 1.4mi
7/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
4/10 Flood Factor
Estimated 19-29% chance 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
7 days above 92° expected this year, 15 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 • 95404
Average low and high temperatures (°F)
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51
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54
86
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83
55
79
51
65
46
60
44
Jan
Feb
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May
Jun
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Aug
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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
$467,000 – $565,000
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