631 Grandberg Ct is a 540 square foot house on a 0.27 acre lot with 1 bedroom and 1 bathroom. - it last sold on July 13, 2018 for $400,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $505,552.
Single-familyProperty Type
1948Year Built
0.27 acresLot Size
$936Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$505,552
$106K since sold in July 2018$4,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 11.8% lower than the average sale price ($573K) 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.
Permits
Jul 11, 2018 • Final
Residential addition-alteration
Tear off and replace composition shingles on a residential building. Perform dry rot repairs to eaves and siding, upgrade the electrical service panel, and replace bathroom and kitchen fixtures. Expand the scope of work to include replacing kitchen cabinets, appliances, and light fixtures.
Electrical
Kitchen
Plumbing
Remodel
Roofing
Oct 3, 2017 • Active
Residential addition-alteration
Relocate an existing single-family home onto a new foundation on the same lot. No fire sprinklers are required for this project.
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
Room Information
# of Rooms: 2
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: ROSELAND
Living Sq. Ft: 540
Ground Floor Sq. Ft: 540
Building Sq. Ft: 540
# of Stories: 1
Legal Description: BLK B LOT 7
Parking & Garage Information
Garage/Parking Sq. Ft: 480
Lot Information
# of Buildings: 1
Land Sq. Ft: 11,700
Legal Lot Number: 7
Legal Block Number: B
Acres: 0.2686
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 540
Stories: 1.0
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1948
Year Renovated: 2000
County: Sonoma County
APN: 125231012000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Roseland Elementary School
Public K-6 • Assigned • 0.2mi
4/10
Santa Rosa Middle School
Public 7-8 • Assigned • 1.6mi
2/10
Elsie Allen High School
Public 9-12 • Assigned • 1.6mi
2/10
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 • 95407
Average low and high temperatures (°F)
62
39
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74
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76
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83
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81
54
78
50
65
45
58
43
Jan
Feb
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May
Jun
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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
$481,000 – $582,000
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