623 Grandberg Ct is a 1,463 square foot multi-family home on a 0.27 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on March 06, 1984 for $100,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $679,479.
Multi-familyProperty Type
1950Year Built
0.27 acresLot Size
$464Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$679,479
$579K since sold in March 1984$0 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.7% higher than the average sale price ($655K) 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
Oct 18, 2021 • Final
Residential addition-alteration
Remove existing composition shingles and install new composition shingle roofing.
Roofing
Jun 11, 2016 • Final
Building permit no plan check
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: 3
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Poor
Property Information
Subdivision Name: ROSELAND
Living Sq. Ft: 1,463
Building Sq. Ft: 1,723
# of Stories: 1
Legal Description: MAP B2 141
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 620
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 11,700
Legal Lot Number: 7
Legal Block Number: B
Acres: 0.2686
County Use Description: 3 UNITS-2+ STRUCT
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 1,463
Stories: 1.0
Lot Size: 0.27 acres
Style: Multi-Family (2-4 Unit)
Year Built: 1950
Year Renovated: 1950
County: Sonoma County
APN: 125231013000
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)
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46
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76
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83
54
81
54
78
50
65
45
58
43
Jan
Feb
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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
$646,000 – $782,000
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