Triplex (3 Units, Any Combination)Residential
623 GRANDBERG CT
SANTA ROSA, CA 95407
2
Beds
1
Baths
638 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.
Valuation
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$443,800
AMERICAN PACIFIC MORTGAGE CORP · recorded Jun 1, 2021
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,543 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$205,093 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$93,223
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$111,870
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$201,073
Climate Risk
Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.24
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
60
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
27
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone
Scores 0–100; higher = greater projected risk.
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
CountySONOMA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1951
Lot (acres)The size of the land the home sits on, from county records.0.27
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
Transaction History(4)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EHM
Roseland Elementary SchoolC
Elementary · Grades KG–6 · 0.2 mi
Elsie Allen High SchoolD
High · Grades 9–12 · 1.5 mi
Santa Rosa Middle SchoolD-
Middle · Grades 7–8 · 1.5 mi
District: Santa Rosa High School District
Neighborhood · ZIP 95407These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.460
Index scale: 100 = US average (tick). Lower is better.
Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.44,580
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,957 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,343
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,028
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%
Ownership
OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
623 Grandberg Ct measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Among the smallest homes in Roseland
- Has a bigger lot than 85% of homes in Roseland
- Older than 85% of homes in Sonoma County
How it measures up in Santa Rosa 95407
The dot is this home. The mark in the middle is the typical home in Santa Rosa 95407.
Living area638 ft²
SmallerTypical 1,326 ft²Bigger
Smaller than almost all homes nearby
Lot size0.27 ac
SmallerTypical 0.14 acBigger
Bigger than 69% of homes nearby
Year built1950
OlderTypical 1990Newer
Newer than 17% of homes nearby
| Measure | This home | Roseland | Santa Rosa 95407 | Sonoma County |
|---|---|---|---|---|
| Living areabigger than | 638 ft² | almost no homes | almost no homes | 2% of homes |
| Lot sizebigger than | 0.27 ac | 85% of homes | 69% of homes | 68% of homes |
| Year builtnewer than | 1950 | 16% of homes | 17% of homes | 15% of homes |
About 623 Grandberg Ct
When did 623 Grandberg Ct, Santa Rosa, CA last sell?
623 Grandberg Ct, Santa Rosa, CA last sold on Jan 1, 1900, according to the county's recorded deed.
How big is 623 Grandberg Ct, Santa Rosa, CA?
623 Grandberg Ct, Santa Rosa, CA has 2 bedrooms, 1 bathrooms, 638 square feet of living space and a 0.27-acre lot.
When was 623 Grandberg Ct, Santa Rosa, CA built?
623 Grandberg Ct, Santa Rosa, CA was built in 1950, making it 76 years old. The building has 1 story.
What schools serve 623 Grandberg Ct, Santa Rosa, CA?
623 Grandberg Ct, Santa Rosa, CA is assigned to Roseland Elementary School (elementary), rated C; Elsie Allen High School (high), rated D; Santa Rosa Middle School (middle), rated D-. All sit in Santa Rosa High School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 623 Grandberg Ct, Santa Rosa, CA compare to other homes in Santa Rosa 95407?
Among the 9,184 homes in Santa Rosa 95407, it is bigger than almost none of them (638 ft² against a typical 1,326 ft²), its lot is bigger than 69% of them (0.27 ac against a typical 0.14 ac) and it is newer than 17% of them (1950 against a typical 1990). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 623 Grandberg Ct, Santa Rosa, CA?
The 2025 property tax bill for 623 Grandberg Ct, Santa Rosa, CA was $2,543. The county assessed it at $205,093.
Closest homes
- 613 Grandberg Ct56 ft · 2 bd · 1 ba · 655 ft² · Sold $159K · May 1999
- 631 Grandberg Ct$435K64 ft · 1 bd · 1 ba · 540 ft² · Sold $400K · Jul 2018
- 639 Grandberg Ct$553K125 ft · 3 bd · 2 ba · 1,386 ft² · Sold $166K · Aug 2020
- 630 Grandberg Ct$551K206 ft · 3 bd · 1 ba · 1,435 ft² · Sold $344K · Mar 2014
- 616 Grandberg Ct$595K229 ft · 2 bd · 2 ba · 1,281 ft² · Sold $690K · Aug 2023
- 624 Grandberg Ct$491K241 ft · 2 bd · 1 ba · 905 ft² · Sold $152K · Nov 1991
- 608 Grandberg Ct$503K232 ft · 3 bd · 1 ba · 1,020 ft² · Sold $234K · Mar 2014
- 600 Grandberg Ct$579K234 ft · 4 bd · 4 ba · 1,640 ft² · Sold $205K · Nov 2009
More homes in Santa Rosa 95407
- 2562 Silver Spur Dr$799K4 bd · 3 ba · 2,206 ft² · Sold $775K · Aug 2026
- 1925 Blue Sky Ln$749K3 bd · 2.5 ba · 1,866 ft² · Sold $733K · Aug 2026
- 10 Birch Haven Way$540K3 bd · 2.5 ba · 1,149 ft² · Sold $545K · Aug 2026
- 493 Hearn Ave$525K2 bd · 1 ba · 896 ft² · Sold $525K · Aug 2026
- 4013 Arthur Ashe Cir$774K4 bd · 3.5 ba · 3,145 ft² · Sold $818K · Aug 2026
- 3315 Primrose Ct$340K3 bd · 1 ba · 920 ft² · Sold $659K · Jul 2026
- 2512 Covelline St$665K3 bd · 2.5 ba · 1,380 ft² · Sold $665K · Jul 2026
- 3250 Sebastopol Rd$593K3 bd · 1 ba · 1,146 ft² · Sold $4M · Jul 2026
- 52 Haworth Way$565K4 bd · 2.5 ba · 1,470 ft² · Sold $575K · Jul 2026
- 866 Yuba Dr$653K2 bd · 1 ba · 1,116 ft² · Sold $930K · Jul 2026
- 2901 Luke Ln$868K4 bd · 3 ba · 2,193 ft² · Sold $378K · Jul 2026
- 4546 Taylor Ave$975K3 bd · 2 ba · 1,646 ft² · Sold $985K · Jul 2026
Assigned schools
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