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Single Family ResidenceResidential
$1,339,531$356 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $950,000 on Jan 11, 2007

530 LOS ALTOS CT

SANTA ROSA, CA 95403
4
Beds
3.5
Baths
3,766 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.
1.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.2M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$950,000 · Jan 11, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,330 (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.$1,298,240 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$478,297
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$819,943
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,272,785

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.33
62
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
77
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.27 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.2000
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.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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(5)

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.

E
San Miguel Elementary SchoolB+
Elementary · Grades KG–6 · 0.5 mi
H
Piner High SchoolC
High · Grades 9–12 · 3.6 mi
M
Hilliard Comstock Middle SchoolF
Middle · Grades 7–8 · 3.8 mi

District: Santa Rosa High School District

Neighborhood · ZIP 95403These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.511

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.43,826
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,997 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,508
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$119,029
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

530 Los Altos 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.

  • Worth more than 95% of homes in Santa Rosa 95403
  • Costs less per square foot than 94% of homes in Larkfield-Wikiup
  • Bigger than 98% of homes in Larkfield-Wikiup
  • Has a bigger lot than 91% of homes in Santa Rosa 95403
  • Newer than 72% of homes in Sonoma County

What homes are worth in Santa Rosa 95403

Each bar is how many homes fall in that price range. The marker is this home.

This home
$307K$2M

This home is worth more than 95% of homes in Santa Rosa 95403.

How it measures up in Santa Rosa 95403

The dot is this home. The mark in the middle is the typical home in Santa Rosa 95403.

Estimated value$1,339,531
CheaperTypical $712,268Pricier

Pricier than 95% of homes nearby

Price per ft²$356
CheaperTypical $442Pricier

Pricier than 8% of homes nearby

Living area3,766 ft²
SmallerTypical 1,641 ft²Bigger

Bigger than 98% of homes nearby

Lot size1.55 ac
SmallerTypical 0.15 acBigger

Bigger than 91% of homes nearby

Year built1989
OlderTypical 1990Newer

Newer than 50% of homes nearby

How 530 Los Altos Ct ranks against every home in each area.
MeasureThis homeLarkfield-WikiupSanta Rosa 95403Sonoma County
Estimated valuepricier than$1,339,53191% of homes95% of homes88% of homes
Price per ft²pricier than$3566% of homes8% of homes7% of homes
Living areabigger than3,766 ft²98% of homes98% of homes98% of homes
Lot sizebigger than1.55 ac85% of homes91% of homes88% of homes
Year builtnewer than198966% of homes50% of homes72% of homes

About 530 Los Altos Ct

How much is 530 Los Altos Ct, Santa Rosa, CA worth?

The TopHap Estimate for 530 Los Altos Ct, Santa Rosa, CA is $1,339,531 as of Sep 24, 2026. The likely range is $1,233,842 to $1,445,220. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 530 Los Altos Ct, Santa Rosa, CA last sell?

530 Los Altos Ct, Santa Rosa, CA last sold on Jan 11, 2007 for $950,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 530 Los Altos Ct, Santa Rosa, CA?

530 Los Altos Ct, Santa Rosa, CA has 4 bedrooms, 3.5 bathrooms and 3,766 square feet of living space.

When was 530 Los Altos Ct, Santa Rosa, CA built?

530 Los Altos Ct, Santa Rosa, CA was built in 1989, making it 37 years old. The building has 2 stories.

What schools serve 530 Los Altos Ct, Santa Rosa, CA?

530 Los Altos Ct, Santa Rosa, CA is assigned to San Miguel Elementary School (elementary), rated B+; Piner High School (high), rated C; Hilliard Comstock Middle School (middle), rated F. All sit in Santa Rosa High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 530 Los Altos Ct, Santa Rosa, CA compare to other homes in Santa Rosa 95403?

Among the 12,672 homes in Santa Rosa 95403, it is worth more than 95% of them ($1,339,531 against a typical $712,268), its price per square foot is higher than 8% of them ($356 against a typical $442), it is bigger than 98% of them (3,766 ft² against a typical 1,641 ft²), its lot is bigger than 91% of them (1.55 ac against a typical 0.15 ac) and it is newer than 50% of them (1989 against a typical 1990). Measured against all of Sonoma County, it is worth more than 88% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 530 Los Altos Ct, Santa Rosa, CA?

The 2025 property tax bill for 530 Los Altos Ct, Santa Rosa, CA was $16,330. The county assessed it at $1,298,240.

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