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Single Family ResidenceResidential
$4,488,107$550 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $4,380,000 on Sep 9, 2021

428 LOS ALTOS AVE

ARCADIA, CA 91007
7
Beds
8
Baths
8,163 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
2014
Year BuiltThe year the home was originally built, according to county records.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$4.5M
$4.3M low$4.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,380,000 · Sep 9, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$54,009 (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.$4,741,050 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,597,836
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,143,214
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,648,090

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.46
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(12)

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
Longley Way Elementary SchoolB+
Elementary · Grades KG–5 · 0.3 mi
M
Richard Henry Dana Middle SchoolA
Middle · Grades 6–8 · 1.4 mi
H
Arcadia High SchoolA+
High · Grades 9–12 · 1.5 mi

District: Arcadia Unified School District

Neighborhood · ZIP 91007These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.567

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.32,512
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,192 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,500
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,443
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.18 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

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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

428 Los Altos Ave 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 98% of homes in Santa Anita Colony
  • Costs less per square foot than 82% of homes in Santa Anita Colony
  • Bigger than 98% of homes in Santa Anita Colony
  • Has a bigger lot than 84% of homes in Santa Anita Colony
  • Newer than 97% of homes in Los Angeles County

What homes are worth in Arcadia 91007

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

This home
$588K$4.4M

This home is worth more than 98% of homes in Arcadia 91007.

How it measures up in Arcadia 91007

The dot is this home. The mark in the middle is the typical home in Arcadia 91007.

Estimated value$4,488,107
CheaperTypical $1,438,820Pricier

Pricier than 98% of homes nearby

Price per ft²$550
CheaperTypical $666Pricier

Pricier than 26% of homes nearby

Living area8,163 ft²
SmallerTypical 2,001 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.46 ac
SmallerTypical 0.33 acBigger

Bigger than 67% of homes nearby

Year built2014
OlderTypical 1965Newer

Newer than 94% of homes nearby

How 428 Los Altos Ave ranks against every home in each area.
MeasureThis homeSanta Anita ColonyArcadia 91007Los Angeles County
Estimated valuepricier than$4,488,10798% of homes98% of homes98% of homes
Price per ft²pricier than$55018% of homes26% of homes48% of homes
Living areabigger than8,163 ft²98% of homes97% of homes98% of homes
Lot sizebigger than0.46 ac84% of homes67% of homes83% of homes
Year builtnewer than201493% of homes94% of homes97% of homes

About 428 Los Altos Ave

How much is 428 Los Altos Ave, Arcadia, CA worth?

The TopHap Estimate for 428 Los Altos Ave, Arcadia, CA is $4,488,107 as of Aug 30, 2026. The likely range is $4,337,778 to $4,638,436. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 428 Los Altos Ave, Arcadia, CA last sell?

428 Los Altos Ave, Arcadia, CA last sold on Sep 9, 2021 for $4,380,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 428 Los Altos Ave, Arcadia, CA?

428 Los Altos Ave, Arcadia, CA has 7 bedrooms, 8 bathrooms, 8,163 square feet of living space and a 0.46-acre lot.

When was 428 Los Altos Ave, Arcadia, CA built?

428 Los Altos Ave, Arcadia, CA was built in 2014, making it 12 years old. It is a conventional home.

What schools serve 428 Los Altos Ave, Arcadia, CA?

428 Los Altos Ave, Arcadia, CA is assigned to Longley Way Elementary School (elementary), rated B+; Richard Henry Dana Middle School (middle), rated A; Arcadia High School (high), rated A+. All sit in Arcadia Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 428 Los Altos Ave, Arcadia, CA compare to other homes in Arcadia 91007?

Among the 8,621 homes in Arcadia 91007, it is worth more than 98% of them ($4,488,107 against a typical $1,438,820), its price per square foot is higher than 26% of them ($550 against a typical $666), it is bigger than 97% of them (8,163 ft² against a typical 2,001 ft²), its lot is bigger than 67% of them (0.46 ac against a typical 0.33 ac) and it is newer than 94% of them (2014 against a typical 1965). Measured against all of Los Angeles County, it is worth more than 98% 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 428 Los Altos Ave, Arcadia, CA?

The 2025 property tax bill for 428 Los Altos Ave, Arcadia, CA was $54,009. The county assessed it at $4,741,050.

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