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Single Family ResidenceResidential
$835,491$480 / 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 87How 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 $820,000 on Sep 22, 2025

4020 9TH ST

ACTON, CA 93510
3
Beds
2
Baths
1,740 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.
2.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$835K
$729K low$942K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$820,000 · Sep 22, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,116 (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.$820,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$500,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$319,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$217,240

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.Contemporary
CountyLOS ANGELES
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Meadowlark Elementary SchoolB+
Elementary · Grades KG–4 · 1.1 mi
M
High DesertC-
Middle · Grades 5–8 · 1.8 mi
H
Vasquez High SchoolC
High · Grades 9–12 · 2.1 mi

District: Acton-Agua Dulce Unified School District

Neighborhood · ZIP 93510These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.414

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.7,754
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.108 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,142
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,593
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.14 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

4020 9th St 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.

  • Costs more per square foot than 91% of homes in Acton 93510
  • Smaller than 70% of homes in Acton 93510
  • Has a bigger lot than 94% of homes in Los Angeles County
  • Older than 85% of homes in Acton 93510

What homes are worth in Acton 93510

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

This home
$389K$1.3M

This home is worth more than 62% of homes in Acton 93510.

How it measures up in Acton 93510

The dot is this home. The mark in the middle is the typical home in Acton 93510.

Estimated value$835,491
CheaperTypical $787,075Pricier

Pricier than 62% of homes nearby

Price per ft²$480
CheaperTypical $352Pricier

Pricier than 91% of homes nearby

Living area1,740 ft²
SmallerTypical 2,133 ft²Bigger

Bigger than 30% of homes nearby

Lot size2.33 ac
SmallerTypical 2.51 acBigger

Bigger than 43% of homes nearby

Year built1977
OlderTypical 1988Newer

Newer than 15% of homes nearby

How 4020 9th St ranks against every home in each area.
MeasureThis homeActon 93510Los Angeles County
Estimated valuepricier than$835,49162% of homes51% of homes
Price per ft²pricier than$48091% of homes30% of homes
Living areabigger than1,740 ft²30% of homes59% of homes
Lot sizebigger than2.33 ac43% of homes94% of homes
Year builtnewer than197715% of homes73% of homes

About 4020 9th St

How much is 4020 9th St, Acton, CA worth?

The TopHap Estimate for 4020 9th St, Acton, CA is $835,491 as of Aug 30, 2026. The likely range is $728,927 to $942,055. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4020 9th St, Acton, CA last sell?

4020 9th St, Acton, CA last sold on Sep 22, 2025 for $820,000, according to the county's recorded deed.

How big is 4020 9th St, Acton, CA?

4020 9th St, Acton, CA has 3 bedrooms, 2 bathrooms and 1,740 square feet of living space.

When was 4020 9th St, Acton, CA built?

4020 9th St, Acton, CA was built in 1977, making it 49 years old. It is a contemporary home. The building has 1 story.

What schools serve 4020 9th St, Acton, CA?

4020 9th St, Acton, CA is assigned to Meadowlark Elementary School (elementary), rated B+; High Desert (middle), rated C-; Vasquez High School (high), rated C. All sit in Acton-Agua Dulce Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4020 9th St, Acton, CA compare to other homes in Acton 93510?

Among the 2,648 homes in Acton 93510, it is worth more than 62% of them ($835,491 against a typical $787,075), its price per square foot is higher than 91% of them ($480 against a typical $352), it is bigger than 30% of them (1,740 ft² against a typical 2,133 ft²), its lot is bigger than 43% of them (2.33 ac against a typical 2.51 ac) and it is newer than 15% of them (1977 against a typical 1988). Measured against all of Los Angeles County, it is worth more than 51% 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 4020 9th St, Acton, CA?

The 2025 property tax bill for 4020 9th St, Acton, CA was $3,116. The county assessed it at $820,000.

More homes on 9th St

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