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Single Family ResidenceResidential
$745,102$323 / 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 91How 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 $525,000 on Apr 16, 2004

4151 9TH ST

ACTON, CA 93510
4
Beds
3
Baths
2,307 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.
2.97 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.

Valuation

$745K
$677K low$814K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$525,000 · Apr 16, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,425 (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.$761,350 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$326,289
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$435,061
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$746,423

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.18 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.possible but undetermined

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
CountyLOS ANGELES
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.1980
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.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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Meadowlark Elementary SchoolC
Elementary · Grades KG–4 · 1.3 mi
M
High DesertD+
Middle · Grades 5–8 · 1.9 mi
H
Vasquez High SchoolC-
High · Grades 9–12 · 2.0 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

4151 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.

  • Worth less than 67% of homes in Acton 93510
  • Costs less per square foot than 95% of homes in Los Angeles County
  • Bigger than 78% of homes in Los Angeles County
  • Has a bigger lot than 96% of homes in Los Angeles County
  • Older than 79% 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
$409K$1.3M

This home is worth more than 33% 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$745,102
CheaperTypical $812,551Pricier

Pricier than 33% of homes nearby

Price per ft²$323
CheaperTypical $359Pricier

Pricier than 27% of homes nearby

Living area2,307 ft²
SmallerTypical 2,114 ft²Bigger

Bigger than 60% of homes nearby

Lot size2.97 ac
SmallerTypical 2.5 acBigger

Bigger than 60% of homes nearby

Year built1979
OlderTypical 1988Newer

Newer than 21% of homes nearby

How 4151 9th St ranks against every home in each area.
MeasureThis homeActon 93510Los Angeles County
Estimated valuepricier than$745,10233% of homes37% of homes
Price per ft²pricier than$32327% of homes5% of homes
Living areabigger than2,307 ft²60% of homes78% of homes
Lot sizebigger than2.97 ac60% of homes96% of homes
Year builtnewer than197921% of homes75% of homes

About 4151 9th St

How much is 4151 9th St, Acton, CA worth?

The TopHap Estimate for 4151 9th St, Acton, CA is $745,102 as of Sep 24, 2026. The likely range is $676,694 to $813,510. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4151 9th St, Acton, CA last sell?

4151 9th St, Acton, CA last sold on Apr 16, 2004 for $525,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4151 9th St, Acton, CA?

4151 9th St, Acton, CA has 4 bedrooms, 3 bathrooms and 2,307 square feet of living space.

When was 4151 9th St, Acton, CA built?

4151 9th St, Acton, CA was built in 1979, making it 47 years old.

What schools serve 4151 9th St, Acton, CA?

4151 9th St, Acton, CA is assigned to Meadowlark Elementary School (elementary), rated C; High Desert (middle), rated D+; 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 4151 9th St, Acton, CA compare to other homes in Acton 93510?

Among the 2,651 homes in Acton 93510, it is worth more than 33% of them ($745,102 against a typical $812,551), its price per square foot is higher than 27% of them ($323 against a typical $359), it is bigger than 60% of them (2,307 ft² against a typical 2,114 ft²), its lot is bigger than 60% of them (2.97 ac against a typical 2.5 ac) and it is newer than 21% of them (1979 against a typical 1988). Measured against all of Los Angeles County, it is worth more than 37% 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 4151 9th St, Acton, CA?

The 2025 property tax bill for 4151 9th St, Acton, CA was $9,425. The county assessed it at $761,350.

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