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Single Family ResidenceResidential
$1,296,928$824 / 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 96How 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

4009 CATHANN ST

TORRANCE, CA 90503
3
Beds
3
Baths
1,573 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
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

$1.3M
$1.2M low$1.4M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,168 (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.$348,416 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$183,836
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$164,580
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$341,585

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
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.1968
Lot (acres)The size of the land the home sits on, from county records.0.12
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.Composition Shingle
HeatingThe type of heating system in the home.Central
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(8)

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.

M
Jefferson Middle SchoolA
Middle · Grades 6–8 · 0.3 mi
E
Anza Elementary SchoolA+
Elementary · Grades KG–5 · 0.7 mi
H
West High SchoolA
High · Grades 9–12 · 1.5 mi

District: Torrance Unified School District

Neighborhood · ZIP 90503These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.457

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.42,540
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,188 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,872
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,686
Average tempThe average temperature here across a full year.63°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

4009 Cathann 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 more than 78% of homes in Los Angeles County
  • Costs more per square foot than 83% of homes in Los Angeles County
  • Has a smaller lot than 81% of homes in Los Angeles County
  • Newer than 84% of homes in Southwood

What homes are worth in Torrance 90503

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

This home
$564K$2M

This home is worth more than 60% of homes in Torrance 90503.

How it measures up in Torrance 90503

The dot is this home. The mark in the middle is the typical home in Torrance 90503.

Estimated value$1,296,928
CheaperTypical $1,206,343Pricier

Pricier than 60% of homes nearby

Price per ft²$824
CheaperTypical $736Pricier

Pricier than 66% of homes nearby

Living area1,573 ft²
SmallerTypical 1,600 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.12 ac
SmallerTypical 0.14 acBigger

Bigger than 22% of homes nearby

Year built1956
OlderTypical 1959Newer

Newer than 46% of homes nearby

How 4009 Cathann St ranks against every home in each area.
MeasureThis homeSouthwoodTorrance 90503Los Angeles County
Estimated valuepricier than$1,296,92848% of homes60% of homes78% of homes
Price per ft²pricier than$82431% of homes66% of homes83% of homes
Living areabigger than1,573 ft²59% of homes49% of homes49% of homes
Lot sizebigger than0.12 ac26% of homes22% of homes19% of homes
Year builtnewer than195684% of homes46% of homes50% of homes

About 4009 Cathann St

How much is 4009 Cathann St, Torrance, CA worth?

The TopHap Estimate for 4009 Cathann St, Torrance, CA is $1,296,928 as of Sep 24, 2026. The likely range is $1,238,765 to $1,355,091. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4009 Cathann St, Torrance, CA last sell?

4009 Cathann St, Torrance, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4009 Cathann St, Torrance, CA?

4009 Cathann St, Torrance, CA has 3 bedrooms, 3 bathrooms, 1,573 square feet of living space and a 0.12-acre lot.

When was 4009 Cathann St, Torrance, CA built?

4009 Cathann St, Torrance, CA was built in 1956, making it 70 years old. It is a conventional home. The building has 1 story.

What schools serve 4009 Cathann St, Torrance, CA?

4009 Cathann St, Torrance, CA is assigned to Jefferson Middle School (middle), rated A; Anza Elementary School (elementary), rated A+; West High School (high), rated A. All sit in Torrance Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4009 Cathann St, Torrance, CA compare to other homes in Torrance 90503?

Among the 11,083 homes in Torrance 90503, it is worth more than 60% of them ($1,296,928 against a typical $1,206,343), its price per square foot is higher than 66% of them ($824 against a typical $736), it is bigger than 49% of them (1,573 ft² against a typical 1,600 ft²), its lot is bigger than 22% of them (0.12 ac against a typical 0.14 ac) and it is newer than 46% of them (1956 against a typical 1959). Measured against all of Los Angeles County, it is worth more than 78% 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 4009 Cathann St, Torrance, CA?

The 2025 property tax bill for 4009 Cathann St, Torrance, CA was $4,168. The county assessed it at $348,416.

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