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Single Family ResidenceResidential
$630,819$603 / 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 Sep 24, 2026
Last sold for $204,000 on Oct 10, 2014

121 S THORSON AVE

COMPTON, CA 90221
3
Beds
2
Baths
1,047 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$631K
$614K low$648K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$204,000 · Oct 10, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,771 (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.$250,070 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$200,059
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$50,011
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$245,168

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.1952
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.Floor/Wall Furnace
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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(4)

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

E
Theodore Roosevelt Elementary SchoolC-
Elementary · Grades KG–8 · 0.4 mi
H
Dominguez High SchoolB
High · Grades 9–12 · 1.0 mi

District: Compton Unified School District

Neighborhood · ZIP 90221These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.366

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.52,598
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,424 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,179
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,005
Average tempThe average temperature here across a full year.64°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

121 S Thorson 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 less than 78% of homes in Los Angeles County
  • Costs more per square foot than 81% of homes in Compton 90221
  • Smaller than 86% of homes in Los Angeles County
  • Has a smaller lot than 90% of homes in Los Angeles County
  • Older than 74% of homes in Los Angeles County

What homes are worth in Compton 90221

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

This home
$409K$861K

This home is worth more than 55% of homes in Compton 90221.

How it measures up in Compton 90221

The dot is this home. The mark in the middle is the typical home in Compton 90221.

Estimated value$630,819
CheaperTypical $619,956Pricier

Pricier than 55% of homes nearby

Price per ft²$603
CheaperTypical $513Pricier

Pricier than 81% of homes nearby

Living area1,047 ft²
SmallerTypical 1,257 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.11 ac
SmallerTypical 0.14 acBigger

Bigger than 14% of homes nearby

Year built1947
OlderTypical 1946Newer

Newer than 67% of homes nearby

How 121 S Thorson Ave ranks against every home in each area.
MeasureThis homeCompton 90221Los Angeles County
Estimated valuepricier than$630,81955% of homes22% of homes
Price per ft²pricier than$60381% of homes56% of homes
Living areabigger than1,047 ft²29% of homes14% of homes
Lot sizebigger than0.11 ac14% of homes10% of homes
Year builtnewer than194767% of homes26% of homes

About 121 S Thorson Ave

How much is 121 S Thorson Ave, Compton, CA worth?

The TopHap Estimate for 121 S Thorson Ave, Compton, CA is $630,819 as of Sep 24, 2026. The likely range is $613,576 to $648,062. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 S Thorson Ave, Compton, CA last sell?

121 S Thorson Ave, Compton, CA last sold on Oct 10, 2014 for $204,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 121 S Thorson Ave, Compton, CA?

121 S Thorson Ave, Compton, CA has 3 bedrooms, 2 bathrooms, 1,047 square feet of living space and a 0.12-acre lot.

When was 121 S Thorson Ave, Compton, CA built?

121 S Thorson Ave, Compton, CA was built in 1947, making it 79 years old. It is a conventional home. The building has 1 story.

What schools serve 121 S Thorson Ave, Compton, CA?

121 S Thorson Ave, Compton, CA is assigned to Theodore Roosevelt Elementary School (elementary), rated C-; Dominguez High School (high), rated B. All sit in Compton Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 S Thorson Ave, Compton, CA compare to other homes in Compton 90221?

Among the 8,281 homes in Compton 90221, it is worth more than 55% of them ($630,819 against a typical $619,956), its price per square foot is higher than 81% of them ($603 against a typical $513), it is bigger than 29% of them (1,047 ft² against a typical 1,257 ft²), its lot is bigger than 14% of them (0.11 ac against a typical 0.14 ac) and it is newer than 67% of them (1947 against a typical 1946). Measured against all of Los Angeles County, it is worth more than 22% 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 121 S Thorson Ave, Compton, CA?

The 2025 property tax bill for 121 S Thorson Ave, Compton, CA was $4,771. The county assessed it at $250,070.

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