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Single Family ResidenceResidential
$499,211$611 / 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 88How 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 $260,000 on Nov 30, 2007

2121 E KNOPF ST

COMPTON, CA 90222
3
Beds
1
Baths
817 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.
2,470 ft²
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$499K
$437K low$561K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$260,000 · Nov 30, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,635 (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.$436,753 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$267,946
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$168,807
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$428,191

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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.minimal

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
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.0.06
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(23)

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(6)

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

E
Anderson K - 8 SchoolB
Elementary · Grades KG–8 · 0.1 mi
H
Centennial High SchoolD+
High · Grades 9–12 · 1.2 mi

District: Compton Unified School District

Neighborhood · ZIP 90222These 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.83
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 100.426

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.9.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.31,862
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12,514 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,050
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,199
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

2121 E Knopf 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 91% of homes in Los Angeles County
  • Costs more per square foot than 79% of homes in Compton 90222
  • Smaller than 95% of homes in Los Angeles County
  • Among the smallest lots in Willowbrook
  • Newer than 82% of homes in Compton 90222

What homes are worth in Compton 90222

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

This home
$379K$782K

This home is worth more than 25% of homes in Compton 90222.

How it measures up in Compton 90222

The dot is this home. The mark in the middle is the typical home in Compton 90222.

Estimated value$499,211
CheaperTypical $568,705Pricier

Pricier than 25% of homes nearby

Price per ft²$611
CheaperTypical $523Pricier

Pricier than 79% of homes nearby

Living area817 ft²
SmallerTypical 1,122 ft²Bigger

Bigger than 20% of homes nearby

Lot size2,470 ft²
SmallerTypical 0.12 acBigger

Bigger than 2% of homes nearby

Year built1957
OlderTypical 1950Newer

Newer than 82% of homes nearby

How 2121 E Knopf St ranks against every home in each area.
MeasureThis homeWillowbrookCompton 90222Los Angeles County
Estimated valuepricier than$499,21119% of homes25% of homes9% of homes
Price per ft²pricier than$61176% of homes79% of homes58% of homes
Living areabigger than817 ft²14% of homes20% of homes5% of homes
Lot sizebigger than2,470 ft²almost no homes2% of homes2% of homes
Year builtnewer than195780% of homes82% of homes52% of homes

About 2121 E Knopf St

How much is 2121 E Knopf St, Compton, CA worth?

The TopHap Estimate for 2121 E Knopf St, Compton, CA is $499,211 as of Sep 24, 2026. The likely range is $437,248 to $561,174. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 2121 E Knopf St, Compton, CA last sell?

2121 E Knopf St, Compton, CA last sold on Nov 30, 2007 for $260,000, according to the county's recorded deed. TopHap holds 15 recorded sales for this parcel.

How big is 2121 E Knopf St, Compton, CA?

2121 E Knopf St, Compton, CA has 3 bedrooms, 1 bathrooms, 817 square feet of living space and a 0.06-acre lot.

When was 2121 E Knopf St, Compton, CA built?

2121 E Knopf St, Compton, CA was built in 1957, making it 69 years old. It is a conventional home. The building has 1 story.

What schools serve 2121 E Knopf St, Compton, CA?

2121 E Knopf St, Compton, CA is assigned to Anderson K - 8 School (elementary), rated B; Centennial High School (high), rated D+. All sit in Compton Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2121 E Knopf St, Compton, CA compare to other homes in Compton 90222?

Among the 5,733 homes in Compton 90222, it is worth more than 25% of them ($499,211 against a typical $568,705), its price per square foot is higher than 79% of them ($611 against a typical $523), it is bigger than 20% of them (817 ft² against a typical 1,122 ft²), its lot is bigger than 2% of them (2,470 ft² against a typical 0.12 ac) and it is newer than 82% of them (1957 against a typical 1950). Measured against all of Los Angeles County, it is worth more than 9% 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 2121 E Knopf St, Compton, CA?

The 2025 property tax bill for 2121 E Knopf St, Compton, CA was $5,635. The county assessed it at $436,753.

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