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Single Family ResidenceResidential
$748,264$990 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $450,000 on Jun 6, 2018

12420 SIBLEY ST

NORWALK, CA 90650
2
Beds
1
Baths
756 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$748K
$713K low$784K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$450,000 · Jun 6, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,038 (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.$549,844 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$457,321
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$92,523
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$539,063

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.1950
Lot (acres)The size of the land the home sits on, from county records.0.16
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
CoolingThe type of cooling or air conditioning in the home.Evaporative
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(10)

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(3)

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

E
Dolland Elementary SchoolB
Elementary · Grades KG–5 · 0.2 mi
M
Waite Middle SchoolD
Middle · Grades 6–8 · 0.4 mi
H
John Glenn High SchoolC-
High · Grades 9–12 · 1.1 mi

District: Norwalk-la Mirada Unified School District

Neighborhood · ZIP 90650These 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.42
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.339

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
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.100,345
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,238 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,074
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,056
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

12420 Sibley 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.

  • Among the highest price per square foot in Norwalk 90650
  • Smaller than 97% of homes in Los Angeles County
  • Has a bigger lot than 87% of homes in Norwalk 90650
  • Older than 76% of homes in Norwalk 90650

What homes are worth in Norwalk 90650

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

This home
$505K$970K

This home is worth more than 63% of homes in Norwalk 90650.

How it measures up in Norwalk 90650

The dot is this home. The mark in the middle is the typical home in Norwalk 90650.

Estimated value$748,264
CheaperTypical $720,848Pricier

Pricier than 63% of homes nearby

Price per ft²$990
CheaperTypical $589Pricier

Pricier than almost all homes nearby

Living area756 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.16 ac
SmallerTypical 0.12 acBigger

Bigger than 87% of homes nearby

Year built1949
OlderTypical 1952Newer

Newer than 24% of homes nearby

How 12420 Sibley St ranks against every home in each area.
MeasureThis homeNorwalk 90650Los Angeles County
Estimated valuepricier than$748,26463% of homes38% of homes
Price per ft²pricier than$990almost all homes91% of homes
Living areabigger than756 ft²4% of homes3% of homes
Lot sizebigger than0.16 ac87% of homes47% of homes
Year builtnewer than194924% of homes31% of homes

About 12420 Sibley St

How much is 12420 Sibley St, Norwalk, CA worth?

The TopHap Estimate for 12420 Sibley St, Norwalk, CA is $748,264 as of Oct 21, 2026. The likely range is $712,672 to $783,856. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12420 Sibley St, Norwalk, CA last sell?

12420 Sibley St, Norwalk, CA last sold on Jun 6, 2018 for $450,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 12420 Sibley St, Norwalk, CA?

12420 Sibley St, Norwalk, CA has 2 bedrooms, 1 bathrooms, 756 square feet of living space and a 0.16-acre lot.

When was 12420 Sibley St, Norwalk, CA built?

12420 Sibley St, Norwalk, CA was built in 1949, making it 77 years old. It is a conventional home. The building has 1 story.

What schools serve 12420 Sibley St, Norwalk, CA?

12420 Sibley St, Norwalk, CA is assigned to Dolland Elementary School (elementary), rated B; Waite Middle School (middle), rated D; John Glenn High School (high), rated C-. All sit in Norwalk-la Mirada Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12420 Sibley St, Norwalk, CA compare to other homes in Norwalk 90650?

Among the 22,060 homes in Norwalk 90650, it is worth more than 63% of them ($748,264 against a typical $720,848), its price per square foot is higher than almost all of them ($990 against a typical $589), it is bigger than 4% of them (756 ft² against a typical 1,232 ft²), its lot is bigger than 87% of them (0.16 ac against a typical 0.12 ac) and it is newer than 24% of them (1949 against a typical 1952). Measured against all of Los Angeles County, it is worth more than 38% 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 12420 Sibley St, Norwalk, CA?

The 2025 property tax bill for 12420 Sibley St, Norwalk, CA was $7,038. The county assessed it at $549,844.

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