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Single Family ResidenceResidential
$789,633$479 / 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 94How 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

12131 HERMOSURA ST

NORWALK, CA 90650
4
Beds
2
Baths
1,649 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.
1948
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

$790K
$745K low$835K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,148 (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.$268,690 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$69,421
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$199,269
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$263,422

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.1990
Lot (acres)The size of the land the home sits on, from county records.0.11
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.Rock / Gravel
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(6)

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.

E
Sanchez Elementary SchoolC-
Elementary · Grades KG–5 · 0.3 mi
M
Waite Middle SchoolC+
Middle · Grades 6–8 · 1.0 mi
H
John Glenn High SchoolC
High · Grades 9–12 · 1.9 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

12131 Hermosura 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 80% of homes in Norwalk 90650
  • Costs less per square foot than 80% of homes in Norwalk 90650
  • Bigger than 85% of homes in Norwalk 90650
  • Has a smaller lot than 92% of homes in Norwalk 90650
  • Older than 87% 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
$493K$971K

This home is worth more than 80% 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$789,633
CheaperTypical $716,410Pricier

Pricier than 80% of homes nearby

Price per ft²$479
CheaperTypical $580Pricier

Pricier than 20% of homes nearby

Living area1,649 ft²
SmallerTypical 1,234 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.11 ac
SmallerTypical 0.12 acBigger

Bigger than 8% of homes nearby

Year built1948
OlderTypical 1952Newer

Newer than 13% of homes nearby

How 12131 Hermosura St ranks against every home in each area.
MeasureThis homeNorwalk 90650Los Angeles County
Estimated valuepricier than$789,63380% of homes44% of homes
Price per ft²pricier than$47920% of homes25% of homes
Living areabigger than1,649 ft²85% of homes54% of homes
Lot sizebigger than0.11 ac8% of homes8% of homes
Year builtnewer than194813% of homes29% of homes

About 12131 Hermosura St

How much is 12131 Hermosura St, Norwalk, CA worth?

The TopHap Estimate for 12131 Hermosura St, Norwalk, CA is $789,633 as of Sep 24, 2026. The likely range is $744,559 to $834,707. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12131 Hermosura St, Norwalk, CA last sell?

12131 Hermosura St, Norwalk, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 12131 Hermosura St, Norwalk, CA?

12131 Hermosura St, Norwalk, CA has 4 bedrooms, 2 bathrooms, 1,649 square feet of living space and a 0.11-acre lot.

When was 12131 Hermosura St, Norwalk, CA built?

12131 Hermosura St, Norwalk, CA was built in 1948, making it 78 years old. It is a conventional home. The building has 1 story.

What schools serve 12131 Hermosura St, Norwalk, CA?

12131 Hermosura St, Norwalk, CA is assigned to Sanchez Elementary School (elementary), rated C-; Waite Middle School (middle), rated C+; 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 12131 Hermosura St, Norwalk, CA compare to other homes in Norwalk 90650?

Among the 22,051 homes in Norwalk 90650, it is worth more than 80% of them ($789,633 against a typical $716,410), its price per square foot is higher than 20% of them ($479 against a typical $580), it is bigger than 85% of them (1,649 ft² against a typical 1,234 ft²), its lot is bigger than 8% of them (0.11 ac against a typical 0.12 ac) and it is newer than 13% of them (1948 against a typical 1952). Measured against all of Los Angeles County, it is worth more than 44% 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 12131 Hermosura St, Norwalk, CA?

The 2025 property tax bill for 12131 Hermosura St, Norwalk, CA was $4,148. The county assessed it at $268,690.

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