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Single Family ResidenceResidential
$807,714$713 / 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 $750,000 on Sep 19, 2024

10509 BORSON ST

NORWALK, CA 90650
3
Beds
1
Baths
1,133 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.
1950
Year BuiltThe year the home was originally built, according to county records.

Valuation

$808K
$785K low$831K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$750,000 · Sep 19, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,637 (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.$765,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$659,736
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$105,264
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$750,000

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.10 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.1 percent flood zone

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
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.1955
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)
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(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(6)

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

E
New River Elementary SchoolC
Elementary · Grades KG–5 · 0.6 mi
M
Corvallis Middle SchoolC
Middle · Grades 6–8 · 0.9 mi
H
Norwalk High SchoolB-
High · Grades 9–12 · 1.2 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

10509 Borson 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 84% of homes in Norwalk 90650
  • Costs more per square foot than 89% of homes in Rancho Santa Gertrudes
  • Smaller than 81% of homes in Los Angeles County
  • Has a smaller lot than 83% of homes in Los Angeles County
  • Older than 66% of homes in Los Angeles County

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
$496K$966K

This home is worth more than 84% 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$807,714
CheaperTypical $716,154Pricier

Pricier than 84% of homes nearby

Price per ft²$713
CheaperTypical $581Pricier

Pricier than 85% of homes nearby

Living area1,133 ft²
SmallerTypical 1,236 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.12 ac
SmallerTypical 0.12 acBigger

Bigger than 47% of homes nearby

Year built1950
OlderTypical 1952Newer

Newer than 40% of homes nearby

How 10509 Borson St ranks against every home in each area.
MeasureThis homeRancho Santa GertrudesNorwalk 90650Los Angeles County
Estimated valuepricier than$807,71461% of homes84% of homes46% of homes
Price per ft²pricier than$71389% of homes85% of homes73% of homes
Living areabigger than1,133 ft²25% of homes39% of homes19% of homes
Lot sizebigger than0.12 ac26% of homes47% of homes17% of homes
Year builtnewer than195039% of homes40% of homes34% of homes

About 10509 Borson St

How much is 10509 Borson St, Norwalk, CA worth?

The TopHap Estimate for 10509 Borson St, Norwalk, CA is $807,714 as of Sep 24, 2026. The likely range is $784,761 to $830,667. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10509 Borson St, Norwalk, CA last sell?

10509 Borson St, Norwalk, CA last sold on Sep 19, 2024 for $750,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 10509 Borson St, Norwalk, CA?

10509 Borson St, Norwalk, CA has 3 bedrooms, 1 bathrooms, 1,133 square feet of living space and a 0.12-acre lot.

When was 10509 Borson St, Norwalk, CA built?

10509 Borson St, Norwalk, CA was built in 1950, making it 76 years old.

What schools serve 10509 Borson St, Norwalk, CA?

10509 Borson St, Norwalk, CA is assigned to New River Elementary School (elementary), rated C; Corvallis Middle School (middle), rated C; Norwalk High School (high), rated B-. All sit in Norwalk-la Mirada Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10509 Borson St, Norwalk, CA compare to other homes in Norwalk 90650?

Among the 22,051 homes in Norwalk 90650, it is worth more than 84% of them ($807,714 against a typical $716,154), its price per square foot is higher than 85% of them ($713 against a typical $581), it is bigger than 39% of them (1,133 ft² against a typical 1,236 ft²), its lot is bigger than 47% of them (0.12 ac against a typical 0.12 ac) and it is newer than 40% of them (1950 against a typical 1952). Measured against all of Los Angeles County, it is worth more than 46% 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 10509 Borson St, Norwalk, CA?

The 2025 property tax bill for 10509 Borson St, Norwalk, CA was $9,637. The county assessed it at $765,000.

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