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Single Family ResidenceResidential
$849,297$425 / 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 96How 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

20430 MANDELL ST

WINNETKA, CA 91306
5
Beds
3
Baths
1,997 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$849K
$817K low$882K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,490 (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.$441,513 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$232,533
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$208,980
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$432,857

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
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.1959
Lot (acres)The size of the land the home sits on, from county records.0.17
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.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Limerick Avenue ElementaryB-
Elementary · Grades PK–5 · 0.4 mi
M
John A. Sutter Middle SchoolD
Middle · Grades 6–8 · 1.3 mi
H
Cleveland Charter High SchoolB+
High · Grades 9–12 · 1.8 mi

District: Los Angeles Unified School District

Neighborhood · ZIP 91306These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.413

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.23%
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.45,234
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,624 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,857
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,476
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

20430 Mandell 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 74% of homes in Winnetka 91306
  • Costs less per square foot than 85% of homes in Los Angeles County
  • Bigger than 81% of homes in Winnetka 91306
  • Older than 68% of homes in Winnetka 91306

What homes are worth in Winnetka 91306

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

This home
$348K$1.1M

This home is worth more than 74% of homes in Winnetka 91306.

How it measures up in Winnetka 91306

The dot is this home. The mark in the middle is the typical home in Winnetka 91306.

Estimated value$849,297
CheaperTypical $772,731Pricier

Pricier than 74% of homes nearby

Price per ft²$425
CheaperTypical $479Pricier

Pricier than 29% of homes nearby

Living area1,997 ft²
SmallerTypical 1,534 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 46% of homes nearby

Year built1954
OlderTypical 1956Newer

Newer than 32% of homes nearby

How 20430 Mandell St ranks against every home in each area.
MeasureThis homeWinnetka 91306Los Angeles County
Estimated valuepricier than$849,29774% of homes50% of homes
Price per ft²pricier than$42529% of homes15% of homes
Living areabigger than1,997 ft²81% of homes69% of homes
Lot sizebigger than0.17 ac46% of homes54% of homes
Year builtnewer than195432% of homes44% of homes

About 20430 Mandell St

How much is 20430 Mandell St, Winnetka, CA worth?

The TopHap Estimate for 20430 Mandell St, Winnetka, CA is $849,297 as of Sep 24, 2026. The likely range is $816,629 to $881,965. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20430 Mandell St, Winnetka, CA last sell?

20430 Mandell St, Winnetka, CA last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20430 Mandell St, Winnetka, CA?

20430 Mandell St, Winnetka, CA has 5 bedrooms, 3 bathrooms, 1,997 square feet of living space and a 0.17-acre lot.

When was 20430 Mandell St, Winnetka, CA built?

20430 Mandell St, Winnetka, CA was built in 1954, making it 72 years old. It is a conventional home. The building has 1 story.

What schools serve 20430 Mandell St, Winnetka, CA?

20430 Mandell St, Winnetka, CA is assigned to Limerick Avenue Elementary (elementary), rated B-; John A. Sutter Middle School (middle), rated D; Cleveland Charter High School (high), rated B+. All sit in Los Angeles Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20430 Mandell St, Winnetka, CA compare to other homes in Winnetka 91306?

Among the 10,719 homes in Winnetka 91306, it is worth more than 74% of them ($849,297 against a typical $772,731), its price per square foot is higher than 29% of them ($425 against a typical $479), it is bigger than 81% of them (1,997 ft² against a typical 1,534 ft²), its lot is bigger than 46% of them (0.17 ac against a typical 0.17 ac) and it is newer than 32% of them (1954 against a typical 1956). Measured against all of Los Angeles County, it is worth more than 50% 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 20430 Mandell St, Winnetka, CA?

The 2025 property tax bill for 20430 Mandell St, Winnetka, CA was $5,490. The county assessed it at $441,513.

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