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Single Family ResidenceResidential
$1,071,917$332 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $230,000 on Mar 10, 1998

20448 STRATHERN ST

WINNETKA, CA 91306
4
Beds
3
Baths
3,229 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$992K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · Mar 10, 1998
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$641,917
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$513,534
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.41%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$280,000
WELLS FARGO BANK NA · recorded Mar 16, 2016
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$150,000
WELLS FARGO BANK NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,749 (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.$367,221 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$96,268
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$270,953
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$360,022

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.0.14
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.Wood Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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.

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

E
Sunny Brae Avenue Elementary SchoolC+
Elementary · Grades KG–5 · 0.3 mi
M
John A. Sutter Middle SchoolC+
Middle · Grades 6–8 · 0.9 mi
H
Cleveland Charter High SchoolA
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

20448 Strathern 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 97% of homes in Winnetka 91306
  • Costs less per square foot than 97% of homes in Winnetka 91306
  • Bigger than 98% of homes in Winnetka 91306
  • Has a smaller lot than 87% of homes in Winnetka 91306
  • Newer than 80% 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
$343K$1.1M

This home is worth more than 97% 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$1,071,917
CheaperTypical $781,285Pricier

Pricier than 97% of homes nearby

Price per ft²$332
CheaperTypical $485Pricier

Pricier than 3% of homes nearby

Living area3,229 ft²
SmallerTypical 1,533 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.14 ac
SmallerTypical 0.17 acBigger

Bigger than 13% of homes nearby

Year built1978
OlderTypical 1956Newer

Newer than 80% of homes nearby

How 20448 Strathern St ranks against every home in each area.
MeasureThis homeWinnetka 91306Los Angeles County
Estimated valuepricier than$1,071,91797% of homes69% of homes
Price per ft²pricier than$3323% of homes7% of homes
Living areabigger than3,229 ft²98% of homes90% of homes
Lot sizebigger than0.14 ac13% of homes26% of homes
Year builtnewer than197880% of homes74% of homes

About 20448 Strathern St

How much is 20448 Strathern St, Winnetka, CA worth?

The TopHap Estimate for 20448 Strathern St, Winnetka, CA is $1,071,917 as of Jul 14, 2026. The likely range is $991,866 to $1,151,968. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20448 Strathern St, Winnetka, CA last sell?

20448 Strathern St, Winnetka, CA last sold on Mar 10, 1998 for $230,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 20448 Strathern St, Winnetka, CA?

20448 Strathern St, Winnetka, CA has 4 bedrooms, 3 bathrooms, 3,229 square feet of living space and a 0.14-acre lot.

When was 20448 Strathern St, Winnetka, CA built?

20448 Strathern St, Winnetka, CA was built in 1978, making it 48 years old. It is a conventional home. The building has 2 stories.

What schools serve 20448 Strathern St, Winnetka, CA?

20448 Strathern St, Winnetka, CA is assigned to Sunny Brae Avenue Elementary School (elementary), rated C+; John A. Sutter Middle School (middle), rated C+; Cleveland Charter High School (high), rated A. All sit in Los Angeles Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20448 Strathern St, Winnetka, CA compare to other homes in Winnetka 91306?

Among the 10,740 homes in Winnetka 91306, it is worth more than 97% of them ($1,071,917 against a typical $781,285), its price per square foot is higher than 3% of them ($332 against a typical $485), it is bigger than 98% of them (3,229 ft² against a typical 1,533 ft²), its lot is bigger than 13% of them (0.14 ac against a typical 0.17 ac) and it is newer than 80% of them (1978 against a typical 1956). Measured against all of Los Angeles County, it is worth more than 69% 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 20448 Strathern St, Winnetka, CA?

The 2025 property tax bill for 20448 Strathern St, Winnetka, CA was $4,749. The county assessed it at $367,221.

Closest homes

More homes in Winnetka 91306

Assigned schools

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