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Single Family ResidenceResidential
$812,810$625 / 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 Jul 14, 2026
Last sold for $207,000 on Nov 17, 2000

8551 OSO AVE

WINNETKA, CA 91306
3
Beds
2
Baths
1,300 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.
0.18 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

$813K
$782K low$844K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$207,000 · Nov 17, 2000
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.$554,037
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$443,230
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.34%
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.$163,600
GREENLIGHT FINANCIAL SERVICES · recorded Jul 2, 2003
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.$95,173
WELLS FARGO BANK NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,406 (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.$350,520 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$197,984
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$152,536
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$343,648

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.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.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
Lot (acres)The size of the land the home sits on, from county records.0.18
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.Central
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(4)

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
H
Cleveland Charter High SchoolA
High · Grades 9–12 · 1.6 mi
M
Ernest Lawrence Middle SchoolB
Middle · Grades 6–8 · 2.1 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

8551 Oso Ave 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.

  • Costs more per square foot than 92% of homes in Winnetka 91306
  • Smaller than 76% 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
$337K$1.1M

This home is worth more than 61% 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$812,810
CheaperTypical $780,984Pricier

Pricier than 61% of homes nearby

Price per ft²$625
CheaperTypical $483Pricier

Pricier than 92% of homes nearby

Living area1,300 ft²
SmallerTypical 1,539 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.18 ac
SmallerTypical 0.17 acBigger

Bigger than 55% of homes nearby

Year built1954
OlderTypical 1956Newer

Newer than 32% of homes nearby

How 8551 Oso Ave ranks against every home in each area.
MeasureThis homeWinnetka 91306Los Angeles County
Estimated valuepricier than$812,81061% of homes48% of homes
Price per ft²pricier than$62592% of homes61% of homes
Living areabigger than1,300 ft²24% of homes31% of homes
Lot sizebigger than0.18 ac55% of homes57% of homes
Year builtnewer than195432% of homes44% of homes

About 8551 Oso Ave

How much is 8551 Oso Ave, Winnetka, CA worth?

The TopHap Estimate for 8551 Oso Ave, Winnetka, CA is $812,810 as of Jul 14, 2026. The likely range is $781,577 to $844,043. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8551 Oso Ave, Winnetka, CA last sell?

8551 Oso Ave, Winnetka, CA last sold on Nov 17, 2000 for $207,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 8551 Oso Ave, Winnetka, CA?

8551 Oso Ave, Winnetka, CA has 3 bedrooms, 2 bathrooms, 1,300 square feet of living space and a 0.18-acre lot.

When was 8551 Oso Ave, Winnetka, CA built?

8551 Oso Ave, Winnetka, CA was built in 1954, making it 72 years old. It is a conventional home. The building has 1 story.

What schools serve 8551 Oso Ave, Winnetka, CA?

8551 Oso Ave, Winnetka, CA is assigned to Limerick Avenue Elementary (elementary), rated B; Cleveland Charter High School (high), rated A; Ernest Lawrence Middle School (middle), rated B. All sit in Los Angeles Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8551 Oso Ave, Winnetka, CA compare to other homes in Winnetka 91306?

Among the 10,740 homes in Winnetka 91306, it is worth more than 61% of them ($812,810 against a typical $780,984), its price per square foot is higher than 92% of them ($625 against a typical $483), it is bigger than 24% of them (1,300 ft² against a typical 1,539 ft²), its lot is bigger than 55% of them (0.18 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 48% 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 8551 Oso Ave, Winnetka, CA?

The 2025 property tax bill for 8551 Oso Ave, Winnetka, CA was $4,406. The county assessed it at $350,520.

Closest homes

More homes in Winnetka 91306

Assigned schools

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