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CondominiumResidential

8231 Mason Ave

WINNETKA, CA 91306
3.63 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
Built 19795 units1,202–1,424 ft²
$3M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$615K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$440
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+1.3%vs the Winnetka ZIP median sale $/ft² ($434)

Sales Performance

$549K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
20.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.3%per yeartypical hold 4.8 yrsfrom 19 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19881994200120042010201520172026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19881994200120042010201520172026

24 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

2 bed
1 unit
3 bed
4 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
3 bd · 3 ba · 1,424 ft²
3 units
One-off layouts
2 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$543K–$550K
2 units
$615K–$626K
2 units
$677K–$677K
1 unit

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.60%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.20%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.6.9 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.0%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.60%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$610,034
Median tax billThe middle annual property tax bill among the building's units.$5,956
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit EJan 15, 2026$549,000Unit EAug 18, 2021$535,000Unit AJun 17, 2021$545,000Unit BNov 21, 2019$437,000Unit AAug 13, 2019$385,500Unit CSep 25, 2017$385,000Unit DSep 22, 2017$395,000Unit EDec 22, 2016$325,000Unit BNov 20, 2015$347,000Unit EJul 8, 2014$285,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyLOS ANGELES
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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.Yes

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 · 0.4 mi
M
John A. Sutter Middle SchoolC+
Middle · Grades 6–8 · 1.2 mi
H
Canoga Park High SchoolC-
High · Grades 9–12 · 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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

8231 Mason Ave
3 bd · 3 ba · 1,389 ft²
$677K
8231 Mason Ave # B
3 bd · 3 ba · 1,424 ft²
$615K
8231 Mason Ave # C
3 bd · 3 ba · 1,424 ft²
$550K
8231 Mason Ave # D
3 bd · 3 ba · 1,424 ft²
$626K
8231 Mason Ave
2 bd · 2 ba · 1,202 ft²
$543K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 8231 Mason Ave

How many units are in 8231 Mason Ave, Winnetka, CA?

8231 Mason Ave, Winnetka, CA has 5 residential units across built in 1979, according to county assessor records.

What is a unit at 8231 Mason Ave, Winnetka, CA worth?

The median TopHap Estimate across the 5 units at 8231 Mason Ave, Winnetka, CA is $615,470. That works out to $440 per square foot. Units run from 1,202 to 1,424 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 8231 Mason Ave, Winnetka, CA expensive for Winnetka?

Units at 8231 Mason Ave, Winnetka, CA carry a median of $440 per square foot, 1% above the Winnetka median of $434 per square foot.

How often do units sell at 8231 Mason Ave, Winnetka, CA?

1 units at 8231 Mason Ave, Winnetka, CA sold in the last 12 months, out of 24 recorded arms-length sales all time. That is a turnover rate of 20.0% of the building per year. The median sale over that period was $549K.

Have units at 8231 Mason Ave, Winnetka, CA appreciated?

Across 19 repeat sales of the same unit, 8231 Mason Ave, Winnetka, CA returned a median 3.3% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 4.8 years.

What floor plans does 8231 Mason Ave, Winnetka, CA have?

The most common plan at 8231 Mason Ave, Winnetka, CA is a 3-bedroom of 1,424 square feet, repeated 3 times, with a median estimate of $615,470. TopHap identifies 1 recurring plans in the building.

More homes on Mason Ave

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Assigned schools

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