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Single Family ResidenceResidential
$632,533$859 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

21189 SUMMIT RD

TOPANGA, CA 90290
2
Beds
1
Baths
736 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.
0.25 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.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$633K
$558K low$707K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,735 (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.$105,613 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$63,376
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$42,237
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$103,543

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.0.25
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.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Topanga Elementary Charter SchoolA+
Elementary · Grades KG–5 · 1.0 mi
H
Taft Charter High SchoolB+
High · Grades 9–12 · 4.6 mi
M
Woodland Hills AcademyC-
Middle · Grades 6–8 · 4.6 mi

District: Los Angeles Unified School District

Neighborhood · ZIP 90290These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.331

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.6,960
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.339 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$148,499
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$192,080
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.24 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

21189 Summit Rd 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 less than 96% of homes in Topanga 90290
  • Costs more per square foot than 86% of homes in Los Angeles County
  • Smaller than 97% of homes in Los Angeles County
  • Has a bigger lot than 72% of homes in Los Angeles County
  • Older than 67% of homes in Topanga 90290

What homes are worth in Topanga 90290

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

This home
$578K$4.4M

This home is worth more than 4% of homes in Topanga 90290.

How it measures up in Topanga 90290

The dot is this home. The mark in the middle is the typical home in Topanga 90290.

Estimated value$632,533
CheaperTypical $1,480,267Pricier

Pricier than 4% of homes nearby

Price per ft²$859
CheaperTypical $870Pricier

Pricier than 48% of homes nearby

Living area736 ft²
SmallerTypical 1,661 ft²Bigger

Bigger than 9% of homes nearby

Lot size0.25 ac
SmallerTypical 0.42 acBigger

Bigger than 31% of homes nearby

Year built1950
OlderTypical 1971Newer

Newer than 33% of homes nearby

How 21189 Summit Rd ranks against every home in each area.
MeasureThis homeTopanga 90290Los Angeles County
Estimated valuepricier than$632,5334% of homes22% of homes
Price per ft²pricier than$85948% of homes86% of homes
Living areabigger than736 ft²9% of homes3% of homes
Lot sizebigger than0.25 ac31% of homes72% of homes
Year builtnewer than195033% of homes34% of homes

About 21189 Summit Rd

How much is 21189 Summit Rd, Topanga, CA worth?

The TopHap Estimate for 21189 Summit Rd, Topanga, CA is $632,533 as of Oct 21, 2026. The likely range is $558,036 to $707,030. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21189 Summit Rd, Topanga, CA last sell?

21189 Summit Rd, Topanga, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21189 Summit Rd, Topanga, CA?

21189 Summit Rd, Topanga, CA has 2 bedrooms, 1 bathrooms, 736 square feet of living space and a 0.25-acre lot.

When was 21189 Summit Rd, Topanga, CA built?

21189 Summit Rd, Topanga, CA was built in 1950, making it 76 years old. It is a conventional home. The building has 1 story.

What schools serve 21189 Summit Rd, Topanga, CA?

21189 Summit Rd, Topanga, CA is assigned to Topanga Elementary Charter School (elementary), rated A+; Taft Charter High School (high), rated B+; Woodland Hills Academy (middle), rated C-. All sit in Los Angeles Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21189 Summit Rd, Topanga, CA compare to other homes in Topanga 90290?

Among the 2,275 homes in Topanga 90290, it is worth more than 4% of them ($632,533 against a typical $1,480,267), its price per square foot is higher than 48% of them ($859 against a typical $870), it is bigger than 9% of them (736 ft² against a typical 1,661 ft²), its lot is bigger than 31% of them (0.25 ac against a typical 0.42 ac) and it is newer than 33% of them (1950 against a typical 1971). Measured against all of Los Angeles County, it is worth more than 22% 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 21189 Summit Rd, Topanga, CA?

The 2025 property tax bill for 21189 Summit Rd, Topanga, CA was $1,735. The county assessed it at $105,613.

More homes on Summit Rd

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More homes in Topanga 90290

Assigned schools

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