Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$3,745,370$1,535 / 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 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $2,000,000 on Jan 20, 2010

20721 BIG ROCK DR

MALIBU, CA 90265
4
Beds
3
Baths
2,440 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$3.7M
$3.1M low$4.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,000,000 · Jan 20, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,368 (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.$1,369,303 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,369,303
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,342,454

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
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
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Webster Elementary SchoolA+
Elementary · Grades KG–5 · 4.4 mi
M
Malibu Middle SchoolB+
Middle · Grades 6–8 · 11.8 mi
H
Malibu High SchoolA-
High · Grades 9–12 · 11.9 mi

District: Santa Monica-Malibu Unified School District

Neighborhood · ZIP 90265These 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.154
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.475

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.72%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.17,627
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.153 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$171,782
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$251,842
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.19 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

Owner Tools

Do you own this home?
Claim this home

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

20721 Big Rock Dr 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 98% of homes in Los Angeles County
  • Costs more per square foot than 98% of homes in Los Angeles County
  • Bigger than 81% of homes in Los Angeles County
  • Has a bigger lot than 90% of homes in Los Angeles County
  • Newer than 89% of homes in Los Angeles County

What homes are worth in Malibu 90265

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

This home
$856K$10M

This home is worth more than 51% of homes in Malibu 90265.

How it measures up in Malibu 90265

The dot is this home. The mark in the middle is the typical home in Malibu 90265.

Estimated value$3,745,370
CheaperTypical $3,701,813Pricier

Pricier than 51% of homes nearby

Price per ft²$1535
CheaperTypical $1480Pricier

Pricier than 54% of homes nearby

Living area2,440 ft²
SmallerTypical 2,321 ft²Bigger

Bigger than 54% of homes nearby

Lot size1 ac
SmallerTypical 0.67 acBigger

Bigger than 59% of homes nearby

Year built1995
OlderTypical 1974Newer

Newer than 82% of homes nearby

How 20721 Big Rock Dr ranks against every home in each area.
MeasureThis homeBig RockMalibu 90265Los Angeles County
Estimated valuepricier than$3,745,37061% of homes51% of homes98% of homes
Price per ft²pricier than$153553% of homes54% of homes98% of homes
Living areabigger than2,440 ft²54% of homes54% of homes81% of homes
Lot sizebigger than1 ac87% of homes59% of homes90% of homes
Year builtnewer than199588% of homes82% of homes89% of homes

About 20721 Big Rock Dr

How much is 20721 Big Rock Dr, Malibu, CA worth?

The TopHap Estimate for 20721 Big Rock Dr, Malibu, CA is $3,745,370 as of Aug 30, 2026. The likely range is $3,094,326 to $4,396,414. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20721 Big Rock Dr, Malibu, CA last sell?

20721 Big Rock Dr, Malibu, CA last sold on Jan 20, 2010 for $2,000,000, according to the county's recorded deed.

How big is 20721 Big Rock Dr, Malibu, CA?

20721 Big Rock Dr, Malibu, CA has 4 bedrooms, 3 bathrooms and 2,440 square feet of living space.

When was 20721 Big Rock Dr, Malibu, CA built?

20721 Big Rock Dr, Malibu, CA was built in 1995, making it 31 years old. It is a conventional home. The building has 1 story.

What schools serve 20721 Big Rock Dr, Malibu, CA?

20721 Big Rock Dr, Malibu, CA is assigned to Webster Elementary School (elementary), rated A+; Malibu Middle School (middle), rated B+; Malibu High School (high), rated A-. All sit in Santa Monica-Malibu Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20721 Big Rock Dr, Malibu, CA compare to other homes in Malibu 90265?

Among the 7,696 homes in Malibu 90265, it is worth more than 51% of them ($3,745,370 against a typical $3,701,813), its price per square foot is higher than 54% of them ($1535 against a typical $1480), it is bigger than 54% of them (2,440 ft² against a typical 2,321 ft²), its lot is bigger than 59% of them (1 ac against a typical 0.67 ac) and it is newer than 82% of them (1995 against a typical 1974). Measured against all of Los Angeles County, it is worth more than 98% 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 20721 Big Rock Dr, Malibu, CA?

The 2025 property tax bill for 20721 Big Rock Dr, Malibu, CA was $18,368. The county assessed it at $1,369,303.

More homes on Big Rock Dr

Closest homes

More homes in Malibu 90265

Assigned schools

Explore the area

See this home in context

Open 20721 Big Rock Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map