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Single Family ResidenceResidential
$971,914$544 / 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 90How 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

22431 ROBIN OAKS TER

DIAMOND BAR, CA 91765
3
Beds
2
Baths
1,786 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
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

$972K
$878K low$1.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,055 (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.$116,210 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$26,972
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$89,238
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$113,933

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.0.19
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.No

Transaction History(9)

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
Maple Hill Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi
M
Chaparral Middle SchoolA+
Middle · Grades 6–8 · 0.4 mi
H
Diamond Bar High SchoolA+
High · Grades 9–12 · 1.0 mi

District: Walnut Valley Unified School District

Neighborhood · ZIP 91765These 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.46
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.388

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.96%
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.9.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.41,302
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,738 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,979
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,933
Average tempThe average temperature here across a full year.63°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%

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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

22431 Robin Oaks Ter 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.

  • Has a smaller lot than 76% of homes in Diamond Bar 91765
  • Older than 80% of homes in Diamond Bar 91765

What homes are worth in Diamond Bar 91765

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

This home
$364K$3.7M

This home is worth more than 47% of homes in Diamond Bar 91765.

How it measures up in Diamond Bar 91765

The dot is this home. The mark in the middle is the typical home in Diamond Bar 91765.

Estimated value$971,914
CheaperTypical $992,205Pricier

Pricier than 47% of homes nearby

Price per ft²$544
CheaperTypical $536Pricier

Pricier than 54% of homes nearby

Living area1,786 ft²
SmallerTypical 1,810 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.19 ac
SmallerTypical 0.25 acBigger

Bigger than 24% of homes nearby

Year built1968
OlderTypical 1979Newer

Newer than 20% of homes nearby

How 22431 Robin Oaks Ter ranks against every home in each area.
MeasureThis homeDiamond Bar 91765Los Angeles County
Estimated valuepricier than$971,91447% of homes63% of homes
Price per ft²pricier than$54454% of homes46% of homes
Living areabigger than1,786 ft²49% of homes60% of homes
Lot sizebigger than0.19 ac24% of homes61% of homes
Year builtnewer than196820% of homes65% of homes

About 22431 Robin Oaks Ter

How much is 22431 Robin Oaks Ter, Diamond Bar, CA worth?

The TopHap Estimate for 22431 Robin Oaks Ter, Diamond Bar, CA is $971,914 as of Aug 30, 2026. The likely range is $877,640 to $1,066,188. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 22431 Robin Oaks Ter, Diamond Bar, CA last sell?

22431 Robin Oaks Ter, Diamond Bar, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 22431 Robin Oaks Ter, Diamond Bar, CA?

22431 Robin Oaks Ter, Diamond Bar, CA has 3 bedrooms, 2 bathrooms, 1,786 square feet of living space and a 0.19-acre lot.

When was 22431 Robin Oaks Ter, Diamond Bar, CA built?

22431 Robin Oaks Ter, Diamond Bar, CA was built in 1968, making it 58 years old. It is a conventional home. The building has 1 story.

What schools serve 22431 Robin Oaks Ter, Diamond Bar, CA?

22431 Robin Oaks Ter, Diamond Bar, CA is assigned to Maple Hill Elementary School (elementary), rated A+; Chaparral Middle School (middle), rated A+; Diamond Bar High School (high), rated A+. All sit in Walnut Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 22431 Robin Oaks Ter, Diamond Bar, CA compare to other homes in Diamond Bar 91765?

Among the 15,284 homes in Diamond Bar 91765, it is worth more than 47% of them ($971,914 against a typical $992,205), its price per square foot is higher than 54% of them ($544 against a typical $536), it is bigger than 49% of them (1,786 ft² against a typical 1,810 ft²), its lot is bigger than 24% of them (0.19 ac against a typical 0.25 ac) and it is newer than 20% of them (1968 against a typical 1979). Measured against all of Los Angeles County, it is worth more than 63% 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 22431 Robin Oaks Ter, Diamond Bar, CA?

The 2025 property tax bill for 22431 Robin Oaks Ter, Diamond Bar, CA was $2,055. The county assessed it at $116,210.

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