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Single Family ResidenceResidential
$901,129$498 / 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 92How 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

815 GOLDEN PRADOS DR

DIAMOND BAR, CA 91765
4
Beds
3
Baths
1,811 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
13
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$901K
$829K low$973K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,981 (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.$249,313 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$78,162
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$171,151
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$244,426

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.0.29
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(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.

M
Lorbeer Middle SchoolC+
Middle · Grades 7–8 · 0.6 mi
E
Armstrong Elementary SchoolC
Elementary · Grades KG–6 · 0.9 mi
H
Diamond Ranch High SchoolA-
High · Grades 9–12 · 2.1 mi

District: Pomona 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

815 Golden Prados 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.

  • Costs less per square foot than 69% of homes in Diamond Bar 91765
  • Has a bigger lot than 76% of homes in Los Angeles County
  • Older than 74% 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
$339K$3.2M

This home is worth more than 38% 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$901,129
CheaperTypical $994,979Pricier

Pricier than 38% of homes nearby

Price per ft²$498
CheaperTypical $536Pricier

Pricier than 31% of homes nearby

Living area1,811 ft²
SmallerTypical 1,816 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.29 ac
SmallerTypical 0.25 acBigger

Bigger than 56% of homes nearby

Year built1972
OlderTypical 1979Newer

Newer than 26% of homes nearby

How 815 Golden Prados Dr ranks against every home in each area.
MeasureThis homeDiamond Bar 91765Los Angeles County
Estimated valuepricier than$901,12938% of homes58% of homes
Price per ft²pricier than$49831% of homes35% of homes
Living areabigger than1,811 ft²50% of homes62% of homes
Lot sizebigger than0.29 ac56% of homes76% of homes
Year builtnewer than197226% of homes68% of homes

About 815 Golden Prados Dr

How much is 815 Golden Prados Dr, Diamond Bar, CA worth?

The TopHap Estimate for 815 Golden Prados Dr, Diamond Bar, CA is $901,129 as of Aug 30, 2026. The likely range is $829,016 to $973,242. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 815 Golden Prados Dr, Diamond Bar, CA last sell?

815 Golden Prados Dr, Diamond Bar, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 815 Golden Prados Dr, Diamond Bar, CA?

815 Golden Prados Dr, Diamond Bar, CA has 4 bedrooms, 3 bathrooms, 1,811 square feet of living space and a 0.29-acre lot.

When was 815 Golden Prados Dr, Diamond Bar, CA built?

815 Golden Prados Dr, Diamond Bar, CA was built in 1972, making it 54 years old. It is a conventional home. The building has 2 stories.

What schools serve 815 Golden Prados Dr, Diamond Bar, CA?

815 Golden Prados Dr, Diamond Bar, CA is assigned to Lorbeer Middle School (middle), rated C+; Armstrong Elementary School (elementary), rated C; Diamond Ranch High School (high), rated A-. All sit in Pomona Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 815 Golden Prados Dr, 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 38% of them ($901,129 against a typical $994,979), its price per square foot is higher than 31% of them ($498 against a typical $536), it is bigger than 50% of them (1,811 ft² against a typical 1,816 ft²), its lot is bigger than 56% of them (0.29 ac against a typical 0.25 ac) and it is newer than 26% of them (1972 against a typical 1979). Measured against all of Los Angeles County, it is worth more than 58% 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 815 Golden Prados Dr, Diamond Bar, CA?

The 2025 property tax bill for 815 Golden Prados Dr, Diamond Bar, CA was $3,981. The county assessed it at $249,313.

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