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Single Family ResidenceResidential
$789,631$615 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $495,000 on Apr 20, 2020

18784 ALDERBURY DR

ROWLAND HEIGHTS, CA 91748
3
Beds
2
Baths
1,284 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$790K
$747K low$832K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$495,000 · Apr 20, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,095 (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.$727,313 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$513,136
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$214,177
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$713,053

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1962
Lot (acres)The size of the land the home sits on, from county records.0.20
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.Composition 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.Yes

Transaction History(11)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(4)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Blandford Elementary SchoolA-
Elementary · Grades KG–6 · 0.3 mi
M
Alvarado Intermediate SchoolB
Middle · Grades 7–8 · 0.8 mi
H
John A. Rowland High SchoolA-
High · Grades 9–12 · 0.9 mi

District: Rowland Unified School District

Neighborhood · ZIP 91748These 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.60
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 100.400

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
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.41,340
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,384 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,796
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,738
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%

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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

18784 Alderbury 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 less than 72% of homes in Rowland Heights 91748
  • Costs more per square foot than 83% of homes in Rowland Heights 91748
  • Smaller than 79% of homes in Rowland Heights 91748
  • Has a bigger lot than 65% of homes in Los Angeles County
  • Older than 81% of homes in Rowland Heights 91748

What homes are worth in Rowland Heights 91748

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

This home
$436K$1.9M

This home is worth more than 28% of homes in Rowland Heights 91748.

How it measures up in Rowland Heights 91748

The dot is this home. The mark in the middle is the typical home in Rowland Heights 91748.

Estimated value$789,631
CheaperTypical $920,965Pricier

Pricier than 28% of homes nearby

Price per ft²$615
CheaperTypical $523Pricier

Pricier than 83% of homes nearby

Living area1,284 ft²
SmallerTypical 1,742 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.2 ac
SmallerTypical 0.17 acBigger

Bigger than 62% of homes nearby

Year built1961
OlderTypical 1973Newer

Newer than 19% of homes nearby

How 18784 Alderbury Dr ranks against every home in each area.
MeasureThis homeRowland Heights 91748Los Angeles County
Estimated valuepricier than$789,63128% of homes44% of homes
Price per ft²pricier than$61583% of homes59% of homes
Living areabigger than1,284 ft²21% of homes30% of homes
Lot sizebigger than0.2 ac62% of homes65% of homes
Year builtnewer than196119% of homes57% of homes

About 18784 Alderbury Dr

How much is 18784 Alderbury Dr, Rowland Heights, CA worth?

The TopHap Estimate for 18784 Alderbury Dr, Rowland Heights, CA is $789,631 as of Sep 24, 2026. The likely range is $746,889 to $832,373. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18784 Alderbury Dr, Rowland Heights, CA last sell?

18784 Alderbury Dr, Rowland Heights, CA last sold on Apr 20, 2020 for $495,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 18784 Alderbury Dr, Rowland Heights, CA?

18784 Alderbury Dr, Rowland Heights, CA has 3 bedrooms, 2 bathrooms, 1,284 square feet of living space and a 0.20-acre lot.

When was 18784 Alderbury Dr, Rowland Heights, CA built?

18784 Alderbury Dr, Rowland Heights, CA was built in 1961, making it 65 years old. It is a conventional home. The building has 1 story.

What schools serve 18784 Alderbury Dr, Rowland Heights, CA?

18784 Alderbury Dr, Rowland Heights, CA is assigned to Blandford Elementary School (elementary), rated A-; Alvarado Intermediate School (middle), rated B; John A. Rowland High School (high), rated A-. All sit in Rowland Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18784 Alderbury Dr, Rowland Heights, CA compare to other homes in Rowland Heights 91748?

Among the 10,791 homes in Rowland Heights 91748, it is worth more than 28% of them ($789,631 against a typical $920,965), its price per square foot is higher than 83% of them ($615 against a typical $523), it is bigger than 21% of them (1,284 ft² against a typical 1,742 ft²), its lot is bigger than 62% of them (0.2 ac against a typical 0.17 ac) and it is newer than 19% of them (1961 against a typical 1973). Measured against all of Los Angeles County, it is worth more than 44% 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 18784 Alderbury Dr, Rowland Heights, CA?

The 2025 property tax bill for 18784 Alderbury Dr, Rowland Heights, CA was $9,095. The county assessed it at $727,313.

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