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Duplex (2 Units, Any Combination)Residential

8831 DE ADALENA ST

ROSEMEAD, CA 91770
5
Beds
3
Baths
2,570 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,829 (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.$513,762 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$332,380
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$181,382
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$503,696

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.50
12
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
73
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
48
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
37
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
83
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.26
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
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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
Mildred B. Janson Elementary SchoolA+
Elementary · Grades KG–6 · 0.3 mi
M
Muscatel Middle SchoolA
Middle · Grades 7–8 · 0.4 mi
H
Rosemead High SchoolA-
High · Grades 9–12 · 0.6 mi

District: Rosemead Elementary School District

Neighborhood · ZIP 91770These 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.57
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.386

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.57,788
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,576 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,486
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,265
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

8831 De Adalena St 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.

  • Bigger than 87% of homes in Rosemead 91770
  • Has a bigger lot than 85% of homes in Rosemead 91770

How it measures up in Rosemead 91770

The dot is this home. The mark in the middle is the typical home in Rosemead 91770.

Living area2,570 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.26 ac
SmallerTypical 0.16 acBigger

Bigger than 85% of homes nearby

Year built1959
OlderTypical 1953Newer

Newer than 61% of homes nearby

How 8831 De Adalena St ranks against every home in each area.
MeasureThis homeRosemead 91770Los Angeles County
Living areabigger than2,570 ft²87% of homes83% of homes
Lot sizebigger than0.26 ac85% of homes73% of homes
Year builtnewer than195961% of homes54% of homes

About 8831 De Adalena St

When did 8831 De Adalena St, Rosemead, CA last sell?

8831 De Adalena St, Rosemead, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 8831 De Adalena St, Rosemead, CA?

8831 De Adalena St, Rosemead, CA has 5 bedrooms, 3 bathrooms, 2,570 square feet of living space and a 0.26-acre lot.

When was 8831 De Adalena St, Rosemead, CA built?

8831 De Adalena St, Rosemead, CA was built in 1959, making it 67 years old. It is a duplex single home. The building has 1 story.

What schools serve 8831 De Adalena St, Rosemead, CA?

8831 De Adalena St, Rosemead, CA is assigned to Mildred B. Janson Elementary School (elementary), rated A+; Muscatel Middle School (middle), rated A; Rosemead High School (high), rated A-. All sit in Rosemead Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8831 De Adalena St, Rosemead, CA compare to other homes in Rosemead 91770?

Among the 11,973 homes in Rosemead 91770, it is bigger than 87% of them (2,570 ft² against a typical 1,512 ft²), its lot is bigger than 85% of them (0.26 ac against a typical 0.16 ac) and it is newer than 61% of them (1959 against a typical 1953). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 8831 De Adalena St, Rosemead, CA?

The 2025 property tax bill for 8831 De Adalena St, Rosemead, CA was $6,829. The county assessed it at $513,762.

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