Skip to content
Skip to content
TopHapOpen in map
Duplex (2 Units, Any Combination)Residential

3874 DELTA AVE

ROSEMEAD, CA 91770
4
Beds
3
Baths
2,085 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1944
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$50,000
CATHAY BANK · recorded Aug 13, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,323 (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.$966,960 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$580,176
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$386,784
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$365,699

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.6 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.Conventional
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.30
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.Floor/Wall Furnace
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(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
Mildred B. Janson Elementary SchoolA+
Elementary · Grades KG–6 · 0.4 mi
M
Muscatel Middle SchoolA
Middle · Grades 7–8 · 0.7 mi
H
Rosemead High SchoolA-
High · Grades 9–12 · 0.9 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

3874 Delta Ave 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 75% of homes in Rosemead 91770
  • Has a bigger lot than 88% of homes in Rosemead 91770
  • Older than 78% of homes in Los Angeles County

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 area2,085 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.3 ac
SmallerTypical 0.16 acBigger

Bigger than 88% of homes nearby

Year built1944
OlderTypical 1953Newer

Newer than 27% of homes nearby

How 3874 Delta Ave ranks against every home in each area.
MeasureThis homeRosemead 91770Los Angeles County
Living areabigger than2,085 ft²75% of homes72% of homes
Lot sizebigger than0.3 ac88% of homes77% of homes
Year builtnewer than194427% of homes22% of homes

About 3874 Delta Ave

When did 3874 Delta Ave, Rosemead, CA last sell?

3874 Delta Ave, Rosemead, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3874 Delta Ave, Rosemead, CA?

3874 Delta Ave, Rosemead, CA has 4 bedrooms, 3 bathrooms, 2,085 square feet of living space and a 0.30-acre lot.

When was 3874 Delta Ave, Rosemead, CA built?

3874 Delta Ave, Rosemead, CA was built in 1944, making it 82 years old. It is a conventional home. The building has 1 story.

What schools serve 3874 Delta Ave, Rosemead, CA?

3874 Delta Ave, 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 3874 Delta Ave, Rosemead, CA compare to other homes in Rosemead 91770?

Among the 11,989 homes in Rosemead 91770, it is bigger than 75% of them (2,085 ft² against a typical 1,512 ft²), its lot is bigger than 88% of them (0.3 ac against a typical 0.16 ac) and it is newer than 27% of them (1944 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 3874 Delta Ave, Rosemead, CA?

The 2025 property tax bill for 3874 Delta Ave, Rosemead, CA was $12,323. The county assessed it at $966,960.

Closest homes

More homes in Rosemead 91770

Assigned schools

Explore the area

See this home in context

Open 3874 Delta Ave 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