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Single Family ResidenceResidential
$628,604$488 / 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 94How 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

1643 DEL MAR AVE

ROSEMEAD, CA 91770
3
Beds
2
Baths
1,289 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$629K
$590K low$667K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,937 (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.$394,046 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$297,799
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$96,247
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$386,320

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.0.14
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Potrero Heights ElementaryA+
Elementary · Grades KG–5 · 0.4 mi
M
Macy IntermediateB+
Middle · Grades 6–8 · 1.6 mi
H
Schurr High SchoolB
High · Grades 9–12 · 2.0 mi

District: Montebello Unified 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

1643 Del Mar 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.

  • Worth less than 84% of homes in Rosemead 91770
  • Costs less per square foot than 70% of homes in Rosemead 91770
  • Smaller than 70% of homes in Los Angeles County
  • Has a smaller lot than 74% of homes in Rosemead 91770

What homes are worth in Rosemead 91770

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

This home
$466K$1.4M

This home is worth more than 16% 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.

Estimated value$628,604
CheaperTypical $810,598Pricier

Pricier than 16% of homes nearby

Price per ft²$488
CheaperTypical $559Pricier

Pricier than 30% of homes nearby

Living area1,289 ft²
SmallerTypical 1,524 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.14 ac
SmallerTypical 0.16 acBigger

Bigger than 26% of homes nearby

Year built1955
OlderTypical 1953Newer

Newer than 55% of homes nearby

How 1643 Del Mar Ave ranks against every home in each area.
MeasureThis homeRosemead 91770Los Angeles County
Estimated valuepricier than$628,60416% of homes25% of homes
Price per ft²pricier than$48830% of homes32% of homes
Living areabigger than1,289 ft²33% of homes30% of homes
Lot sizebigger than0.14 ac26% of homes26% of homes
Year builtnewer than195555% of homes48% of homes

About 1643 Del Mar Ave

How much is 1643 Del Mar Ave, Rosemead, CA worth?

The TopHap Estimate for 1643 Del Mar Ave, Rosemead, CA is $628,604 as of Aug 30, 2026. The likely range is $589,789 to $667,419. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1643 Del Mar Ave, Rosemead, CA last sell?

1643 Del Mar Ave, Rosemead, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1643 Del Mar Ave, Rosemead, CA?

1643 Del Mar Ave, Rosemead, CA has 3 bedrooms, 2 bathrooms, 1,289 square feet of living space and a 0.14-acre lot.

When was 1643 Del Mar Ave, Rosemead, CA built?

1643 Del Mar Ave, Rosemead, CA was built in 1955, making it 71 years old. It is a conventional home. The building has 1 story.

What schools serve 1643 Del Mar Ave, Rosemead, CA?

1643 Del Mar Ave, Rosemead, CA is assigned to Potrero Heights Elementary (elementary), rated A+; Macy Intermediate (middle), rated B+; Schurr High School (high), rated B. All sit in Montebello Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1643 Del Mar Ave, Rosemead, CA compare to other homes in Rosemead 91770?

Among the 11,982 homes in Rosemead 91770, it is worth more than 16% of them ($628,604 against a typical $810,598), its price per square foot is higher than 30% of them ($488 against a typical $559), it is bigger than 33% of them (1,289 ft² against a typical 1,524 ft²), its lot is bigger than 26% of them (0.14 ac against a typical 0.16 ac) and it is newer than 55% of them (1955 against a typical 1953). Measured against all of Los Angeles County, it is worth more than 25% 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 1643 Del Mar Ave, Rosemead, CA?

The 2025 property tax bill for 1643 Del Mar Ave, Rosemead, CA was $4,937. The county assessed it at $394,046.

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