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Single Family ResidenceResidential
$586,017$939 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

3251 DEL MAR AVE

ROSEMEAD, CA 91770
2
Beds
1
Baths
624 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.
3,829 ft²
Lot SizeThe size of the land the home sits on, from county records.
1931
Year BuiltThe year the home was originally built, according to county records.

Valuation

$586K
$536K low$636K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$417 (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.$200,930 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$160,790
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,140
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$196,991

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.09
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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(2)

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
Emerson (Ralph Waldo) Elementary SchoolA-
Elementary · Grades KG–6 · 0.3 mi
M
Garvey (Richard) Intermediate SchoolA-
Middle · Grades 7–8 · 0.5 mi
H
San Gabriel High SchoolA-
High · Grades 9–12 · 1.8 mi

District: Garvey 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

3251 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 93% of homes in Rosemead 91770
  • Costs more per square foot than 97% of homes in Rosemead 91770
  • Among the smallest homes in Rosemead 91770
  • Has a smaller lot than 96% of homes in Rosemead 91770
  • Older than 88% 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
$506K$1.4M

This home is worth more than 7% 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$586,017
CheaperTypical $841,033Pricier

Pricier than 7% of homes nearby

Price per ft²$939
CheaperTypical $587Pricier

Pricier than 97% of homes nearby

Living area624 ft²
SmallerTypical 1,512 ft²Bigger

Smaller than almost all homes nearby

Lot size3,829 ft²
SmallerTypical 0.16 acBigger

Bigger than 4% of homes nearby

Year built1931
OlderTypical 1953Newer

Newer than 12% of homes nearby

How 3251 Del Mar Ave ranks against every home in each area.
MeasureThis homeRosemead 91770Los Angeles County
Estimated valuepricier than$586,0177% of homes19% of homes
Price per ft²pricier than$93997% of homes90% of homes
Living areabigger than624 ft²almost no homesalmost no homes
Lot sizebigger than3,829 ft²4% of homes4% of homes
Year builtnewer than193112% of homes14% of homes

About 3251 Del Mar Ave

How much is 3251 Del Mar Ave, Rosemead, CA worth?

The TopHap Estimate for 3251 Del Mar Ave, Rosemead, CA is $586,017 as of Jul 14, 2026. The likely range is $535,878 to $636,156. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3251 Del Mar Ave, Rosemead, CA last sell?

3251 Del Mar Ave, Rosemead, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3251 Del Mar Ave, Rosemead, CA?

3251 Del Mar Ave, Rosemead, CA has 2 bedrooms, 1 bathrooms, 624 square feet of living space and a 0.09-acre lot.

When was 3251 Del Mar Ave, Rosemead, CA built?

3251 Del Mar Ave, Rosemead, CA was built in 1931, making it 95 years old.

What schools serve 3251 Del Mar Ave, Rosemead, CA?

3251 Del Mar Ave, Rosemead, CA is assigned to Emerson (Ralph Waldo) Elementary School (elementary), rated A-; Garvey (Richard) Intermediate School (middle), rated A-; San Gabriel High School (high), rated A-. All sit in Garvey Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3251 Del Mar Ave, Rosemead, CA compare to other homes in Rosemead 91770?

Among the 11,974 homes in Rosemead 91770, it is worth more than 7% of them ($586,017 against a typical $841,033), its price per square foot is higher than 97% of them ($939 against a typical $587), it is bigger than almost none of them (624 ft² against a typical 1,512 ft²), its lot is bigger than 4% of them (3,829 ft² against a typical 0.16 ac) and it is newer than 12% of them (1931 against a typical 1953). Measured against all of Los Angeles County, it is worth more than 19% 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 3251 Del Mar Ave, Rosemead, CA?

The 2025 property tax bill for 3251 Del Mar Ave, Rosemead, CA was $417. The county assessed it at $200,930.

More homes on Del Mar Ave

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Assigned schools

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