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Single Family ResidenceResidential
$845,604$815 / 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 96How 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 $850,000 on Jun 28, 2022

331 E DUELL ST

GLENDORA, CA 91740
3
Beds
2
Baths
1,038 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
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

$846K
$814K low$878K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$850,000 · Jun 28, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,809 (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.$920,064 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$671,972
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$248,092
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$902,025

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.36 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
Lot (acres)The size of the land the home sits on, from county records.0.17
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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(2)

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

E
Stanton Elementary SchoolB
Elementary · Grades KG–5 · 1.0 mi
M
Sandburg Middle SchoolB+
Middle · Grades 6–8 · 1.5 mi
H
Glendora High SchoolA-
High · Grades 9–12 · 1.6 mi

District: Glendora Unified School District

Neighborhood · ZIP 91740These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.513

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.26,149
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,260 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,592
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$117,896
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.19 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

331 E Duell 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.

  • Worth more than 69% of homes in Glendora 91740
  • Among the highest price per square foot in Glendora 91740
  • Smaller than 94% of homes in Glendora 91740
  • Older than 68% of homes in Glendora 91740

What homes are worth in Glendora 91740

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

This home
$569K$1.3M

This home is worth more than 69% of homes in Glendora 91740.

How it measures up in Glendora 91740

The dot is this home. The mark in the middle is the typical home in Glendora 91740.

Estimated value$845,604
CheaperTypical $789,134Pricier

Pricier than 69% of homes nearby

Price per ft²$815
CheaperTypical $551Pricier

Pricier than almost all homes nearby

Living area1,038 ft²
SmallerTypical 1,399 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 36% of homes nearby

Year built1957
OlderTypical 1961Newer

Newer than 32% of homes nearby

How 331 E Duell St ranks against every home in each area.
MeasureThis homeGlendora 91740Los Angeles County
Estimated valuepricier than$845,60469% of homes51% of homes
Price per ft²pricier than$815almost all homes83% of homes
Living areabigger than1,038 ft²6% of homes14% of homes
Lot sizebigger than0.17 ac36% of homes52% of homes
Year builtnewer than195732% of homes52% of homes

About 331 E Duell St

How much is 331 E Duell St, Glendora, CA worth?

The TopHap Estimate for 331 E Duell St, Glendora, CA is $845,604 as of Sep 24, 2026. The likely range is $813,611 to $877,597. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 331 E Duell St, Glendora, CA last sell?

331 E Duell St, Glendora, CA last sold on Jun 28, 2022 for $850,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 331 E Duell St, Glendora, CA?

331 E Duell St, Glendora, CA has 3 bedrooms, 2 bathrooms, 1,038 square feet of living space and a 0.17-acre lot.

When was 331 E Duell St, Glendora, CA built?

331 E Duell St, Glendora, CA was built in 1957, making it 69 years old. It is a conventional home. The building has 1 story.

What schools serve 331 E Duell St, Glendora, CA?

331 E Duell St, Glendora, CA is assigned to Stanton Elementary School (elementary), rated B; Sandburg Middle School (middle), rated B+; Glendora High School (high), rated A-. All sit in Glendora Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 331 E Duell St, Glendora, CA compare to other homes in Glendora 91740?

Among the 6,895 homes in Glendora 91740, it is worth more than 69% of them ($845,604 against a typical $789,134), its price per square foot is higher than almost all of them ($815 against a typical $551), it is bigger than 6% of them (1,038 ft² against a typical 1,399 ft²), its lot is bigger than 36% of them (0.17 ac against a typical 0.18 ac) and it is newer than 32% of them (1957 against a typical 1961). Measured against all of Los Angeles County, it is worth more than 51% 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 331 E Duell St, Glendora, CA?

The 2025 property tax bill for 331 E Duell St, Glendora, CA was $10,809. The county assessed it at $920,064.

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