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Single Family ResidenceResidential
$788,443$510 / 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 92How 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
Last sold for $665,000 on Oct 21, 2020

317 ROSALYNN DR

GLENDORA, CA 91740
4
Beds
2
Baths
1,546 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
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.

Valuation

$788K
$729K low$848K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$665,000 · Oct 21, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,944 (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.$734,210 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$497,497
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$236,713
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$719,815

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.0.23
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.Wood Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

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

E
Washington Elementary SchoolA-
Elementary · Grades KG–6 · 0.6 mi
H
Charter Oak High SchoolB+
High · Grades 9–12 · 1.3 mi
M
Royal Oak Middle SchoolA-
Middle · Grades 7–8 · 2.3 mi

District: Charter Oak 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

317 Rosalynn Dr 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.

  • Has a bigger lot than 75% of homes in Glendora 91740
  • Newer than 67% 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
$558K$1.4M

This home is worth more than 49% 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$788,443
CheaperTypical $789,818Pricier

Pricier than 49% of homes nearby

Price per ft²$510
CheaperTypical $554Pricier

Pricier than 36% of homes nearby

Living area1,546 ft²
SmallerTypical 1,395 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.23 ac
SmallerTypical 0.18 acBigger

Bigger than 75% of homes nearby

Year built1965
OlderTypical 1961Newer

Newer than 67% of homes nearby

How 317 Rosalynn Dr ranks against every home in each area.
MeasureThis homeGlendora 91740Los Angeles County
Estimated valuepricier than$788,44349% of homes46% of homes
Price per ft²pricier than$51036% of homes37% of homes
Living areabigger than1,546 ft²64% of homes48% of homes
Lot sizebigger than0.23 ac75% of homes70% of homes
Year builtnewer than196567% of homes62% of homes

About 317 Rosalynn Dr

How much is 317 Rosalynn Dr, Glendora, CA worth?

The TopHap Estimate for 317 Rosalynn Dr, Glendora, CA is $788,443 as of Aug 30, 2026. The likely range is $729,098 to $847,788. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 317 Rosalynn Dr, Glendora, CA last sell?

317 Rosalynn Dr, Glendora, CA last sold on Oct 21, 2020 for $665,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 317 Rosalynn Dr, Glendora, CA?

317 Rosalynn Dr, Glendora, CA has 4 bedrooms, 2 bathrooms, 1,546 square feet of living space and a 0.23-acre lot.

When was 317 Rosalynn Dr, Glendora, CA built?

317 Rosalynn Dr, Glendora, CA was built in 1965, making it 61 years old. It is a conventional home. The building has 1 story.

What schools serve 317 Rosalynn Dr, Glendora, CA?

317 Rosalynn Dr, Glendora, CA is assigned to Washington Elementary School (elementary), rated A-; Charter Oak High School (high), rated B+; Royal Oak Middle School (middle), rated A-. All sit in Charter Oak Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 317 Rosalynn Dr, Glendora, CA compare to other homes in Glendora 91740?

Among the 6,893 homes in Glendora 91740, it is worth more than 49% of them ($788,443 against a typical $789,818), its price per square foot is higher than 36% of them ($510 against a typical $554), it is bigger than 64% of them (1,546 ft² against a typical 1,395 ft²), its lot is bigger than 75% of them (0.23 ac against a typical 0.18 ac) and it is newer than 67% of them (1965 against a typical 1961). Measured against all of Los Angeles County, it is worth more than 46% 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 317 Rosalynn Dr, Glendora, CA?

The 2025 property tax bill for 317 Rosalynn Dr, Glendora, CA was $8,944. The county assessed it at $734,210.

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