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Single Family ResidenceResidential
$1,262,978$610 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $1,200,000 on Sep 29, 2025

819 CALLE ARROYO

SAN DIMAS, CA 91773
4
Beds
2
Baths
2,070 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.3M
$1.1M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,200,000 · Sep 29, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,594 (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.$1,200,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$797,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$402,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$947,125

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.0.21
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)

Transaction History(6)

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.

H
San Dimas High SchoolA-
High · Grades 9–12 · 0.8 mi
M
Lone Hill Middle SchoolA-
Middle · Grades 6–8 · 0.8 mi
E
Arma J. Shull Elementary SchoolA+
Elementary · Grades KG–5 · 2.0 mi

District: Bonita Unified School District

Neighborhood · ZIP 91773These 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.68
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.549

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
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.33,478
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,155 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,808
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,896
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.20 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

819 Calle Arroyo 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 86% of homes in San Dimas 91773
  • Costs more per square foot than 86% of homes in San Dimas 91773
  • Bigger than 72% of homes in San Dimas 91773
  • Has a bigger lot than 67% of homes in Los Angeles County
  • Newer than 75% of homes in Los Angeles County

What homes are worth in San Dimas 91773

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

This home
$513K$2M

This home is worth more than 86% of homes in San Dimas 91773.

How it measures up in San Dimas 91773

The dot is this home. The mark in the middle is the typical home in San Dimas 91773.

Estimated value$1,262,978
CheaperTypical $890,099Pricier

Pricier than 86% of homes nearby

Price per ft²$610
CheaperTypical $519Pricier

Pricier than 86% of homes nearby

Living area2,070 ft²
SmallerTypical 1,674 ft²Bigger

Bigger than 72% of homes nearby

Lot size0.21 ac
SmallerTypical 0.19 acBigger

Bigger than 60% of homes nearby

Year built1979
OlderTypical 1977Newer

Newer than 65% of homes nearby

How 819 Calle Arroyo ranks against every home in each area.
MeasureThis homeSan Dimas 91773Los Angeles County
Estimated valuepricier than$1,262,97886% of homes77% of homes
Price per ft²pricier than$61086% of homes58% of homes
Living areabigger than2,070 ft²72% of homes71% of homes
Lot sizebigger than0.21 ac60% of homes67% of homes
Year builtnewer than197965% of homes75% of homes

About 819 Calle Arroyo

How much is 819 Calle Arroyo, San Dimas, CA worth?

The TopHap Estimate for 819 Calle Arroyo, San Dimas, CA is $1,262,978 as of Oct 21, 2026. The likely range is $1,130,116 to $1,395,840. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 819 Calle Arroyo, San Dimas, CA last sell?

819 Calle Arroyo, San Dimas, CA last sold on Sep 29, 2025 for $1,200,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 819 Calle Arroyo, San Dimas, CA?

819 Calle Arroyo, San Dimas, CA has 4 bedrooms, 2 bathrooms, 2,070 square feet of living space and a 0.21-acre lot.

When was 819 Calle Arroyo, San Dimas, CA built?

819 Calle Arroyo, San Dimas, CA was built in 1979, making it 47 years old.

What schools serve 819 Calle Arroyo, San Dimas, CA?

819 Calle Arroyo, San Dimas, CA is assigned to San Dimas High School (high), rated A-; Lone Hill Middle School (middle), rated A-; Arma J. Shull Elementary School (elementary), rated A+. All sit in Bonita Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 819 Calle Arroyo, San Dimas, CA compare to other homes in San Dimas 91773?

Among the 10,111 homes in San Dimas 91773, it is worth more than 86% of them ($1,262,978 against a typical $890,099), its price per square foot is higher than 86% of them ($610 against a typical $519), it is bigger than 72% of them (2,070 ft² against a typical 1,674 ft²), its lot is bigger than 60% of them (0.21 ac against a typical 0.19 ac) and it is newer than 65% of them (1979 against a typical 1977). Measured against all of Los Angeles County, it is worth more than 77% 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 819 Calle Arroyo, San Dimas, CA?

The 2025 property tax bill for 819 Calle Arroyo, San Dimas, CA was $11,594. The county assessed it at $1,200,000.

More homes on Calle Arroyo

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Assigned schools

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