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Quadplex (4 Units, Any Combination)Residential
Last sold for $1,375,000 on Aug 8, 2023

320 ALPINE ST

UPLAND, CA 91786
7
Beds
4.5
Baths
4,297 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.
0.19 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.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,375,000 · Aug 8, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,273 (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.$1,430,550 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$499,392
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$931,158

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Quadplex (4 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Quadraplex
CountySAN BERNARDINO
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(10)

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.

H
Upland High SchoolB
High · Grades 9–12 · 0.4 mi
M
Upland Junior High SchoolD
Middle · Grades 7–8 · 0.7 mi
E
Baldy View Elementary SchoolC
Elementary · Grades KG–6 · 0.7 mi

District: Upland Unified School District

Neighborhood · ZIP 91786These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.508

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.1.7%
PopulationHow many people live in this area.57,038
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,362 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,197
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,298
Average tempThe average temperature here across a full year.63°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.68%

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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

320 Alpine 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.

  • Bigger than 98% of homes in Upland 91786
  • Newer than 72% of homes in Upland 91786

How it measures up in Upland 91786

The dot is this home. The mark in the middle is the typical home in Upland 91786.

Living area4,297 ft²
SmallerTypical 1,600 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.19 ac
SmallerTypical 0.17 acBigger

Bigger than 64% of homes nearby

Year built1979
OlderTypical 1969Newer

Newer than 72% of homes nearby

How 320 Alpine St ranks against every home in each area.
MeasureThis homeUpland 91786San Bernardino County
Living areabigger than4,297 ft²98% of homes98% of homes
Lot sizebigger than0.19 ac64% of homes54% of homes
Year builtnewer than197972% of homes43% of homes

About 320 Alpine St

When did 320 Alpine St, Upland, CA last sell?

320 Alpine St, Upland, CA last sold on Aug 8, 2023 for $1,375,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 320 Alpine St, Upland, CA?

320 Alpine St, Upland, CA has 7 bedrooms, 4.5 bathrooms, 4,297 square feet of living space and a 0.19-acre lot.

When was 320 Alpine St, Upland, CA built?

320 Alpine St, Upland, CA was built in 1979, making it 47 years old. It is a quadraplex home.

What schools serve 320 Alpine St, Upland, CA?

320 Alpine St, Upland, CA is assigned to Upland High School (high), rated B; Upland Junior High School (middle), rated D; Baldy View Elementary School (elementary), rated C. All sit in Upland Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 320 Alpine St, Upland, CA compare to other homes in Upland 91786?

Among the 12,218 homes in Upland 91786, it is bigger than 98% of them (4,297 ft² against a typical 1,600 ft²), its lot is bigger than 64% of them (0.19 ac against a typical 0.17 ac) and it is newer than 72% of them (1979 against a typical 1969). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 320 Alpine St, Upland, CA?

The 2025 property tax bill for 320 Alpine St, Upland, CA was $15,273. The county assessed it at $1,430,550.

More homes on Alpine St

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Assigned schools

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