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Quadplex (4 Units, Any Combination)Residential
Last sold for $309,000 on Jul 24, 2002

8340 TURNER AVE

RANCHO CUCAMONGA, CA 91730
4
Baths
3,862 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$309,000 · Jul 24, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,862 (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.$456,484 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$159,768
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$296,716

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.0.20
ConstructionThe main material the home's frame and walls are built from.Concrete
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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.

M
Rancho Cucamonga Middle SchoolC-
Middle · Grades 6–8 · 0.5 mi
E
Cucamonga Elementary SchoolD+
Elementary · Grades KG–5 · 0.6 mi
H
Chaffey High SchoolC+
High · Grades 9–12 · 4.2 mi

District: Chaffey Joint Union High School District

Neighborhood · ZIP 91730These 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.95
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.446

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
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.70,900
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,102 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,634
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,551
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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

8340 Turner 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.

  • Among the largest homes in Southwest Rancho Cucamonga
  • Has a bigger lot than 90% of homes in Southwest Rancho Cucamonga
  • Older than 81% of homes in Southwest Rancho Cucamonga

How it measures up in Rancho Cucamonga 91730

The dot is this home. The mark in the middle is the typical home in Rancho Cucamonga 91730.

Living area3,862 ft²
SmallerTypical 1,444 ft²Bigger

Bigger than almost all homes nearby

Lot size0.2 ac
SmallerTypical 0.13 acBigger

Bigger than 88% of homes nearby

Year built1972
OlderTypical 1986Newer

Newer than 19% of homes nearby

How 8340 Turner Ave ranks against every home in each area.
MeasureThis homeSouthwest Rancho CucamongaRancho Cucamonga 91730San Bernardino County
Living areabigger than3,862 ft²almost all homesalmost all homes98% of homes
Lot sizebigger than0.2 ac90% of homes88% of homes59% of homes
Year builtnewer than197219% of homes19% of homes32% of homes

About 8340 Turner Ave

When did 8340 Turner Ave, Rancho Cucamonga, CA last sell?

8340 Turner Ave, Rancho Cucamonga, CA last sold on Jul 24, 2002 for $309,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 8340 Turner Ave, Rancho Cucamonga, CA?

8340 Turner Ave, Rancho Cucamonga, CA has 4 bathrooms, 3,862 square feet of living space and a 0.20-acre lot.

When was 8340 Turner Ave, Rancho Cucamonga, CA built?

8340 Turner Ave, Rancho Cucamonga, CA was built in 1972, making it 54 years old. It is a quadraplex home.

What schools serve 8340 Turner Ave, Rancho Cucamonga, CA?

8340 Turner Ave, Rancho Cucamonga, CA is assigned to Rancho Cucamonga Middle School (middle), rated C-; Cucamonga Elementary School (elementary), rated D+; Chaffey High School (high), rated C+. All sit in Chaffey Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8340 Turner Ave, Rancho Cucamonga, CA compare to other homes in Rancho Cucamonga 91730?

Among the 16,262 homes in Rancho Cucamonga 91730, it is bigger than almost all of them (3,862 ft² against a typical 1,444 ft²), its lot is bigger than 88% of them (0.2 ac against a typical 0.13 ac) and it is newer than 19% of them (1972 against a typical 1986). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 8340 Turner Ave, Rancho Cucamonga, CA?

The 2025 property tax bill for 8340 Turner Ave, Rancho Cucamonga, CA was $4,862. The county assessed it at $456,484.

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Assigned schools

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