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Single Family ResidenceResidential
$869,199$440 / 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 97How 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 $525,000 on May 20, 2016

10870 COLUSA ST

RANCHO CUCAMONGA, CA 91701
4
Beds
3
Baths
1,975 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.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$869K
$840K low$898K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$525,000 · May 20, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,142 (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.$633,926 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$158,483
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$475,443

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.Modern
CountySAN BERNARDINO
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.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
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
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(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.

E
Victoria Groves Elementary SchoolA
Elementary · Grades KG–5 · 0.2 mi
M
Vineyard Junior High SchoolB
Middle · Grades 6–8 · 0.9 mi
H
Los Osos High SchoolA
High · Grades 9–12 · 1.2 mi

District: Alta Loma Elementary School District

Neighborhood · ZIP 91701These 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.51
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 100.606

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.40,046
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,720 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,932
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,957
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.24 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

10870 Colusa 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 90% of homes in San Bernardino County
  • Costs more per square foot than 83% of homes in San Bernardino County
  • Bigger than 70% of homes in San Bernardino County
  • Newer than 73% of homes in Rancho Cucamonga 91701

What homes are worth in Rancho Cucamonga 91701

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

This home
$431K$1.5M

This home is worth more than 64% of homes in Rancho Cucamonga 91701.

How it measures up in Rancho Cucamonga 91701

The dot is this home. The mark in the middle is the typical home in Rancho Cucamonga 91701.

Estimated value$869,199
CheaperTypical $806,364Pricier

Pricier than 64% of homes nearby

Price per ft²$440
CheaperTypical $442Pricier

Pricier than 49% of homes nearby

Living area1,975 ft²
SmallerTypical 1,832 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 49% of homes nearby

Year built1988
OlderTypical 1981Newer

Newer than 73% of homes nearby

How 10870 Colusa St ranks against every home in each area.
MeasureThis homeRancho Cucamonga 91701San Bernardino County
Estimated valuepricier than$869,19964% of homes90% of homes
Price per ft²pricier than$44049% of homes83% of homes
Living areabigger than1,975 ft²60% of homes70% of homes
Lot sizebigger than0.17 ac49% of homes44% of homes
Year builtnewer than198873% of homes61% of homes

About 10870 Colusa St

How much is 10870 Colusa St, Rancho Cucamonga, CA worth?

The TopHap Estimate for 10870 Colusa St, Rancho Cucamonga, CA is $869,199 as of Aug 30, 2026. The likely range is $840,456 to $897,942. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10870 Colusa St, Rancho Cucamonga, CA last sell?

10870 Colusa St, Rancho Cucamonga, CA last sold on May 20, 2016 for $525,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 10870 Colusa St, Rancho Cucamonga, CA?

10870 Colusa St, Rancho Cucamonga, CA has 4 bedrooms, 3 bathrooms, 1,975 square feet of living space and a 0.17-acre lot.

When was 10870 Colusa St, Rancho Cucamonga, CA built?

10870 Colusa St, Rancho Cucamonga, CA was built in 1988, making it 38 years old. It is a modern home. The building has 2 stories.

What schools serve 10870 Colusa St, Rancho Cucamonga, CA?

10870 Colusa St, Rancho Cucamonga, CA is assigned to Victoria Groves Elementary School (elementary), rated A; Vineyard Junior High School (middle), rated B; Los Osos High School (high), rated A. All sit in Alta Loma Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10870 Colusa St, Rancho Cucamonga, CA compare to other homes in Rancho Cucamonga 91701?

Among the 12,002 homes in Rancho Cucamonga 91701, it is worth more than 64% of them ($869,199 against a typical $806,364), its price per square foot is higher than 49% of them ($440 against a typical $442), it is bigger than 60% of them (1,975 ft² against a typical 1,832 ft²), its lot is bigger than 49% of them (0.17 ac against a typical 0.17 ac) and it is newer than 73% of them (1988 against a typical 1981). Measured against all of San Bernardino County, it is worth more than 90% 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 10870 Colusa St, Rancho Cucamonga, CA?

The 2025 property tax bill for 10870 Colusa St, Rancho Cucamonga, CA was $7,142. The county assessed it at $633,926.

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