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Planned Unit Development (Pud)Residential
$491,543$474 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $365,000 on May 2, 2017

9803 MARIPOSA DR

RANCHO CUCAMONGA, CA 91730
2
Beds
1.8
Baths
1,037 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.
2,000 ft²
Lot SizeThe size of the land the home sits on, from county records.
1984
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
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

$492K
$468K low$515K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$365,000 · May 2, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,791 (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.$432,088 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$108,023
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$324,065

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Planned Unit Development (Pud)
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.0.05
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 162 ft²

Transaction History(5)

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
Central Elementary SchoolC+
Elementary · Grades KG–5 · 0.1 mi
M
Cucamonga Middle SchoolB+
Middle · Grades 6–8 · 0.7 mi
H
Alta Loma High SchoolA-
High · Grades 9–12 · 1.4 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

9803 Mariposa 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.

  • Worth less than 88% of homes in Rancho Cucamonga 91730
  • Costs more per square foot than 87% of homes in San Bernardino County
  • Smaller than 89% of homes in Rancho Cucamonga 91730
  • Has a smaller lot than 92% of homes in San Bernardino County

What homes are worth in Rancho Cucamonga 91730

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

This home
$400K$967K

This home is worth more than 12% of homes in Rancho Cucamonga 91730.

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.

Estimated value$491,543
CheaperTypical $648,284Pricier

Pricier than 12% of homes nearby

Price per ft²$474
CheaperTypical $426Pricier

Pricier than 71% of homes nearby

Living area1,037 ft²
SmallerTypical 1,443 ft²Bigger

Bigger than 11% of homes nearby

Lot size2,000 ft²
SmallerTypical 0.13 acBigger

Bigger than 23% of homes nearby

Year built1984
OlderTypical 1986Newer

Newer than 47% of homes nearby

How 9803 Mariposa Dr ranks against every home in each area.
MeasureThis homeRancho Cucamonga 91730San Bernardino County
Estimated valuepricier than$491,54312% of homes41% of homes
Price per ft²pricier than$47471% of homes87% of homes
Living areabigger than1,037 ft²11% of homes14% of homes
Lot sizebigger than2,000 ft²23% of homes8% of homes
Year builtnewer than198447% of homes50% of homes

About 9803 Mariposa Dr

How much is 9803 Mariposa Dr, Rancho Cucamonga, CA worth?

The TopHap Estimate for 9803 Mariposa Dr, Rancho Cucamonga, CA is $491,543 as of Sep 24, 2026. The likely range is $468,087 to $514,999. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9803 Mariposa Dr, Rancho Cucamonga, CA last sell?

9803 Mariposa Dr, Rancho Cucamonga, CA last sold on May 2, 2017 for $365,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9803 Mariposa Dr, Rancho Cucamonga, CA?

9803 Mariposa Dr, Rancho Cucamonga, CA has 2 bedrooms, 1.8 bathrooms, 1,037 square feet of living space and a 0.05-acre lot.

When was 9803 Mariposa Dr, Rancho Cucamonga, CA built?

9803 Mariposa Dr, Rancho Cucamonga, CA was built in 1984, making it 42 years old. It is a modern home. The building has 1 story.

What schools serve 9803 Mariposa Dr, Rancho Cucamonga, CA?

9803 Mariposa Dr, Rancho Cucamonga, CA is assigned to Central Elementary School (elementary), rated C+; Cucamonga Middle School (middle), rated B+; Alta Loma High School (high), rated A-. All sit in Chaffey Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9803 Mariposa Dr, Rancho Cucamonga, CA compare to other homes in Rancho Cucamonga 91730?

Among the 16,261 homes in Rancho Cucamonga 91730, it is worth more than 12% of them ($491,543 against a typical $648,284), its price per square foot is higher than 71% of them ($474 against a typical $426), it is bigger than 11% of them (1,037 ft² against a typical 1,443 ft²), its lot is bigger than 23% of them (2,000 ft² against a typical 0.13 ac) and it is newer than 47% of them (1984 against a typical 1986). Measured against all of San Bernardino County, it is worth more than 41% 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 9803 Mariposa Dr, Rancho Cucamonga, CA?

The 2025 property tax bill for 9803 Mariposa Dr, Rancho Cucamonga, CA was $4,791. The county assessed it at $432,088.

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