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Single Family ResidenceResidential
$828,820$537 / 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 90How 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 $768,000 on Oct 23, 2024

11800 MOUNT ROYAL CT

RANCHO CUCAMONGA, CA 91737
3
Beds
2.5
Baths
1,542 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.
0.12 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.
6
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

$829K
$743K low$914K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$768,000 · Oct 23, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,076 (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.$783,360 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$195,840
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$587,520

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.38
64
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
89
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.30 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.0.12
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.Patio · 170 ft²Porch · 170 ft²

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(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Caryn Elementary SchoolA
Elementary · Grades KG–5 · 0.2 mi
H
Los Osos High SchoolA-
High · Grades 9–12 · 0.6 mi
M
Day Creek Intermediate SchoolA+
Middle · Grades 6–8 · 1.3 mi

District: Etiwanda Elementary School District

Neighborhood · ZIP 91737These 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.66
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 100.653

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.24,140
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,124 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,979
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,837
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

11800 Mount Royal Ct 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 87% of homes in San Bernardino County
  • Costs more per square foot than 95% of homes in San Bernardino County
  • Smaller than 78% of homes in Rancho Cucamonga 91737
  • Has a smaller lot than 81% of homes in Rancho Cucamonga 91737
  • Newer than 85% of homes in Caryn

What homes are worth in Rancho Cucamonga 91737

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

This home
$348K$2.3M

This home is worth more than 39% of homes in Rancho Cucamonga 91737.

How it measures up in Rancho Cucamonga 91737

The dot is this home. The mark in the middle is the typical home in Rancho Cucamonga 91737.

Estimated value$828,820
CheaperTypical $934,765Pricier

Pricier than 39% of homes nearby

Price per ft²$537
CheaperTypical $442Pricier

Pricier than 94% of homes nearby

Living area1,542 ft²
SmallerTypical 2,172 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.12 ac
SmallerTypical 0.22 acBigger

Bigger than 19% of homes nearby

Year built1988
OlderTypical 1987Newer

Newer than 69% of homes nearby

How 11800 Mount Royal Ct ranks against every home in each area.
MeasureThis homeCarynRancho Cucamonga 91737San Bernardino County
Estimated valuepricier than$828,82084% of homes39% of homes87% of homes
Price per ft²pricier than$53791% of homes94% of homes95% of homes
Living areabigger than1,542 ft²45% of homes22% of homes47% of homes
Lot sizebigger than0.12 ac46% of homes19% of homes20% of homes
Year builtnewer than198885% of homes69% of homes61% of homes

About 11800 Mount Royal Ct

How much is 11800 Mount Royal Ct, Rancho Cucamonga, CA worth?

The TopHap Estimate for 11800 Mount Royal Ct, Rancho Cucamonga, CA is $828,820 as of Sep 24, 2026. The likely range is $743,391 to $914,249. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11800 Mount Royal Ct, Rancho Cucamonga, CA last sell?

11800 Mount Royal Ct, Rancho Cucamonga, CA last sold on Oct 23, 2024 for $768,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 11800 Mount Royal Ct, Rancho Cucamonga, CA?

11800 Mount Royal Ct, Rancho Cucamonga, CA has 3 bedrooms, 2.5 bathrooms, 1,542 square feet of living space and a 0.12-acre lot.

When was 11800 Mount Royal Ct, Rancho Cucamonga, CA built?

11800 Mount Royal Ct, 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 11800 Mount Royal Ct, Rancho Cucamonga, CA?

11800 Mount Royal Ct, Rancho Cucamonga, CA is assigned to Caryn Elementary School (elementary), rated A; Los Osos High School (high), rated A-; Day Creek Intermediate School (middle), rated A+. All sit in Etiwanda Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11800 Mount Royal Ct, Rancho Cucamonga, CA compare to other homes in Rancho Cucamonga 91737?

Among the 7,049 homes in Rancho Cucamonga 91737, it is worth more than 39% of them ($828,820 against a typical $934,765), its price per square foot is higher than 94% of them ($537 against a typical $442), it is bigger than 22% of them (1,542 ft² against a typical 2,172 ft²), its lot is bigger than 19% of them (0.12 ac against a typical 0.22 ac) and it is newer than 69% of them (1988 against a typical 1987). Measured against all of San Bernardino County, it is worth more than 87% 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 11800 Mount Royal Ct, Rancho Cucamonga, CA?

The 2025 property tax bill for 11800 Mount Royal Ct, Rancho Cucamonga, CA was $9,076. The county assessed it at $783,360.

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