Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$577,973$380 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $492,000 on Jan 21, 2020

9451 RETREAT PL

RANCHO CUCAMONGA, CA 91730
3
Beds
2.5
Baths
1,519 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.
1,519 ft²
Lot SizeThe size of the land the home sits on, from county records.
2020
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

$578K
$564K low$592K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$492,000 · Jan 21, 2020
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$577,973
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$462,378

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,825 (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.$548,609 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$189,637
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$358,972

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
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.0.04
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
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

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

E
The Ontario Center SchoolC+
Elementary · Grades KG–5 · 1.3 mi
M
Rancho Cucamonga Middle SchoolB-
Middle · Grades 6–8 · 1.6 mi
H
Colony High SchoolC
High · Grades 9–12 · 4.5 mi

District: Cucamonga Elementary 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

9451 Retreat Pl 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.

  • Costs more per square foot than 68% of homes in San Bernardino County
  • Has a smaller lot than 93% of homes in San Bernardino County
  • Newer than 97% of homes in Rancho Cucamonga 91730

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
$357K$924K

This home is worth more than 39% 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$577,973
CheaperTypical $629,348Pricier

Pricier than 39% of homes nearby

Price per ft²$380
CheaperTypical $417Pricier

Pricier than 35% of homes nearby

Living area1,519 ft²
SmallerTypical 1,444 ft²Bigger

Bigger than 56% of homes nearby

Lot size1,519 ft²
SmallerTypical 0.13 acBigger

Bigger than 20% of homes nearby

Year built2020
OlderTypical 1986Newer

Newer than 97% of homes nearby

How 9451 Retreat Pl ranks against every home in each area.
MeasureThis homeRancho Cucamonga 91730San Bernardino County
Estimated valuepricier than$577,97339% of homes61% of homes
Price per ft²pricier than$38035% of homes68% of homes
Living areabigger than1,519 ft²56% of homes46% of homes
Lot sizebigger than1,519 ft²20% of homes7% of homes
Year builtnewer than202097% of homes96% of homes

About 9451 Retreat Pl

How much is 9451 Retreat Pl, Rancho Cucamonga, CA worth?

The TopHap Estimate for 9451 Retreat Pl, Rancho Cucamonga, CA is $577,973 as of Jul 14, 2026. The likely range is $564,102 to $591,843. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9451 Retreat Pl, Rancho Cucamonga, CA last sell?

9451 Retreat Pl, Rancho Cucamonga, CA last sold on Jan 21, 2020 for $492,000, according to the county's recorded deed.

How big is 9451 Retreat Pl, Rancho Cucamonga, CA?

9451 Retreat Pl, Rancho Cucamonga, CA has 3 bedrooms, 2.5 bathrooms, 1,519 square feet of living space and a 0.04-acre lot.

When was 9451 Retreat Pl, Rancho Cucamonga, CA built?

9451 Retreat Pl, Rancho Cucamonga, CA was built in 2020, making it 6 years old. It is a modern home. The building has 2 stories.

What schools serve 9451 Retreat Pl, Rancho Cucamonga, CA?

9451 Retreat Pl, Rancho Cucamonga, CA is assigned to The Ontario Center School (elementary), rated C+; Rancho Cucamonga Middle School (middle), rated B-; Colony High School (high), rated C. All sit in Cucamonga Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9451 Retreat Pl, 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 39% of them ($577,973 against a typical $629,348), its price per square foot is higher than 35% of them ($380 against a typical $417), it is bigger than 56% of them (1,519 ft² against a typical 1,444 ft²), its lot is bigger than 20% of them (1,519 ft² against a typical 0.13 ac) and it is newer than 97% of them (2020 against a typical 1986). Measured against all of San Bernardino County, it is worth more than 61% 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 9451 Retreat Pl, Rancho Cucamonga, CA?

The 2025 property tax bill for 9451 Retreat Pl, Rancho Cucamonga, CA was $6,825. The county assessed it at $548,609.

Closest homes

More homes in Rancho Cucamonga 91730

Assigned schools

Explore the area

See this home in context

Open 9451 Retreat Pl on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map