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Single Family ResidenceResidential
$697,168$558 / 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

9923 LEMON AVE

RANCHO CUCAMONGA, CA 91737
3
Beds
1
Baths
1,250 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$697K
$660K low$734K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,984 (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.$257,587 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$77,879
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$179,708

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.Conventional
CountySAN BERNARDINO
Lot (acres)The size of the land the home sits on, from county records.0.43
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Floor/Wall Furnace
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 270 ft²

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

M
Vineyard Junior High SchoolA-
Middle · Grades 6–8 · 0.4 mi
E
Deer Canyon Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi
H
Los Osos High SchoolA-
High · Grades 9–12 · 1.9 mi

District: Alta Loma 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

9923 Lemon 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.

  • Worth less than 83% of homes in Rancho Cucamonga 91737
  • Costs more per square foot than 96% of homes in Rancho Cucamonga 91737
  • Smaller than 90% of homes in Rancho Cucamonga 91737
  • Has a bigger lot than 80% of homes in San Bernardino County
  • Among the oldest homes in Rancho Cucamonga 91737

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
$343K$2.3M

This home is worth more than 17% 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$697,168
CheaperTypical $934,739Pricier

Pricier than 17% of homes nearby

Price per ft²$558
CheaperTypical $442Pricier

Pricier than 96% of homes nearby

Living area1,250 ft²
SmallerTypical 2,152 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.43 ac
SmallerTypical 0.22 acBigger

Bigger than 61% of homes nearby

Year built1954
OlderTypical 1987Newer

Older than almost all homes nearby

How 9923 Lemon Ave ranks against every home in each area.
MeasureThis homeRancho Cucamonga 91737San Bernardino County
Estimated valuepricier than$697,16817% of homes76% of homes
Price per ft²pricier than$55896% of homes96% of homes
Living areabigger than1,250 ft²10% of homes27% of homes
Lot sizebigger than0.43 ac61% of homes80% of homes
Year builtnewer than1954almost no homes14% of homes

About 9923 Lemon Ave

How much is 9923 Lemon Ave, Rancho Cucamonga, CA worth?

The TopHap Estimate for 9923 Lemon Ave, Rancho Cucamonga, CA is $697,168 as of Sep 24, 2026. The likely range is $659,866 to $734,470. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9923 Lemon Ave, Rancho Cucamonga, CA last sell?

9923 Lemon Ave, Rancho Cucamonga, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 9923 Lemon Ave, Rancho Cucamonga, CA?

9923 Lemon Ave, Rancho Cucamonga, CA has 3 bedrooms, 1 bathrooms, 1,250 square feet of living space and a 0.43-acre lot.

When was 9923 Lemon Ave, Rancho Cucamonga, CA built?

9923 Lemon Ave, Rancho Cucamonga, CA was built in 1954, making it 72 years old. It is a conventional home. The building has 1 story.

What schools serve 9923 Lemon Ave, Rancho Cucamonga, CA?

9923 Lemon Ave, Rancho Cucamonga, CA is assigned to Vineyard Junior High School (middle), rated A-; Deer Canyon Elementary School (elementary), rated A-; 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 9923 Lemon Ave, 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 17% of them ($697,168 against a typical $934,739), its price per square foot is higher than 96% of them ($558 against a typical $442), it is bigger than 10% of them (1,250 ft² against a typical 2,152 ft²), its lot is bigger than 61% of them (0.43 ac against a typical 0.22 ac) and it is newer than almost none of them (1954 against a typical 1987). Measured against all of San Bernardino County, it is worth more than 76% 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 9923 Lemon Ave, Rancho Cucamonga, CA?

The 2025 property tax bill for 9923 Lemon Ave, Rancho Cucamonga, CA was $2,984. The county assessed it at $257,587.

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