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Single Family ResidenceResidential
$720,448$412 / 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 96How 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

6231 KINLOCK AVE

RANCHO CUCAMONGA, CA 91737
4
Beds
2
Baths
1,750 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.
1964
Year BuiltThe year the home was originally built, according to county records.
1
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

$720K
$688K low$753K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$612 (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.$58,803 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,479
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$46,324

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.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Evaporative
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

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 · 0.3 mi
E
Hermosa Elementary SchoolA-
Elementary · Grades KG–5 · 0.6 mi
H
Los Osos High SchoolA-
High · Grades 9–12 · 1.5 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

6231 Kinlock 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 79% of homes in Rancho Cucamonga 91737
  • Costs more per square foot than 73% of homes in San Bernardino County
  • Smaller than 67% of homes in Rancho Cucamonga 91737
  • Older than 97% of 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
$348K$2.3M

This home is worth more than 21% 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$720,448
CheaperTypical $938,304Pricier

Pricier than 21% of homes nearby

Price per ft²$412
CheaperTypical $442Pricier

Pricier than 28% of homes nearby

Living area1,750 ft²
SmallerTypical 2,152 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.17 ac
SmallerTypical 0.22 acBigger

Bigger than 40% of homes nearby

Year built1964
OlderTypical 1987Newer

Newer than 3% of homes nearby

How 6231 Kinlock Ave ranks against every home in each area.
MeasureThis homeRancho Cucamonga 91737San Bernardino County
Estimated valuepricier than$720,44821% of homes79% of homes
Price per ft²pricier than$41228% of homes73% of homes
Living areabigger than1,750 ft²33% of homes60% of homes
Lot sizebigger than0.17 ac40% of homes44% of homes
Year builtnewer than19643% of homes26% of homes

About 6231 Kinlock Ave

How much is 6231 Kinlock Ave, Rancho Cucamonga, CA worth?

The TopHap Estimate for 6231 Kinlock Ave, Rancho Cucamonga, CA is $720,448 as of Sep 24, 2026. The likely range is $688,305 to $752,591. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6231 Kinlock Ave, Rancho Cucamonga, CA last sell?

6231 Kinlock Ave, Rancho Cucamonga, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 6231 Kinlock Ave, Rancho Cucamonga, CA?

6231 Kinlock Ave, Rancho Cucamonga, CA has 4 bedrooms, 2 bathrooms, 1,750 square feet of living space and a 0.17-acre lot.

When was 6231 Kinlock Ave, Rancho Cucamonga, CA built?

6231 Kinlock Ave, Rancho Cucamonga, CA was built in 1964, making it 62 years old. It is a modern home. The building has 1 story.

What schools serve 6231 Kinlock Ave, Rancho Cucamonga, CA?

6231 Kinlock Ave, Rancho Cucamonga, CA is assigned to Vineyard Junior High School (middle), rated A-; Hermosa 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 6231 Kinlock 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 21% of them ($720,448 against a typical $938,304), its price per square foot is higher than 28% of them ($412 against a typical $442), it is bigger than 33% of them (1,750 ft² against a typical 2,152 ft²), its lot is bigger than 40% of them (0.17 ac against a typical 0.22 ac) and it is newer than 3% of them (1964 against a typical 1987). Measured against all of San Bernardino County, it is worth more than 79% 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 6231 Kinlock Ave, Rancho Cucamonga, CA?

The 2025 property tax bill for 6231 Kinlock Ave, Rancho Cucamonga, CA was $612. The county assessed it at $58,803.

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