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Single Family ResidenceResidential
$677,854$460 / 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 97How 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 $485,000 on Apr 25, 2018

10243 HEMLOCK ST

RANCHO CUCAMONGA, CA 91730
4
Beds
2
Baths
1,472 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.
1973
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

$678K
$660K low$696K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$485,000 · Apr 25, 2018
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.$146,054
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$116,843
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.80%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$381,800
EZ FUNDINGS INC · recorded Mar 11, 2021
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$150,000
WESCOM CENTRAL CU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,148 (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.$562,884 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$197,010
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$365,874

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.17
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.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.Yes

Transaction History(11)

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(9)

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

E
Dona Merced Elementary SchoolC+
Elementary · Grades KG–5 · 0.3 mi
M
Ruth Musser Middle SchoolB
Middle · Grades 5–8 · 0.7 mi
H
Rancho Cucamonga High SchoolA-
High · Grades 9–12 · 2.4 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%

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

10243 Hemlock St 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 76% of homes in San Bernardino County
  • Costs more per square foot than 86% of homes in San Bernardino County
  • Has a bigger lot than 73% of homes in Rancho Cucamonga 91730
  • Older than 80% 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 64% 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$677,854
CheaperTypical $629,348Pricier

Pricier than 64% of homes nearby

Price per ft²$460
CheaperTypical $417Pricier

Pricier than 68% of homes nearby

Living area1,472 ft²
SmallerTypical 1,444 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.17 ac
SmallerTypical 0.13 acBigger

Bigger than 73% of homes nearby

Year built1973
OlderTypical 1986Newer

Newer than 20% of homes nearby

How 10243 Hemlock St ranks against every home in each area.
MeasureThis homeRancho Cucamonga 91730San Bernardino County
Estimated valuepricier than$677,85464% of homes76% of homes
Price per ft²pricier than$46068% of homes86% of homes
Living areabigger than1,472 ft²52% of homes43% of homes
Lot sizebigger than0.17 ac73% of homes44% of homes
Year builtnewer than197320% of homes33% of homes

About 10243 Hemlock St

How much is 10243 Hemlock St, Rancho Cucamonga, CA worth?

The TopHap Estimate for 10243 Hemlock St, Rancho Cucamonga, CA is $677,854 as of Jul 14, 2026. The likely range is $659,863 to $695,845. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10243 Hemlock St, Rancho Cucamonga, CA last sell?

10243 Hemlock St, Rancho Cucamonga, CA last sold on Apr 25, 2018 for $485,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 10243 Hemlock St, Rancho Cucamonga, CA?

10243 Hemlock St, Rancho Cucamonga, CA has 4 bedrooms, 2 bathrooms, 1,472 square feet of living space and a 0.17-acre lot.

When was 10243 Hemlock St, Rancho Cucamonga, CA built?

10243 Hemlock St, Rancho Cucamonga, CA was built in 1973, making it 53 years old. It is a modern home. The building has 1 story.

What schools serve 10243 Hemlock St, Rancho Cucamonga, CA?

10243 Hemlock St, Rancho Cucamonga, CA is assigned to Dona Merced Elementary School (elementary), rated C+; Ruth Musser Middle School (middle), rated B; Rancho Cucamonga 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 10243 Hemlock St, 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 64% of them ($677,854 against a typical $629,348), its price per square foot is higher than 68% of them ($460 against a typical $417), it is bigger than 52% of them (1,472 ft² against a typical 1,444 ft²), its lot is bigger than 73% of them (0.17 ac against a typical 0.13 ac) and it is newer than 20% of them (1973 against a typical 1986). 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 10243 Hemlock St, Rancho Cucamonga, CA?

The 2025 property tax bill for 10243 Hemlock St, Rancho Cucamonga, CA was $6,148. The county assessed it at $562,884.

Closest homes

More homes in Rancho Cucamonga 91730

Assigned schools

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