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Duplex (2 Units, Any Combination)Residential
$520,937$428 / 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 91How 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 $415,000 on Jan 25, 2018

10233 26TH ST

RANCHO CUCAMONGA, CA 91730
3
Beds
3
Baths
1,216 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.
1946
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$521K
$471K low$570K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$415,000 · Jan 25, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,075 (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.$481,644 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$174,090
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$307,554

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.8 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.Duplex (2 Units, Any Combination)
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.0.17
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.Composition Shingle
HeatingThe type of heating system in the home.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.None
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 · 60 ft²Porch · 60 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

M
Rancho Cucamonga Middle SchoolC-
Middle · Grades 6–8 · 0.3 mi
E
Cucamonga Elementary SchoolD+
Elementary · Grades KG–5 · 0.6 mi
H
Chaffey High SchoolC+
High · Grades 9–12 · 4.3 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%

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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

10233 26th 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 less than 82% of homes in Rancho Cucamonga 91730
  • Costs more per square foot than 77% of homes in San Bernardino County
  • Smaller than 77% of homes in Rancho Cucamonga 91730
  • Has a bigger lot than 77% of homes in Southwest Rancho Cucamonga
  • Older than 98% 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
$397K$964K

This home is worth more than 18% 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$520,937
CheaperTypical $648,607Pricier

Pricier than 18% of homes nearby

Price per ft²$428
CheaperTypical $426Pricier

Pricier than 51% of homes nearby

Living area1,216 ft²
SmallerTypical 1,444 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.17 ac
SmallerTypical 0.13 acBigger

Bigger than 76% of homes nearby

Year built1946
OlderTypical 1986Newer

Newer than 2% of homes nearby

How 10233 26th St ranks against every home in each area.
MeasureThis homeSouthwest Rancho CucamongaRancho Cucamonga 91730San Bernardino County
Estimated valuepricier than$520,93732% of homes18% of homes48% of homes
Price per ft²pricier than$42854% of homes51% of homes77% of homes
Living areabigger than1,216 ft²37% of homes23% of homes24% of homes
Lot sizebigger than0.17 ac77% of homes76% of homes46% of homes
Year builtnewer than19463% of homes2% of homes7% of homes

About 10233 26th St

How much is 10233 26th St, Rancho Cucamonga, CA worth?

The TopHap Estimate for 10233 26th St, Rancho Cucamonga, CA is $520,937 as of Jul 14, 2026. The likely range is $471,480 to $570,394. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10233 26th St, Rancho Cucamonga, CA last sell?

10233 26th St, Rancho Cucamonga, CA last sold on Jan 25, 2018 for $415,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 10233 26th St, Rancho Cucamonga, CA?

10233 26th St, Rancho Cucamonga, CA has 3 bedrooms, 3 bathrooms, 1,216 square feet of living space and a 0.17-acre lot.

When was 10233 26th St, Rancho Cucamonga, CA built?

10233 26th St, Rancho Cucamonga, CA was built in 1946, making it 80 years old. It is a conventional home. The building has 1 story.

What schools serve 10233 26th St, Rancho Cucamonga, CA?

10233 26th St, Rancho Cucamonga, CA is assigned to Rancho Cucamonga Middle School (middle), rated C-; Cucamonga Elementary School (elementary), rated D+; Chaffey High School (high), rated C+. All sit in Chaffey Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10233 26th St, Rancho Cucamonga, CA compare to other homes in Rancho Cucamonga 91730?

Among the 16,262 homes in Rancho Cucamonga 91730, it is worth more than 18% of them ($520,937 against a typical $648,607), its price per square foot is higher than 51% of them ($428 against a typical $426), it is bigger than 23% of them (1,216 ft² against a typical 1,444 ft²), its lot is bigger than 76% of them (0.17 ac against a typical 0.13 ac) and it is newer than 2% of them (1946 against a typical 1986). Measured against all of San Bernardino County, it is worth more than 48% 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 10233 26th St, Rancho Cucamonga, CA?

The 2025 property tax bill for 10233 26th St, Rancho Cucamonga, CA was $5,075. The county assessed it at $481,644.

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