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Duplex (2 Units, Any Combination)Residential
$427,566$346 / 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

10390 25TH ST

RANCHO CUCAMONGA, CA 91730
2
Beds
2
Baths
1,237 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.
1935
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$428K
$389K low$466K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,738 (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.$635,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$222,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$412,800

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.12 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.Frame (Unspecified)
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
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

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 SchoolB-
Middle · Grades 6–8 · 0.5 mi
E
Cucamonga Elementary SchoolD-
Elementary · Grades KG–5 · 0.8 mi
H
Chaffey High SchoolC-
High · Grades 9–12 · 4.4 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%

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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

10390 25th 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 94% of homes in South Haven Avenue
  • Costs less per square foot than 79% of homes in Rancho Cucamonga 91730
  • Smaller than 83% of homes in South Haven Avenue
  • Has a bigger lot than 98% of homes in South Haven Avenue
  • Among the oldest 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
$350K$973K

This home is worth more than 8% 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$427,566
CheaperTypical $626,435Pricier

Pricier than 8% of homes nearby

Price per ft²$346
CheaperTypical $408Pricier

Pricier than 21% of homes nearby

Living area1,237 ft²
SmallerTypical 1,443 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.17 ac
SmallerTypical 0.13 acBigger

Bigger than 76% of homes nearby

Year built1935
OlderTypical 1986Newer

Older than almost all homes nearby

How 10390 25th St ranks against every home in each area.
MeasureThis homeSouth Haven AvenueRancho Cucamonga 91730San Bernardino County
Estimated valuepricier than$427,5666% of homes8% of homes32% of homes
Price per ft²pricier than$34666% of homes21% of homes56% of homes
Living areabigger than1,237 ft²17% of homes26% of homes25% of homes
Lot sizebigger than0.17 ac98% of homes76% of homes46% of homes
Year builtnewer than19358% of homesalmost no homes4% of homes

About 10390 25th St

How much is 10390 25th St, Rancho Cucamonga, CA worth?

The TopHap Estimate for 10390 25th St, Rancho Cucamonga, CA is $427,566 as of Jul 14, 2026. The likely range is $388,818 to $466,314. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10390 25th St, Rancho Cucamonga, CA last sell?

10390 25th St, Rancho Cucamonga, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 10390 25th St, Rancho Cucamonga, CA?

10390 25th St, Rancho Cucamonga, CA has 2 bedrooms, 2 bathrooms, 1,237 square feet of living space and a 0.17-acre lot.

When was 10390 25th St, Rancho Cucamonga, CA built?

10390 25th St, Rancho Cucamonga, CA was built in 1935, making it 91 years old. It is a conventional home. The building has 1 story.

What schools serve 10390 25th St, Rancho Cucamonga, CA?

10390 25th St, Rancho Cucamonga, CA is assigned to Rancho Cucamonga Middle School (middle), rated B-; 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 10390 25th 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 8% of them ($427,566 against a typical $626,435), its price per square foot is higher than 21% of them ($346 against a typical $408), it is bigger than 26% of them (1,237 ft² against a typical 1,443 ft²), its lot is bigger than 76% of them (0.17 ac against a typical 0.13 ac) and it is newer than almost none of them (1935 against a typical 1986). Measured against all of San Bernardino County, it is worth more than 32% 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 10390 25th St, Rancho Cucamonga, CA?

The 2025 property tax bill for 10390 25th St, Rancho Cucamonga, CA was $6,738. The county assessed it at $635,100.

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