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CondominiumResidential
$543,406
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 94How 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 $49,000 on Oct 30, 2025

11100 4TH ST

RANCHO CUCAMONGA, CA 91730
0
Baths
12.29 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$543K
$511K low$576K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$49,000 · Oct 30, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$239,724 (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.$21,042,958 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,042,958

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.32
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
79
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.11 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.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountySAN BERNARDINO
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(19)

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.

E
The Ontario Center SchoolC+
Elementary · Grades KG–5 · 1.1 mi
M
Rancho Cucamonga Middle SchoolB-
Middle · Grades 6–8 · 1.7 mi
H
Colony High SchoolC
High · Grades 9–12 · 4.3 mi

District: Cucamonga Elementary 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

11100 4th 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 70% of homes in Rancho Cucamonga 91730
  • Among the largest lots 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
$361K$937K

This home is worth more than 30% 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$543,406
CheaperTypical $625,883Pricier

Pricier than 30% of homes nearby

Lot size12.29 ac
SmallerTypical 0.13 acBigger

Bigger than almost all homes nearby

How 11100 4th St ranks against every home in each area.
MeasureThis homeRancho Cucamonga 91730San Bernardino County
Estimated valuepricier than$543,40630% of homes56% of homes
Lot sizebigger than12.29 acalmost all homesalmost all homes

About 11100 4th St

How much is 11100 4th St, Rancho Cucamonga, CA worth?

The TopHap Estimate for 11100 4th St, Rancho Cucamonga, CA is $543,406 as of Jul 14, 2026. The likely range is $510,590 to $576,222. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11100 4th St, Rancho Cucamonga, CA last sell?

11100 4th St, Rancho Cucamonga, CA last sold on Oct 30, 2025 for $49,000, according to the county's recorded deed. TopHap holds 18 recorded sales for this parcel.

What schools serve 11100 4th St, Rancho Cucamonga, CA?

11100 4th St, Rancho Cucamonga, CA is assigned to The Ontario Center School (elementary), rated C+; Rancho Cucamonga Middle School (middle), rated B-; Colony High School (high), rated C. All sit in Cucamonga Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11100 4th 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 30% of them ($543,406 against a typical $625,883) and its lot is bigger than almost all of them (12.29 ac against a typical 0.13 ac). Measured against all of San Bernardino County, it is worth more than 56% 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 11100 4th St, Rancho Cucamonga, CA?

The 2025 property tax bill for 11100 4th St, Rancho Cucamonga, CA was $239,724. The county assessed it at $21,042,958.

More homes on 4th St

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Assigned schools

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