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Mobile HomeResidential

2139 E 4TH ST

ONTARIO, CA 91764
Building report
2
Beds
2
Baths
1,070 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.
2018
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$656 (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.$69,500 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$69,500

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.24
82
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.21 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Modular
CountySAN BERNARDINO
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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.

E
Los Amigos Elementary SchoolD+
Elementary · Grades KG–5 · 1.5 mi
M
Rancho Cucamonga Middle SchoolC-
Middle · Grades 6–8 · 1.5 mi
H
Colony High SchoolB-
High · Grades 9–12 · 4.8 mi

District: Cucamonga Elementary School District

Neighborhood · ZIP 91764These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.415

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.56,334
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,992 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,921
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,027
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

2139 E 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.

  • Smaller than 85% of homes in San Bernardino County
  • Newer than 98% of homes in Ontario 91764

How it measures up in Ontario 91764

The dot is this home. The mark in the middle is the typical home in Ontario 91764.

Living area1,070 ft²
SmallerTypical 1,348 ft²Bigger

Bigger than 19% of homes nearby

Year built2018
OlderTypical 1962Newer

Newer than 98% of homes nearby

How 2139 E 4th St ranks against every home in each area.
MeasureThis homeOntario 91764San Bernardino County
Living areabigger than1,070 ft²19% of homes15% of homes
Year builtnewer than201898% of homes95% of homes

About 2139 E 4th St

When did 2139 E 4th St, Ontario, CA last sell?

2139 E 4th St, Ontario, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 2139 E 4th St, Ontario, CA?

2139 E 4th St, Ontario, CA has 2 bedrooms, 2 bathrooms and 1,070 square feet of living space.

When was 2139 E 4th St, Ontario, CA built?

2139 E 4th St, Ontario, CA was built in 2018, making it 8 years old. It is a modular home. The building has 1 story.

What schools serve 2139 E 4th St, Ontario, CA?

2139 E 4th St, Ontario, CA is assigned to Los Amigos Elementary School (elementary), rated D+; Rancho Cucamonga Middle School (middle), rated C-; Colony High School (high), rated B-. All sit in Cucamonga Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2139 E 4th St, Ontario, CA compare to other homes in Ontario 91764?

Among the 10,528 homes in Ontario 91764, it is bigger than 19% of them (1,070 ft² against a typical 1,348 ft²) and it is newer than 98% of them (2018 against a typical 1962). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 2139 E 4th St, Ontario, CA?

The 2025 property tax bill for 2139 E 4th St, Ontario, CA was $656. The county assessed it at $69,500.

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Assigned schools

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