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Single Family ResidenceResidential
$449,438$468 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

339 E ERWIN ST

RIALTO, CA 92376
3
Beds
1
Baths
960 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$449K
$416K low$482K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,826 (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.$119,931 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,976
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$79,955

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.Conventional
CountySAN BERNARDINO
Lot (acres)The size of the land the home sits on, from county records.0.14
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.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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 36 ft²Porch · 36 ft²

Transaction History(8)

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
Casey Elementary SchoolD
Elementary · Grades KG–5 · 0.5 mi
H
Rialto High SchoolC+
High · Grades 9–12 · 0.9 mi
M
Frisbie Middle SchoolD-
Middle · Grades 6–8 · 1.8 mi

District: Rialto Unified School District

Neighborhood · ZIP 92376These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.656

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.5%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.86,781
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,404 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,048
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,256
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

339 E Erwin 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 87% of homes in Rialto 92376
  • Costs more per square foot than 94% of homes in Rialto 92376
  • Smaller than 96% of homes in Rialto 92376
  • Has a smaller lot than 83% of homes in Rialto 92376
  • Older than 87% of homes in Rialto 92376

What homes are worth in Rialto 92376

Each bar is how many homes fall in that price range. The marker is this home.

This home
$357K$715K

This home is worth more than 13% of homes in Rialto 92376.

How it measures up in Rialto 92376

The dot is this home. The mark in the middle is the typical home in Rialto 92376.

Estimated value$449,438
CheaperTypical $546,093Pricier

Pricier than 13% of homes nearby

Price per ft²$468
CheaperTypical $363Pricier

Pricier than 94% of homes nearby

Living area960 ft²
SmallerTypical 1,480 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.14 ac
SmallerTypical 0.18 acBigger

Bigger than 17% of homes nearby

Year built1954
OlderTypical 1978Newer

Newer than 13% of homes nearby

How 339 E Erwin St ranks against every home in each area.
MeasureThis homeRialto 92376San Bernardino County
Estimated valuepricier than$449,43813% of homes33% of homes
Price per ft²pricier than$46894% of homes86% of homes
Living areabigger than960 ft²4% of homes10% of homes
Lot sizebigger than0.14 ac17% of homes27% of homes
Year builtnewer than195413% of homes14% of homes

About 339 E Erwin St

How much is 339 E Erwin St, Rialto, CA worth?

The TopHap Estimate for 339 E Erwin St, Rialto, CA is $449,438 as of Sep 24, 2026. The likely range is $416,499 to $482,377. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 339 E Erwin St, Rialto, CA last sell?

339 E Erwin St, Rialto, CA last sold on Apr 17, 1995, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 339 E Erwin St, Rialto, CA?

339 E Erwin St, Rialto, CA has 3 bedrooms, 1 bathrooms, 960 square feet of living space and a 0.14-acre lot.

When was 339 E Erwin St, Rialto, CA built?

339 E Erwin St, Rialto, CA was built in 1954, making it 72 years old. It is a conventional home. The building has 1 story.

What schools serve 339 E Erwin St, Rialto, CA?

339 E Erwin St, Rialto, CA is assigned to Casey Elementary School (elementary), rated D; Rialto High School (high), rated C+; Frisbie Middle School (middle), rated D-. All sit in Rialto Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 339 E Erwin St, Rialto, CA compare to other homes in Rialto 92376?

Among the 18,387 homes in Rialto 92376, it is worth more than 13% of them ($449,438 against a typical $546,093), its price per square foot is higher than 94% of them ($468 against a typical $363), it is bigger than 4% of them (960 ft² against a typical 1,480 ft²), its lot is bigger than 17% of them (0.14 ac against a typical 0.18 ac) and it is newer than 13% of them (1954 against a typical 1978). Measured against all of San Bernardino County, it is worth more than 33% 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 339 E Erwin St, Rialto, CA?

The 2025 property tax bill for 339 E Erwin St, Rialto, CA was $1,826. The county assessed it at $119,931.

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