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Single Family ResidenceResidential
$619,246$452 / 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 96How 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
Last sold for $520,000 on Aug 27, 2021

18284 SUMMIT AVE

RIALTO, CA 92377
2
Beds
2
Baths
1,370 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
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.

Valuation

$619K
$596K low$643K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$520,000 · Aug 27, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,358 (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.$562,864 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140,716
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$422,148

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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountySAN BERNARDINO
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1983
Lot (acres)The size of the land the home sits on, from county records.0.21
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, Detached
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 · 131 ft²Porch · 131 ft²

Transaction History(11)

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

Foreclosure Filings(5)

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

H
Carter High SchoolB-
High · Grades 9–12 · 0.3 mi
M
Kucera Middle SchoolB-
Middle · Grades 6–8 · 1.0 mi
E
Dr. Edward Fitzgerald Elementary SchoolC
Elementary · Grades KG–5 · 1.4 mi

District: Rialto Unified School District

Neighborhood · ZIP 92377These 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.19
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 100.818

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.99%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
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.22,976
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,671 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,935
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,114
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.25 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

18284 Summit Ave 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 more than 65% of homes in San Bernardino County
  • Costs more per square foot than 95% of homes in Rialto 92377
  • Smaller than 87% of homes in Rialto 92377
  • Has a bigger lot than 68% of homes in Rialto 92377
  • Older than 79% of homes in Rialto 92377

What homes are worth in Rialto 92377

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

This home
$432K$779K

This home is worth more than 45% of homes in Rialto 92377.

How it measures up in Rialto 92377

The dot is this home. The mark in the middle is the typical home in Rialto 92377.

Estimated value$619,246
CheaperTypical $627,384Pricier

Pricier than 45% of homes nearby

Price per ft²$452
CheaperTypical $331Pricier

Pricier than 95% of homes nearby

Living area1,370 ft²
SmallerTypical 1,772 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.21 ac
SmallerTypical 0.19 acBigger

Bigger than 68% of homes nearby

Year built1980
OlderTypical 1990Newer

Newer than 21% of homes nearby

How 18284 Summit Ave ranks against every home in each area.
MeasureThis homeRialto 92377San Bernardino County
Estimated valuepricier than$619,24645% of homes65% of homes
Price per ft²pricier than$45295% of homes83% of homes
Living areabigger than1,370 ft²13% of homes35% of homes
Lot sizebigger than0.21 ac68% of homes63% of homes
Year builtnewer than198021% of homes44% of homes

About 18284 Summit Ave

How much is 18284 Summit Ave, Rialto, CA worth?

The TopHap Estimate for 18284 Summit Ave, Rialto, CA is $619,246 as of Sep 24, 2026. The likely range is $595,639 to $642,853. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18284 Summit Ave, Rialto, CA last sell?

18284 Summit Ave, Rialto, CA last sold on Aug 27, 2021 for $520,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 18284 Summit Ave, Rialto, CA?

18284 Summit Ave, Rialto, CA has 2 bedrooms, 2 bathrooms, 1,370 square feet of living space and a 0.21-acre lot.

When was 18284 Summit Ave, Rialto, CA built?

18284 Summit Ave, Rialto, CA was built in 1980, making it 46 years old. It is a conventional home. The building has 1 story.

What schools serve 18284 Summit Ave, Rialto, CA?

18284 Summit Ave, Rialto, CA is assigned to Carter High School (high), rated B-; Kucera Middle School (middle), rated B-; Dr. Edward Fitzgerald Elementary School (elementary), rated C. All sit in Rialto Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18284 Summit Ave, Rialto, CA compare to other homes in Rialto 92377?

Among the 7,213 homes in Rialto 92377, it is worth more than 45% of them ($619,246 against a typical $627,384), its price per square foot is higher than 95% of them ($452 against a typical $331), it is bigger than 13% of them (1,370 ft² against a typical 1,772 ft²), its lot is bigger than 68% of them (0.21 ac against a typical 0.19 ac) and it is newer than 21% of them (1980 against a typical 1990). Measured against all of San Bernardino County, it is worth more than 65% 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 18284 Summit Ave, Rialto, CA?

The 2025 property tax bill for 18284 Summit Ave, Rialto, CA was $7,358. The county assessed it at $562,864.

More homes on Summit Ave

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