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Single Family ResidenceResidential
$411,072$259 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $180,000 on Apr 21, 2000

402 OLIVER DR

WESTMONT, IL 60559
3
Beds
2.5
Baths
1,587 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
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

$411K
$379K low$443K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$180,000 · Apr 21, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,807 (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.$114,392 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,693
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$83,699
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$106,017
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$343,176

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.Bi-Level
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.12
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.Yes
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Fairmount Elementary SchoolA
Elementary · Grades KG–6 · 0.7 mi
M
O'Neill Middle SchoolB+
Middle · Grades 7–8 · 0.8 mi
H
Community High School District 99 - South High SchoolB-
High · Grades 9–12 · 1.7 mi

District: Community High School District 99

Neighborhood · ZIP 60559These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.23,724
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,552 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,823
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,007
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

402 Oliver Dr 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.

  • Has a smaller lot than 90% of homes in DuPage County

What homes are worth in Westmont 60559

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

This home
$200K$1.1M

This home is worth more than 49% of homes in Westmont 60559.

How it measures up in Westmont 60559

The dot is this home. The mark in the middle is the typical home in Westmont 60559.

Estimated value$411,072
CheaperTypical $411,625Pricier

Pricier than 49% of homes nearby

Price per ft²$259
CheaperTypical $275Pricier

Pricier than 38% of homes nearby

Living area1,587 ft²
SmallerTypical 1,458 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.12 ac
SmallerTypical 0.21 acBigger

Bigger than 14% of homes nearby

Year built1982
OlderTypical 1977Newer

Newer than 57% of homes nearby

How 402 Oliver Dr ranks against every home in each area.
MeasureThis homeWestmont 60559DuPage County
Estimated valuepricier than$411,07249% of homes41% of homes
Price per ft²pricier than$25938% of homes59% of homes
Living areabigger than1,587 ft²55% of homes38% of homes
Lot sizebigger than0.12 ac14% of homes10% of homes
Year builtnewer than198257% of homes59% of homes

About 402 Oliver Dr

How much is 402 Oliver Dr, Westmont, IL worth?

The TopHap Estimate for 402 Oliver Dr, Westmont, IL is $411,072 as of Aug 30, 2026. The likely range is $379,302 to $442,842. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 402 Oliver Dr, Westmont, IL last sell?

402 Oliver Dr, Westmont, IL last sold on Apr 21, 2000 for $180,000, according to the county's recorded deed.

How big is 402 Oliver Dr, Westmont, IL?

402 Oliver Dr, Westmont, IL has 3 bedrooms, 2.5 bathrooms, 1,587 square feet of living space and a 0.12-acre lot.

When was 402 Oliver Dr, Westmont, IL built?

402 Oliver Dr, Westmont, IL was built in 1982, making it 44 years old. It is a bi-level home. The building has 2 stories.

What schools serve 402 Oliver Dr, Westmont, IL?

402 Oliver Dr, Westmont, IL is assigned to Fairmount Elementary School (elementary), rated A; O'Neill Middle School (middle), rated B+; Community High School District 99 - South High School (high), rated B-. All sit in Community High School District 99. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 402 Oliver Dr, Westmont, IL compare to other homes in Westmont 60559?

Among the 6,971 homes in Westmont 60559, it is worth more than 49% of them ($411,072 against a typical $411,625), its price per square foot is higher than 38% of them ($259 against a typical $275), it is bigger than 55% of them (1,587 ft² against a typical 1,458 ft²), its lot is bigger than 14% of them (0.12 ac against a typical 0.21 ac) and it is newer than 57% of them (1982 against a typical 1977). Measured against all of DuPage County, it is worth more than 41% 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 402 Oliver Dr, Westmont, IL?

The 2025 property tax bill for 402 Oliver Dr, Westmont, IL was $6,807. The county assessed it at $114,392.

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Assigned schools

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