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CondominiumResidential
$295,347$369 / 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 85How 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 $4,535,500 on Nov 6, 2019

21 OLYMPUS DR

NAPERVILLE, IL 60540
Building report
1
Baths
801 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.
1.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.

Valuation

$295K
$252K low$339K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,535,500 · Nov 6, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,226 (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.$38,137 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,358
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$27,779
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$35,140
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$114,411

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.37
1
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.
70
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
70
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyDUPAGE
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
Elmwood Elementary SchoolA-
Elementary · Grades KG–5 · 0.4 mi
M
Lincoln Junior High SchoolA
Middle · Grades 6–8 · 0.5 mi
H
Naperville Central High SchoolA+
High · Grades 9–12 · 1.2 mi

District: Naperville Community Unit District 203

Neighborhood · ZIP 60540These 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.74
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.51

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.45,217
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,223 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$143,923
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$182,929
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

21 Olympus 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.

  • Worth less than 97% of homes in Naperville 60540
  • Costs more per square foot than 94% of homes in Naperville 60540
  • Among the smallest homes in Naperville 60540
  • Has a bigger lot than 94% of homes in Naperville 60540
  • Older than 82% of homes in Naperville 60540

What homes are worth in Naperville 60540

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

This home
$240K$2.1M

This home is worth more than 3% of homes in Naperville 60540.

How it measures up in Naperville 60540

The dot is this home. The mark in the middle is the typical home in Naperville 60540.

Estimated value$295,347
CheaperTypical $650,842Pricier

Pricier than 3% of homes nearby

Price per ft²$369
CheaperTypical $261Pricier

Pricier than 94% of homes nearby

Living area801 ft²
SmallerTypical 2,456 ft²Bigger

Smaller than almost all homes nearby

Lot size1.34 ac
SmallerTypical 0.25 acBigger

Bigger than 94% of homes nearby

Year built1965
OlderTypical 1983Newer

Newer than 18% of homes nearby

How 21 Olympus Dr ranks against every home in each area.
MeasureThis homeNaperville 60540DuPage County
Estimated valuepricier than$295,3473% of homes14% of homes
Price per ft²pricier than$36994% of homes91% of homes
Living areabigger than801 ft²almost no homes2% of homes
Lot sizebigger than1.34 ac94% of homes87% of homes
Year builtnewer than196518% of homes27% of homes

About 21 Olympus Dr

How much is 21 Olympus Dr, Naperville, IL worth?

The TopHap Estimate for 21 Olympus Dr, Naperville, IL is $295,347 as of Sep 24, 2026. The likely range is $251,697 to $338,997. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Olympus Dr, Naperville, IL last sell?

21 Olympus Dr, Naperville, IL last sold on Nov 6, 2019 for $4,535,500, according to the county's recorded deed.

How big is 21 Olympus Dr, Naperville, IL?

21 Olympus Dr, Naperville, IL has 1 bathrooms and 801 square feet of living space.

When was 21 Olympus Dr, Naperville, IL built?

21 Olympus Dr, Naperville, IL was built in 1965, making it 61 years old. It is a condo/apartment home.

What schools serve 21 Olympus Dr, Naperville, IL?

21 Olympus Dr, Naperville, IL is assigned to Elmwood Elementary School (elementary), rated A-; Lincoln Junior High School (middle), rated A; Naperville Central High School (high), rated A+. All sit in Naperville Community Unit District 203. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Olympus Dr, Naperville, IL compare to other homes in Naperville 60540?

Among the 14,044 homes in Naperville 60540, it is worth more than 3% of them ($295,347 against a typical $650,842), its price per square foot is higher than 94% of them ($369 against a typical $261), it is bigger than almost none of them (801 ft² against a typical 2,456 ft²), its lot is bigger than 94% of them (1.34 ac against a typical 0.25 ac) and it is newer than 18% of them (1965 against a typical 1983). Measured against all of DuPage County, it is worth more than 14% 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 21 Olympus Dr, Naperville, IL?

The 2025 property tax bill for 21 Olympus Dr, Naperville, IL was $2,226. The county assessed it at $38,137.

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