Skip to content
Skip to content
TopHapOpen in map
Commercial (General)Commercial
Last sold for $1,400,000 on Jul 7, 2006

520 S WASHINGTON ST

NAPERVILLE, IL 60540
0
Baths
1.35 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,400,000 · Jul 7, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$549 (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.$9,423 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,749
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,674
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$8,592
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$28,269

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.107 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 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.Commercial (General)
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(3)

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
Highlands Elementary SchoolA+
Elementary · Grades KG–5 · 0.3 mi
H
Naperville Central High SchoolA+
High · Grades 9–12 · 0.5 mi
M
Kennedy Junior High SchoolA+
Middle · Grades 6–8 · 2.0 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%

Owner Tools

Do you own this home?
Claim this home

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

520 S Washington 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.

  • Has a bigger lot than 95% of homes in Naperville 60540
  • Newer than 95% of homes in DuPage County

How it measures up in Naperville 60540

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

Lot size1.35 ac
SmallerTypical 0.25 acBigger

Bigger than 95% of homes nearby

Year built2006
OlderTypical 1983Newer

Newer than 91% of homes nearby

How 520 S Washington St ranks against every home in each area.
MeasureThis homeNaperville 60540DuPage County
Lot sizebigger than1.35 ac95% of homes87% of homes
Year builtnewer than200691% of homes95% of homes

About 520 S Washington St

When did 520 S Washington St, Naperville, IL last sell?

520 S Washington St, Naperville, IL last sold on Jul 7, 2006 for $1,400,000, according to the county's recorded deed.

When was 520 S Washington St, Naperville, IL built?

520 S Washington St, Naperville, IL was built in 2006, making it 20 years old. It is a condo/apartment home.

What schools serve 520 S Washington St, Naperville, IL?

520 S Washington St, Naperville, IL is assigned to Highlands Elementary School (elementary), rated A+; Naperville Central High School (high), rated A+; Kennedy Junior High School (middle), rated A+. All sit in Naperville Community Unit District 203. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 S Washington St, Naperville, IL compare to other homes in Naperville 60540?

Among the 14,044 homes in Naperville 60540, its lot is bigger than 95% of them (1.35 ac against a typical 0.25 ac) and it is newer than 91% of them (2006 against a typical 1983). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 520 S Washington St, Naperville, IL?

The 2025 property tax bill for 520 S Washington St, Naperville, IL was $549. The county assessed it at $9,423.

More homes on S Washington St

Closest homes

More homes in Naperville 60540

Assigned schools

Explore the area

See this home in context

Open 520 S Washington St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map