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Single Family ResidenceResidential
$376,313$329 / 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 90How 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

517 N WASHINGTON ST

WESTMONT, IL 60559
2
Baths
1,144 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$376K
$339K low$414K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,639 (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.$122,385 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$48,217
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$74,168
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$113,425
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$367,155

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.Split Level
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.48
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
C E Miller Elementary School
Elementary · Grades KG–1 · 0.1 mi
M
Westmont Jr High SchoolA
Middle · Grades 6–8 · 1.1 mi
H
Westmont High SchoolA
High · Grades 9–12 · 1.2 mi

District: Westmont Community Unit School District 201

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

517 N 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.

  • Worth less than 67% of homes in DuPage County
  • Costs more per square foot than 85% of homes in Westmont 60559
  • Smaller than 84% of homes in DuPage County
  • Has a bigger lot than 89% of homes in Westmont 60559

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
$203K$1.1M

This home is worth more than 41% 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$376,313
CheaperTypical $412,586Pricier

Pricier than 41% of homes nearby

Price per ft²$329
CheaperTypical $274Pricier

Pricier than 85% of homes nearby

Living area1,144 ft²
SmallerTypical 1,457 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.48 ac
SmallerTypical 0.21 acBigger

Bigger than 89% of homes nearby

Year built1977
OlderTypical 1977Newer

Newer than 53% of homes nearby

How 517 N Washington St ranks against every home in each area.
MeasureThis homeWestmont 60559DuPage County
Estimated valuepricier than$376,31341% of homes33% of homes
Price per ft²pricier than$32985% of homes85% of homes
Living areabigger than1,144 ft²26% of homes16% of homes
Lot sizebigger than0.48 ac89% of homes79% of homes
Year builtnewer than197753% of homes50% of homes

About 517 N Washington St

How much is 517 N Washington St, Westmont, IL worth?

The TopHap Estimate for 517 N Washington St, Westmont, IL is $376,313 as of Aug 30, 2026. The likely range is $338,654 to $413,972. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 517 N Washington St, Westmont, IL last sell?

517 N Washington St, Westmont, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 517 N Washington St, Westmont, IL?

517 N Washington St, Westmont, IL has 2 bathrooms, 1,144 square feet of living space and a 0.48-acre lot.

When was 517 N Washington St, Westmont, IL built?

517 N Washington St, Westmont, IL was built in 1977, making it 49 years old. It is a split level home. The building has 1 story.

What schools serve 517 N Washington St, Westmont, IL?

517 N Washington St, Westmont, IL is assigned to C E Miller Elementary School (elementary); Westmont Jr High School (middle), rated A; Westmont High School (high), rated A. All sit in Westmont Community Unit School District 201. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 517 N Washington St, Westmont, IL compare to other homes in Westmont 60559?

Among the 6,971 homes in Westmont 60559, it is worth more than 41% of them ($376,313 against a typical $412,586), its price per square foot is higher than 85% of them ($329 against a typical $274), it is bigger than 26% of them (1,144 ft² against a typical 1,457 ft²), its lot is bigger than 89% of them (0.48 ac against a typical 0.21 ac) and it is newer than 53% of them (1977 against a typical 1977). Measured against all of DuPage 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 517 N Washington St, Westmont, IL?

The 2025 property tax bill for 517 N Washington St, Westmont, IL was $6,639. The county assessed it at $122,385.

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