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Single Family ResidenceResidential
$1,573,358$1,020 / 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 80How 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

427 S WASHINGTON ST

HINSDALE, IL 60521
2
Baths
1,542 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
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

$1.6M
$1.3M low$1.9M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,637 (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.$230,991 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$101,622
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$129,369
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$214,079
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$692,973

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.17
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

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

M
Hinsdale Middle SchoolA+
Middle · Grades 6–8 · 0.2 mi
E
Oak Elementary SchoolA+
Elementary · Grades PK–5 · 0.7 mi
H
Hinsdale Central High SchoolA+
High · Grades 9–12 · 0.7 mi

District: Hinsdale Township High School District 86

Neighborhood · ZIP 60521These 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.43
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.121
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.93%
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.1.6%
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.17,211
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,597 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$235,781
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$359,560
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

427 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.

  • Worth more than 98% of homes in DuPage County
  • Among the highest price per square foot in DuPage County
  • Smaller than 86% of homes in Hinsdale 60521
  • Has a smaller lot than 84% of homes in Hinsdale 60521
  • Among the oldest homes in DuPage County

What homes are worth in Hinsdale 60521

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

This home
$307K$4.3M

This home is worth more than 65% of homes in Hinsdale 60521.

How it measures up in Hinsdale 60521

The dot is this home. The mark in the middle is the typical home in Hinsdale 60521.

Estimated value$1,573,358
CheaperTypical $1,233,397Pricier

Pricier than 65% of homes nearby

Price per ft²$1020
CheaperTypical $428Pricier

Pricier than almost all homes nearby

Living area1,542 ft²
SmallerTypical 2,861 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.17 ac
SmallerTypical 0.26 acBigger

Bigger than 16% of homes nearby

Year built1910
OlderTypical 1978Newer

Newer than 5% of homes nearby

How 427 S Washington St ranks against every home in each area.
MeasureThis homeHinsdale 60521DuPage County
Estimated valuepricier than$1,573,35865% of homes98% of homes
Price per ft²pricier than$1020almost all homesalmost all homes
Living areabigger than1,542 ft²14% of homes36% of homes
Lot sizebigger than0.17 ac16% of homes18% of homes
Year builtnewer than19105% of homesalmost no homes

About 427 S Washington St

How much is 427 S Washington St, Hinsdale, IL worth?

The TopHap Estimate for 427 S Washington St, Hinsdale, IL is $1,573,358 as of Sep 24, 2026. The likely range is $1,259,622 to $1,887,094. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 427 S Washington St, Hinsdale, IL last sell?

427 S Washington St, Hinsdale, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 427 S Washington St, Hinsdale, IL?

427 S Washington St, Hinsdale, IL has 2 bathrooms, 1,542 square feet of living space and a 0.17-acre lot.

When was 427 S Washington St, Hinsdale, IL built?

427 S Washington St, Hinsdale, IL was built in 1910, making it 116 years old. The building has 1 story.

What schools serve 427 S Washington St, Hinsdale, IL?

427 S Washington St, Hinsdale, IL is assigned to Hinsdale Middle School (middle), rated A+; Oak Elementary School (elementary), rated A+; Hinsdale Central High School (high), rated A+. All sit in Hinsdale Township High School District 86. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 427 S Washington St, Hinsdale, IL compare to other homes in Hinsdale 60521?

Among the 6,714 homes in Hinsdale 60521, it is worth more than 65% of them ($1,573,358 against a typical $1,233,397), its price per square foot is higher than almost all of them ($1020 against a typical $428), it is bigger than 14% of them (1,542 ft² against a typical 2,861 ft²), its lot is bigger than 16% of them (0.17 ac against a typical 0.26 ac) and it is newer than 5% of them (1910 against a typical 1978). Measured against all of DuPage County, it is worth more than 98% 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 427 S Washington St, Hinsdale, IL?

The 2025 property tax bill for 427 S Washington St, Hinsdale, IL was $10,637. The county assessed it at $230,991.

More homes on S Washington St

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