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Single Family ResidenceResidential
$1,138,276$413 / 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 96How 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

21 E WALNUT ST

HINSDALE, IL 60521
2.5
Baths
2,758 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.
1943
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1.1M low$1.2M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,532 (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.$301,721 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$96,763
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$204,958
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$279,630
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$905,163

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDUPAGE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1992
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)
CoolingThe type of cooling or air conditioning in the home.Central
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(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
Monroe Elementary SchoolA+
Elementary · Grades KG–5 · 0.5 mi
H
Hinsdale Central High SchoolA+
High · Grades 9–12 · 1.3 mi
M
Clarendon Hills Middle SchoolA+
Middle · Grades 6–8 · 1.6 mi

District: Hinsdale Community Consolidated School District 181

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

21 E Walnut 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 95% of homes in DuPage County
  • Costs more per square foot than 95% of homes in DuPage County
  • Bigger than 79% of homes in DuPage County
  • Has a smaller lot than 84% of homes in Hinsdale 60521
  • Older than 93% of 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 44% 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$1,138,276
CheaperTypical $1,233,397Pricier

Pricier than 44% of homes nearby

Price per ft²$413
CheaperTypical $428Pricier

Pricier than 44% of homes nearby

Living area2,758 ft²
SmallerTypical 2,861 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.17 ac
SmallerTypical 0.26 acBigger

Bigger than 16% of homes nearby

Year built1943
OlderTypical 1978Newer

Newer than 16% of homes nearby

How 21 E Walnut St ranks against every home in each area.
MeasureThis homeHinsdale 60521DuPage County
Estimated valuepricier than$1,138,27644% of homes95% of homes
Price per ft²pricier than$41344% of homes95% of homes
Living areabigger than2,758 ft²47% of homes79% of homes
Lot sizebigger than0.17 ac16% of homes18% of homes
Year builtnewer than194316% of homes7% of homes

About 21 E Walnut St

How much is 21 E Walnut St, Hinsdale, IL worth?

The TopHap Estimate for 21 E Walnut St, Hinsdale, IL is $1,138,276 as of Sep 24, 2026. The likely range is $1,095,158 to $1,181,394. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 E Walnut St, Hinsdale, IL last sell?

21 E Walnut St, Hinsdale, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 E Walnut St, Hinsdale, IL?

21 E Walnut St, Hinsdale, IL has 2.5 bathrooms, 2,758 square feet of living space and a 0.17-acre lot.

When was 21 E Walnut St, Hinsdale, IL built?

21 E Walnut St, Hinsdale, IL was built in 1943, making it 83 years old. The building has 2 stories.

What schools serve 21 E Walnut St, Hinsdale, IL?

21 E Walnut St, Hinsdale, IL is assigned to Monroe Elementary School (elementary), rated A+; Hinsdale Central High School (high), rated A+; Clarendon Hills Middle School (middle), rated A+. All sit in Hinsdale Community Consolidated School District 181. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 E Walnut St, Hinsdale, IL compare to other homes in Hinsdale 60521?

Among the 6,714 homes in Hinsdale 60521, it is worth more than 44% of them ($1,138,276 against a typical $1,233,397), its price per square foot is higher than 44% of them ($413 against a typical $428), it is bigger than 47% of them (2,758 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 16% of them (1943 against a typical 1978). Measured against all of DuPage County, it is worth more than 95% 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 E Walnut St, Hinsdale, IL?

The 2025 property tax bill for 21 E Walnut St, Hinsdale, IL was $14,532. The county assessed it at $301,721.

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