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Single Family ResidenceResidential
$655,545$546 / 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 88How 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
Last sold for $645,000 on May 12, 2026

840 S PROSPECT AVE

ELMHURST, IL 60126
0
Baths
1,200 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
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

$656K
$579K low$732K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$645,000 · May 12, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,776 (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.$180,429 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$104,882
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$75,547
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$167,281
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$541,287

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.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Brick
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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
Jackson Elementary SchoolA
Elementary · Grades KG–5 · 0.2 mi
M
Bryan Middle SchoolA
Middle · Grades 6–8 · 0.3 mi
H
York Community High SchoolA+
High · Grades 9–12 · 1.4 mi

District: Elmhurst School District 205

Neighborhood · ZIP 60126These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.127
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.47

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.48,900
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,300 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,544
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$185,150
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

840 S Prospect Ave 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 78% of homes in DuPage County
  • Among the highest price per square foot in DuPage County
  • Smaller than 83% of homes in Elmhurst 60126
  • Has a smaller lot than 72% of homes in DuPage County
  • Older than 79% of homes in DuPage County

What homes are worth in Elmhurst 60126

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

This home
$219K$1.9M

This home is worth more than 53% of homes in Elmhurst 60126.

How it measures up in Elmhurst 60126

The dot is this home. The mark in the middle is the typical home in Elmhurst 60126.

Estimated value$655,545
CheaperTypical $631,746Pricier

Pricier than 53% of homes nearby

Price per ft²$546
CheaperTypical $365Pricier

Pricier than 97% of homes nearby

Living area1,200 ft²
SmallerTypical 1,821 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.19 ac
SmallerTypical 0.19 acBigger

Bigger than 46% of homes nearby

Year built1960
OlderTypical 1959Newer

Newer than 52% of homes nearby

How 840 S Prospect Ave ranks against every home in each area.
MeasureThis homeElmhurst 60126DuPage County
Estimated valuepricier than$655,54553% of homes78% of homes
Price per ft²pricier than$54697% of homesalmost all homes
Living areabigger than1,200 ft²17% of homes19% of homes
Lot sizebigger than0.19 ac46% of homes28% of homes
Year builtnewer than196052% of homes21% of homes

About 840 S Prospect Ave

How much is 840 S Prospect Ave, Elmhurst, IL worth?

The TopHap Estimate for 840 S Prospect Ave, Elmhurst, IL is $655,545 as of Aug 30, 2026. The likely range is $578,661 to $732,430. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 840 S Prospect Ave, Elmhurst, IL last sell?

840 S Prospect Ave, Elmhurst, IL last sold on May 12, 2026 for $645,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 840 S Prospect Ave, Elmhurst, IL?

840 S Prospect Ave, Elmhurst, IL has 1,200 square feet of living space and a 0.19-acre lot.

When was 840 S Prospect Ave, Elmhurst, IL built?

840 S Prospect Ave, Elmhurst, IL was built in 1960, making it 66 years old. It is a ranch home. The building has 1 story.

What schools serve 840 S Prospect Ave, Elmhurst, IL?

840 S Prospect Ave, Elmhurst, IL is assigned to Jackson Elementary School (elementary), rated A; Bryan Middle School (middle), rated A; York Community High School (high), rated A+. All sit in Elmhurst School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 840 S Prospect Ave, Elmhurst, IL compare to other homes in Elmhurst 60126?

Among the 15,196 homes in Elmhurst 60126, it is worth more than 53% of them ($655,545 against a typical $631,746), its price per square foot is higher than 97% of them ($546 against a typical $365), it is bigger than 17% of them (1,200 ft² against a typical 1,821 ft²), its lot is bigger than 46% of them (0.19 ac against a typical 0.19 ac) and it is newer than 52% of them (1960 against a typical 1959). Measured against all of DuPage County, it is worth more than 78% 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 840 S Prospect Ave, Elmhurst, IL?

The 2025 property tax bill for 840 S Prospect Ave, Elmhurst, IL was $2,776. The county assessed it at $180,429.

More homes on S Prospect Ave

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