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Single Family ResidenceResidential
$491,079$192 / 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 87How 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
Last sold for $300,000 on Nov 5, 1998

20W421 DIVERSEY AVE

ADDISON, IL 60101
2.5
Baths
2,559 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$491K
$427K low$555K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Nov 5, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,147 (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.$185,063 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$46,832
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$138,231
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$171,513
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$555,189

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.0.60
ConstructionThe main material the home's frame and walls are built from.Brick
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 90 ft²

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.

H
Addison Trail High SchoolA
High · Grades 9–12 · 0.5 mi
E
Stone Elementary SchoolB+
Elementary · Grades KG–5 · 0.7 mi
M
Indian Trail Junior High SchoolC
Middle · Grades 6–8 · 1.8 mi

District: Dupage High School District 88

Neighborhood · ZIP 60101These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.124
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.39,086
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,221 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,340
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,318
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

20w421 Diversey 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 80% of homes in Addison 60101
  • Costs less per square foot than 88% of homes in DuPage County
  • Bigger than 81% of homes in Addison 60101
  • Has a bigger lot than 86% of homes in Addison 60101
  • Newer than 82% of homes in Addison 60101

What homes are worth in Addison 60101

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

This home
$149K$777K

This home is worth more than 80% of homes in Addison 60101.

How it measures up in Addison 60101

The dot is this home. The mark in the middle is the typical home in Addison 60101.

Estimated value$491,079
CheaperTypical $378,336Pricier

Pricier than 80% of homes nearby

Price per ft²$192
CheaperTypical $214Pricier

Pricier than 23% of homes nearby

Living area2,559 ft²
SmallerTypical 1,834 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.6 ac
SmallerTypical 0.2 acBigger

Bigger than 86% of homes nearby

Year built1989
OlderTypical 1968Newer

Newer than 82% of homes nearby

How 20w421 Diversey Ave ranks against every home in each area.
MeasureThis homeAddison 60101DuPage County
Estimated valuepricier than$491,07980% of homes57% of homes
Price per ft²pricier than$19223% of homes12% of homes
Living areabigger than2,559 ft²81% of homes75% of homes
Lot sizebigger than0.6 ac86% of homes81% of homes
Year builtnewer than198982% of homes73% of homes

About 20w421 Diversey Ave

How much is 20w421 Diversey Ave, Addison, IL worth?

The TopHap Estimate for 20w421 Diversey Ave, Addison, IL is $491,079 as of Sep 24, 2026. The likely range is $427,031 to $555,127. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20w421 Diversey Ave, Addison, IL last sell?

20w421 Diversey Ave, Addison, IL last sold on Nov 5, 1998 for $300,000, according to the county's recorded deed.

How big is 20w421 Diversey Ave, Addison, IL?

20w421 Diversey Ave, Addison, IL has 2.5 bathrooms, 2,559 square feet of living space and a 0.60-acre lot.

When was 20w421 Diversey Ave, Addison, IL built?

20w421 Diversey Ave, Addison, IL was built in 1989, making it 37 years old. It is a ranch home. The building has 1 story.

What schools serve 20w421 Diversey Ave, Addison, IL?

20w421 Diversey Ave, Addison, IL is assigned to Addison Trail High School (high), rated A; Stone Elementary School (elementary), rated B+; Indian Trail Junior High School (middle), rated C. All sit in Dupage High School District 88. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20w421 Diversey Ave, Addison, IL compare to other homes in Addison 60101?

Among the 10,031 homes in Addison 60101, it is worth more than 80% of them ($491,079 against a typical $378,336), its price per square foot is higher than 23% of them ($192 against a typical $214), it is bigger than 81% of them (2,559 ft² against a typical 1,834 ft²), its lot is bigger than 86% of them (0.6 ac against a typical 0.2 ac) and it is newer than 82% of them (1989 against a typical 1968). Measured against all of DuPage County, it is worth more than 57% 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 20w421 Diversey Ave, Addison, IL?

The 2025 property tax bill for 20w421 Diversey Ave, Addison, IL was $9,147. The county assessed it at $185,063.

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