Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$524,804$251 / 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 95How 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

420 WHIPPLE LN

WESTMONT, IL 60559
2.5
Baths
2,092 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.
0.2 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.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$525K
$496K low$553K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,255 (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.$157,257 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$47,959
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$109,298
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$145,744
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$471,771

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.0.20
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(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.

Foreclosure Filings(1)

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

M
Westview Hills Middle SchoolB+
Middle · Grades 6–8 · 0.8 mi
E
Holmes Elementary School
Elementary · Grades PK–2 · 2.1 mi
H
Community High School District 99 - North High SchoolB
High · Grades 9–12 · 3.0 mi

District: Maercker School District 60

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%

Owner Tools

Do you own this home?
Claim this home

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

420 Whipple Ln 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 73% of homes in Westmont 60559
  • Costs less per square foot than 70% of homes in Westmont 60559
  • Bigger than 75% of homes in Westmont 60559
  • Has a smaller lot than 65% of homes in DuPage County
  • Newer than 77% 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
$197K$1.1M

This home is worth more than 73% 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$524,804
CheaperTypical $410,346Pricier

Pricier than 73% of homes nearby

Price per ft²$251
CheaperTypical $276Pricier

Pricier than 30% of homes nearby

Living area2,092 ft²
SmallerTypical 1,467 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.2 ac
SmallerTypical 0.21 acBigger

Bigger than 49% of homes nearby

Year built1989
OlderTypical 1977Newer

Newer than 77% of homes nearby

How 420 Whipple Ln ranks against every home in each area.
MeasureThis homeWestmont 60559DuPage County
Estimated valuepricier than$524,80473% of homes63% of homes
Price per ft²pricier than$25130% of homes54% of homes
Living areabigger than2,092 ft²75% of homes60% of homes
Lot sizebigger than0.2 ac49% of homes35% of homes
Year builtnewer than198977% of homes73% of homes

About 420 Whipple Ln

How much is 420 Whipple Ln, Westmont, IL worth?

The TopHap Estimate for 420 Whipple Ln, Westmont, IL is $524,804 as of Aug 30, 2026. The likely range is $496,427 to $553,181. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 Whipple Ln, Westmont, IL last sell?

420 Whipple Ln, Westmont, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 420 Whipple Ln, Westmont, IL?

420 Whipple Ln, Westmont, IL has 2.5 bathrooms, 2,092 square feet of living space and a 0.20-acre lot.

When was 420 Whipple Ln, Westmont, IL built?

420 Whipple Ln, Westmont, IL was built in 1989, making it 37 years old. The building has 2 stories.

What schools serve 420 Whipple Ln, Westmont, IL?

420 Whipple Ln, Westmont, IL is assigned to Westview Hills Middle School (middle), rated B+; Holmes Elementary School (elementary); Community High School District 99 - North High School (high), rated B. All sit in Maercker School District 60. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 420 Whipple Ln, Westmont, IL compare to other homes in Westmont 60559?

Among the 6,971 homes in Westmont 60559, it is worth more than 73% of them ($524,804 against a typical $410,346), its price per square foot is higher than 30% of them ($251 against a typical $276), it is bigger than 75% of them (2,092 ft² against a typical 1,467 ft²), its lot is bigger than 49% of them (0.2 ac against a typical 0.21 ac) and it is newer than 77% of them (1989 against a typical 1977). Measured against all of DuPage County, it is worth more than 63% 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 420 Whipple Ln, Westmont, IL?

The 2025 property tax bill for 420 Whipple Ln, Westmont, IL was $9,255. The county assessed it at $157,257.

More homes on Whipple Ln

Closest homes

More homes in Westmont 60559

Assigned schools

Explore the area

See this home in context

Open 420 Whipple Ln on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map