Skip to content
Skip to content
TopHapOpen in map
Apartments (Generic)Residential

638 S CASS AVE

WESTMONT, IL 60559
32
Beds
0
Baths
4,092 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
4
ParkingThe number of parking spaces on the property, including the garage.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,154 (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.$158,713 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$74,638
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$84,075
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$147,092
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$476,139

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.19 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Apartments (Generic)
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.30
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.

M
Westview Hills Middle SchoolA-
Middle · Grades 6–8 · 0.8 mi
E
Holmes Elementary School
Elementary · Grades PK–2 · 1.2 mi
H
Community High School District 99 - North High SchoolA+
High · Grades 9–12 · 2.5 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

638 S Cass 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.

  • Bigger than 98% of homes in Westmont 60559
  • Has a bigger lot than 79% 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.

Living area4,092 ft²
SmallerTypical 1,450 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.3 ac
SmallerTypical 0.21 acBigger

Bigger than 79% of homes nearby

Year built1974
OlderTypical 1977Newer

Newer than 40% of homes nearby

How 638 S Cass Ave ranks against every home in each area.
MeasureThis homeWestmont 60559DuPage County
Living areabigger than4,092 ft²98% of homes95% of homes
Lot sizebigger than0.3 ac79% of homes65% of homes
Year builtnewer than197440% of homes43% of homes

About 638 S Cass Ave

When did 638 S Cass Ave, Westmont, IL last sell?

638 S Cass Ave, Westmont, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 638 S Cass Ave, Westmont, IL?

638 S Cass Ave, Westmont, IL has 32 bedrooms, 4,092 square feet of living space and a 0.30-acre lot.

When was 638 S Cass Ave, Westmont, IL built?

638 S Cass Ave, Westmont, IL was built in 1974, making it 52 years old.

What schools serve 638 S Cass Ave, Westmont, IL?

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

How does 638 S Cass Ave, Westmont, IL compare to other homes in Westmont 60559?

Among the 6,970 homes in Westmont 60559, it is bigger than 98% of them (4,092 ft² against a typical 1,450 ft²), its lot is bigger than 79% of them (0.3 ac against a typical 0.21 ac) and it is newer than 40% of them (1974 against a typical 1977). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 638 S Cass Ave, Westmont, IL?

The 2025 property tax bill for 638 S Cass Ave, Westmont, IL was $7,154. The county assessed it at $158,713.

More homes on S Cass Ave

Closest homes

More homes in Westmont 60559

Assigned schools

Explore the area

See this home in context

Open 638 S Cass Ave 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