Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$452,296$291 / 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 90How 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 $143,000 on Oct 25, 1993

401 W 55TH ST

WESTMONT, IL 60559
2
Baths
1,555 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.
0.42 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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$452K
$409K low$496K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$143,000 · Oct 25, 1993

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,236 (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.$154,405 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$72,373
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$82,032
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$143,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$463,215

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.10 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.Single Family Residence
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.42
CoolingThe type of cooling or air conditioning in the home.Central
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
O'Neill Middle SchoolA-
Middle · Grades 7–8 · 1.0 mi
E
Fairmount Elementary SchoolA+
Elementary · Grades KG–6 · 1.0 mi
H
Community High School District 99 - North High SchoolA+
High · Grades 9–12 · 1.9 mi

District: Downers Grove Grade School District 58

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

401 W 55th 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.

  • Costs more per square foot than 74% of homes in DuPage County
  • Has a bigger lot than 86% of homes in Westmont 60559
  • Older than 79% of homes in DuPage County

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
$200K$1.1M

This home is worth more than 57% 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$452,296
CheaperTypical $421,884Pricier

Pricier than 57% of homes nearby

Price per ft²$291
CheaperTypical $280Pricier

Pricier than 58% of homes nearby

Living area1,555 ft²
SmallerTypical 1,452 ft²Bigger

Bigger than 53% of homes nearby

Lot size0.42 ac
SmallerTypical 0.21 acBigger

Bigger than 86% of homes nearby

Year built1960
OlderTypical 1977Newer

Newer than 26% of homes nearby

How 401 W 55th St ranks against every home in each area.
MeasureThis homeWestmont 60559DuPage County
Estimated valuepricier than$452,29657% of homes50% of homes
Price per ft²pricier than$29158% of homes74% of homes
Living areabigger than1,555 ft²53% of homes36% of homes
Lot sizebigger than0.42 ac86% of homes74% of homes
Year builtnewer than196026% of homes21% of homes

About 401 W 55th St

How much is 401 W 55th St, Westmont, IL worth?

The TopHap Estimate for 401 W 55th St, Westmont, IL is $452,296 as of Sep 24, 2026. The likely range is $408,905 to $495,687. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 401 W 55th St, Westmont, IL last sell?

401 W 55th St, Westmont, IL last sold on Oct 25, 1993 for $143,000, according to the county's recorded deed.

How big is 401 W 55th St, Westmont, IL?

401 W 55th St, Westmont, IL has 2 bathrooms, 1,555 square feet of living space and a 0.42-acre lot.

When was 401 W 55th St, Westmont, IL built?

401 W 55th St, Westmont, IL was built in 1960, making it 66 years old. The building has 1 story.

What schools serve 401 W 55th St, Westmont, IL?

401 W 55th St, Westmont, IL is assigned to O'Neill Middle School (middle), rated A-; Fairmount Elementary School (elementary), rated A+; Community High School District 99 - North High School (high), rated A+. All sit in Downers Grove Grade School District 58. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 401 W 55th St, Westmont, IL compare to other homes in Westmont 60559?

Among the 6,970 homes in Westmont 60559, it is worth more than 57% of them ($452,296 against a typical $421,884), its price per square foot is higher than 58% of them ($291 against a typical $280), it is bigger than 53% of them (1,555 ft² against a typical 1,452 ft²), its lot is bigger than 86% of them (0.42 ac against a typical 0.21 ac) and it is newer than 26% of them (1960 against a typical 1977). Measured against all of DuPage County, it is worth more than 50% 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 401 W 55th St, Westmont, IL?

The 2025 property tax bill for 401 W 55th St, Westmont, IL was $8,236. The county assessed it at $154,405.

More homes on W 55th St

Closest homes

More homes in Westmont 60559

Assigned schools

Explore the area

See this home in context

Open 401 W 55th St 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