CondominiumResidential
3525 CASS CT
WESTMONT, IL 60559
6.42 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
Built 19916 floors36 units1,660–2,850 ft²
$15M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$419K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$201
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-28.4%vs the Westmont ZIP median sale $/ft² ($281)
Sales Performance
$463K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+2.8%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
2
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
5.6%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.5%per yeartypical hold 8.9 yrsfrom 35 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19972000200420102013201720222026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19972000200420102013201720222026
66 arms-length sales on record for this building.
Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
Studio2 bd3 bd
Studio
20 units$407K · $200/ft²
2 bed
14 units$435K · $202/ft²
3 bed
2 units$515K · $224/ft²
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
2 bd · 2.5 ba · 2,300 ft²
8 units$446K · $194/ft²
Studio · 0 ba · 2,300 ft²
5 units$429K · $187/ft²
Studio · 0 ba · 1,687 ft²
4 units$349K · $207/ft²
Studio · 0 ba · 2,103 ft²
3 units$407K · $194/ft²
Studio · 0 ba · 1,660 ft²
2 units$347K · $209/ft²
2 bd · 0 ba · 1,687 ft²
2 units$360K · $213/ft²
Studio · 0 ba · 1,848 ft²
2 units$384K · $208/ft²
Studio · 0 ba · 2,200 ft²
2 units$413K · $188/ft²
3 bd · 2.5 ba · 2,300 ft²
2 units$515K · $224/ft²
One-off layouts
6 units
Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.
$344K–$370K
12 units
$383K–$397K
2 units
$407K–$434K
11 units
$437K–$463K
6 units
$479K–$488K
2 units
$499K–$499K
1 unit
$542K–$542K
1 unit
$589K–$589K
1 unit
Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.
Floor 2
$210/ft²1 unit · +4%
Floor 3
$209/ft²7 units · +4%
Floor 4
$198/ft²9 units · -2%
Floor 5
$207/ft²11 units · +3%
Floor 6
$188/ft²5 units · -6%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.69%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.28%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.13.0 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.64%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.31%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$447,068
Median tax billThe middle annual property tax bill among the building's units.$6,925
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Unit 515May 6, 2026$585,000$254/ft²Unit 302Oct 27, 2025$340,000$205/ft²Unit 409Sep 15, 2025$450,000$196/ft²Unit 612Sep 11, 2025$450,000$196/ft²Unit 513Aug 25, 2025$525,500$228/ft²Unit 303Mar 13, 2025$380,000$206/ft²Unit 408Aug 30, 2023$501,000$218/ft²Unit T3SJul 20, 2023$330,000$157/ft²Unit 411Apr 18, 2023$350,000$152/ft²Unit 508Feb 28, 2022$330,000$143/ft²
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,348 (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.$125,271 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,527
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$112,744
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$116,142
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$375,813
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.60 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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyDUPAGE
ConstructionThe main material the home's frame and walls are built from.Brick
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.
MHE
Westmont Jr High SchoolA
Middle · Grades 6–8 · 0.7 mi
Westmont High SchoolA
High · Grades 9–12 · 0.9 mi
C E Miller Elementary School
Elementary · Grades KG–1 · 1.1 mi
District: Westmont Community Unit School District 201
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%
All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.
3525 Cass Ct
2,200 ft²
3525 Cass Ct # T2s
2,103 ft²
3525 Cass Ct # T3s
2,103 ft²
3525 Cass Ct # T4s
2,103 ft²
3525 Cass Ct # 201
2 bd · 1,680 ft²
3525 Cass Ct # 302
1,660 ft²
3525 Cass Ct # 303
1,848 ft²
3525 Cass Ct # 305
2 bd · 1,687 ft²
3525 Cass Ct # 306
1,687 ft²
3525 Cass Ct # 307
2 bd · 1,687 ft²
3525 Cass Ct # 308
2 bd · 2,300 ft²
3525 Cass Ct # 311
2 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 400
2 bd · 2 ba · 1,890 ft²
3525 Cass Ct # 401
1,680 ft²
3525 Cass Ct # 404
1,687 ft²
3525 Cass Ct # 408
3 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 409
2 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 410
2,300 ft²
3525 Cass Ct # 411
2 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 413
2 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 414
2,300 ft²
3525 Cass Ct # 502
1,660 ft²
3525 Cass Ct # 503
1,848 ft²
3525 Cass Ct # 505
1,687 ft²
3525 Cass Ct # 506
1,687 ft²
3525 Cass Ct # 507
2 bd · 2 ba · 1,687 ft²
3525 Cass Ct # 508
2,300 ft²
3525 Cass Ct # 510
2 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 511
2 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 512
2,300 ft²
3525 Cass Ct # 513
3 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 515
2 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 612
2,300 ft²
3525 Cass Ct # 615
2 bd · 2.5 ba · 2,300 ft²
3525 Cass Ct # 616
2,200 ft²
3525 Cass Ct # 617
2,200 ft²
3525 Cass Ct # 618
2,850 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 3525 Cass Ct
How many units are in 3525 Cass Ct, Westmont, IL?
3525 Cass Ct, Westmont, IL has 36 residential units across 6 floors, built in 1991, according to county assessor records.
What is a unit at 3525 Cass Ct, Westmont, IL worth?
The median TopHap Estimate across the 36 units at 3525 Cass Ct, Westmont, IL is $418,581. That works out to $201 per square foot. Units run from 1,660 to 2,850 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 3525 Cass Ct, Westmont, IL expensive for Westmont?
Units at 3525 Cass Ct, Westmont, IL carry a median of $201 per square foot, 28% below the Westmont median of $281 per square foot.
How often do units sell at 3525 Cass Ct, Westmont, IL?
2 units at 3525 Cass Ct, Westmont, IL sold in the last 12 months, out of 66 recorded arms-length sales all time. That is a turnover rate of 5.6% of the building per year. The median sale over that period was $463K.
Have units at 3525 Cass Ct, Westmont, IL appreciated?
Across 35 repeat sales of the same unit, 3525 Cass Ct, Westmont, IL returned a median 3.5% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 8.9 years.
What floor plans does 3525 Cass Ct, Westmont, IL have?
The most common plan at 3525 Cass Ct, Westmont, IL is a 2-bedroom of 2,300 square feet, repeated 8 times, with a median estimate of $446,225. TopHap identifies 9 recurring plans in the building.
More homes on Cass Ct
- 3525 Cass Ct # 515$589K2 bd · 2.5 ba · 2,300 ft² · Sold $585K · May 2026
- 3525 Cass Ct # 302$349K1,660 ft² · Sold $340K · Oct 2025
- 3525 Cass Ct # 409$463K2 bd · 2.5 ba · 2,300 ft² · Sold $450K · Sep 2025
- 3525 Cass Ct # 612$463K2,300 ft² · Sold $450K · Sep 2025
- 3525 Cass Ct # 513$542K3 bd · 2.5 ba · 2,300 ft² · Sold $526K · Aug 2025
- 3525 Cass Ct # 408$488K3 bd · 2.5 ba · 2,300 ft² · Sold $501K · Aug 2023
- 3525 Cass Ct # T3s$407K2,103 ft² · Sold $330K · Jul 2023
- 3525 Cass Ct # 411$433K2 bd · 2.5 ba · 2,300 ft² · Sold $350K · Apr 2023
- 3525 Cass Ct # 508$426K2,300 ft² · Sold $330K · Feb 2022
- 3525 Cass Ct # 414$434K2,300 ft² · Sold $336K · Nov 2021
- 3525 Cass Ct # T4s$421K2,103 ft² · Sold $315K · Jul 2021
- 3525 Cass Ct # 505$344K1,687 ft² · Sold $294K · Jul 2020
Closest homes
- 3525 S Cass Ct$427K0 ft · 2 bd · 2.5 ba · 2,300 ft² · Sold $400K · Jul 2024
- 3525 S Cass Ct$434K0 ft · 2 bd · 2,103 ft² · Sold $395K · Dec 2023
- 3525 Cass Ct$348K0 ft · 1,680 ft² · Sold $262K · May 2016
- 3525 S Cass Ct$353K0 ft · 1,687 ft² · Sold $210K · Sep 1996
- 3525 Cass Ct$370K0 ft · 1,848 ft² · Sold $312K · Nov 2017
- 3525 Cass Ct$349K0 ft · 1,687 ft² · Sold $256K · Nov 1996
- 3525 Cass Ct$347K0 ft · 2 bd · 2 ba · 1,687 ft² · Sold $165K · Apr 2013
- 3525 Cass Ct$463K0 ft · 2,300 ft² · Sold $450K · Sep 2025
More homes in Westmont 60559
- 129 Heath Pl$609K2.5 ba · 1,968 ft² · Sold $609K · Sep 2026
- 124 White Birch Ln$350K2 bd · 2 ba · 1,188 ft² · Sold $365K · Sep 2026
- 4115 Liberty Blvd$350K2 bd · 1.5 ba · 1,528 ft² · Sold $355K · Sep 2026
- 902 Ashley Ct$395K2 bd · 1.5 ba · 1,274 ft² · Sold $356K · Aug 2026
- 912 Indian Boundary Dr$440K1,806 ft² · Sold $440K · Aug 2026
- 108 E Burlington Ave$380K3 bd · 2 ba · 976 ft² · Sold $379K · Aug 2026
- 1205 Ridge Rd$1.1M3.5 ba · 3,457 ft² · Sold $1.1M · Aug 2026
- 3904 N Adams St$470K1 ba · 1,018 ft² · Sold $470K · Aug 2026
- 724 Fairfield Ct$1.2M2.5 ba · 3,156 ft² · Sold $1.2M · Aug 2026
- 23 W Naperville Rd$305K1 ba · 908 ft² · Sold $305K · Aug 2026
- 32 S Grant St$284K1 ba · 788 ft² · Sold $284K · Aug 2026
- 35 S Wilmette Ave$981K6 bd · 4 ba · 3,072 ft² · Sold $975K · Aug 2026
Assigned schools
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