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CondominiumResidential

511 N Cass Ave

WESTMONT, IL 60559
0.7 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
Built 200012 units1,400–1,400 ft²
$4M
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.
$338K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$241
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-14.1%vs the Westmont ZIP median sale $/ft² ($281)

Sales Performance

$335K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+2.4%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
8.3%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+1.4%per yeartypical hold 5.1 yrsfrom 14 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20022005200820112016202020232026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20022005200820112016202020232026

25 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.
$277K$305K$333K$361K1,400 ft²1,400 ft²1,400 ft²1,400 ft²1,400 ft²1,400 ft²
2 bd
2 bed
12 units
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 ba · 1,400 ft²
12 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.

$277K–$277K
1 unit
$320K–$320K
1 unit
$334K–$339K
5 units
$345K–$348K
4 units
$361K–$361K
1 unit

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.50%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.33%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.7.3 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.67%
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.21%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$375,175
Median tax billThe middle annual property tax bill among the building's units.$5,652
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 2CJul 31, 2026$335,000Unit 4CMar 20, 2025$370,000Unit 3AFeb 24, 2025$284,000Unit 2ASep 27, 2023$295,000Unit 4DMar 16, 2022$285,000Unit 2DDec 14, 2021$265,000Unit 4DDec 17, 2020$264,667Unit 2CSep 8, 2020$241,000Unit 4CJun 29, 2018$230,000Unit 4DDec 20, 2016$257,500

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.70
HeatingThe type of heating system in the home.Yes
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

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

E
C E Miller Elementary School
Elementary · Grades KG–1 · 0.3 mi
M
Westmont Jr High SchoolA
Middle · Grades 6–8 · 0.9 mi
H
Westmont High SchoolA
High · Grades 9–12 · 1.0 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.

511 N Cass Ave # 2a
2 bd · 2 ba · 1,400 ft²
$320K
511 N Cass Ave # 2b
2 bd · 2 ba · 1,400 ft²
$348K
511 N Cass Ave # 2c
2 bd · 2 ba · 1,400 ft²
$334K
511 N Cass Ave # 2d
2 bd · 2 ba · 1,400 ft²
$339K
511 N Cass Ave # 3a
2 bd · 2 ba · 1,400 ft²
$277K
511 N Cass Ave # 3b
2 bd · 2 ba · 1,400 ft²
$337K
511 N Cass Ave # 3c
2 bd · 2 ba · 1,400 ft²
$337K
511 N Cass Ave # 3d
2 bd · 2 ba · 1,400 ft²
$337K
511 N Cass Ave # 4a
2 bd · 2 ba · 1,400 ft²
$346K
511 N Cass Ave # 4b
2 bd · 2 ba · 1,400 ft²
$345K
511 N Cass Ave # 4c
2 bd · 2 ba · 1,400 ft²
$361K
511 N Cass Ave # 4d
2 bd · 2 ba · 1,400 ft²
$347K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 511 N Cass Ave

How many units are in 511 N Cass Ave, Westmont, IL?

511 N Cass Ave, Westmont, IL has 12 residential units across built in 2000, according to county assessor records.

What is a unit at 511 N Cass Ave, Westmont, IL worth?

The median TopHap Estimate across the 12 units at 511 N Cass Ave, Westmont, IL is $338,039. That works out to $241 per square foot. Units run from 1,400 to 1,400 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 511 N Cass Ave, Westmont, IL expensive for Westmont?

Units at 511 N Cass Ave, Westmont, IL carry a median of $241 per square foot, 14% below the Westmont median of $281 per square foot.

How often do units sell at 511 N Cass Ave, Westmont, IL?

1 units at 511 N Cass Ave, Westmont, IL sold in the last 12 months, out of 25 recorded arms-length sales all time. That is a turnover rate of 8.3% of the building per year. The median sale over that period was $335K.

Have units at 511 N Cass Ave, Westmont, IL appreciated?

Across 14 repeat sales of the same unit, 511 N Cass Ave, Westmont, IL returned a median 1.4% 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 5.1 years.

What floor plans does 511 N Cass Ave, Westmont, IL have?

The most common plan at 511 N Cass Ave, Westmont, IL is a 2-bedroom of 1,400 square feet, repeated 12 times, with a median estimate of $338,039. TopHap identifies 1 recurring plans in the building.

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