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CondominiumResidential
Last sold for $140,000 on Aug 18, 2004

230 DUANE ST

GLEN ELLYN, IL 60137
0.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 196817 units864–1,304 ft²
$3.5M
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.
$225K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$190
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-29.8%vs the Glen Ellyn ZIP median sale $/ft² ($271)

Sales Performance

$160K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
5.9%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+2.3%per yeartypical hold 7.0 yrsfrom 19 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20002004200620122015201720222026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20002004200620122015201720222026

36 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.
$137K$175K$213K$250K864 ft²952 ft²1,040 ft²1,128 ft²1,216 ft²1,304 ft²
1 bd2 bd
1 bed
6 units
2 bed
11 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 · 1.5 ba · 1,304 ft²
5 units
1 bd · 1 ba · 864 ft²
3 units
2 bd · 1.5 ba · 1,178 ft²
3 units
2 bd · 1.5 ba · 1,218 ft²
3 units
1 bd · 1 ba · 928 ft²
2 units
One-off layouts
1 unit

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.

$137K–$144K
2 units
$162K–$163K
2 units
$167K–$167K
1 unit
$188K–$188K
1 unit
$205K–$205K
1 unit
$217K–$217K
1 unit
$225K–$232K
6 units
$239K–$250K
3 units

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.59%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.0%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.14.5 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.40%
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.40%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$214,744
Median tax billThe middle annual property tax bill among the building's units.$3,132
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 3AMar 18, 2026$159,500Unit 2AOct 1, 2024$155,000Unit 1FAug 23, 2024$205,000Unit 2EMay 16, 2024$185,000Unit 3FOct 28, 2022$160,000Unit 1BSep 12, 2018$138,000Unit 3AMar 22, 2017$89,500Unit 1DMay 6, 2016$86,000Unit 1ASep 16, 2015$69,000Unit 3FJun 5, 2015$99,000

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.$3,678 (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.$61,838 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,836
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$54,002
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$57,015
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$185,514

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
Lot (acres)The size of the land the home sits on, from county records.0.61
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
HeatingThe type of heating system in the home.Central
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(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.

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

M
Hadley Junior High SchoolA+
Middle · Grades 6–8 · 0.5 mi
E
Abraham Lincoln Elementary SchoolA
Elementary · Grades KG–5 · 0.6 mi
H
Glenbard West High SchoolA
High · Grades 9–12 · 1.1 mi

District: Glen Ellyn School District 41

Neighborhood · ZIP 60137These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.121
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.56

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.40,236
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,342 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,394
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$167,260
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.

230 Duane St
2 bd · 1.5 ba · 1,304 ft²
$238K
230 Duane St # 1a
1 bd · 1 ba · 864 ft²
$137K
230 Duane St # 1b
2 bd · 1.5 ba · 1,178 ft²
$231K
230 Duane St # 1c
2 bd · 1.5 ba · 1,218 ft²
$232K
230 Duane St # 1d
1 bd · 1 ba · 928 ft²
$144K
230 Duane St # 1e
2 bd · 1.5 ba · 1,304 ft²
$250K
230 Duane St # 1f
2 bd · 1.5 ba · 1,304 ft²
$245K
230 Duane St # 2a
1 bd · 1 ba · 864 ft²
$188K
230 Duane St # 2b
2 bd · 1.5 ba · 1,178 ft²
$239K
230 Duane St # 2c
2 bd · 1.5 ba · 1,218 ft²
$232K
230 Duane St # 2d
1 bd · 1.5 ba · 928 ft²
$162K
230 Duane St # 2e
2 bd · 1.5 ba · 1,304 ft²
$225K
230 Duane St # 2f
2 bd · 1.5 ba · 1,304 ft²
$205K
230 Duane St # 3a
1 bd · 1 ba · 864 ft²
$167K
230 Duane St # 3b
2 bd · 1.5 ba · 1,178 ft²
$227K
230 Duane St # 3c
2 bd · 1.5 ba · 1,218 ft²
$232K
230 Duane St # 3d
1 bd · 1 ba · 928 ft²
$163K
230 Duane St # 3f
2 bd · 1.5 ba · 1,304 ft²
$217K

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

About 230 Duane St

How many units are in 230 Duane St, Glen Ellyn, IL?

230 Duane St, Glen Ellyn, IL has 17 residential units across built in 1968, according to county assessor records.

What is a unit at 230 Duane St, Glen Ellyn, IL worth?

The median TopHap Estimate across the 17 units at 230 Duane St, Glen Ellyn, IL is $224,986. That works out to $190 per square foot. Units run from 864 to 1,304 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 230 Duane St, Glen Ellyn, IL expensive for Glen Ellyn?

Units at 230 Duane St, Glen Ellyn, IL carry a median of $190 per square foot, 30% below the Glen Ellyn median of $271 per square foot.

How often do units sell at 230 Duane St, Glen Ellyn, IL?

1 units at 230 Duane St, Glen Ellyn, IL sold in the last 12 months, out of 36 recorded arms-length sales all time. That is a turnover rate of 5.9% of the building per year. The median sale over that period was $160K.

Have units at 230 Duane St, Glen Ellyn, IL appreciated?

Across 19 repeat sales of the same unit, 230 Duane St, Glen Ellyn, IL returned a median 2.3% 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 7.0 years.

What floor plans does 230 Duane St, Glen Ellyn, IL have?

The most common plan at 230 Duane St, Glen Ellyn, IL is a 2-bedroom of 1,304 square feet, repeated 5 times, with a median estimate of $224,986. TopHap identifies 5 recurring plans in the building.

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