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CondominiumResidential

527 Cumnor Rd

WESTMONT, IL 60559
3.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
Built 19833 floors24 units1,020–1,030 ft²
$6.6M
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.
$278K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$272
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-2.4%vs the Westmont ZIP median sale $/ft² ($279)

Sales Performance

$266K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
2
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
8.3%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.6%per yeartypical hold 5.5 yrsfrom 33 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19972001200620102015201820222026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19972001200620102015201820222026

60 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.
$236K$257K$278K$299K1,020 ft²1,022 ft²1,024 ft²1,026 ft²1,028 ft²1,030 ft²
2 bd
2 bed
24 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 · 1,020 ft²
12 units
2 bd · 2 ba · 1,025 ft²
9 units
2 bd · 2 ba · 1,030 ft²
3 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.

$236K–$236K
1 unit
$249K–$249K
1 unit
$264K–$266K
2 units
$268K–$275K
7 units
$277K–$282K
6 units
$283K–$286K
2 units
$293K–$299K
5 units

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 1
$261/ft²
Floor 2
$273/ft²
Floor 3
$277/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·08
$284/ft²
Line ·02
$275/ft²
Line ·03
$273/ft²
Line ·04
$272/ft²
Line ·06
$271/ft²
Line ·05
$266/ft²
Line ·01
$265/ft²
Line ·07
$257/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.75%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.8%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.9.3 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.14%
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.50%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$262,825
Median tax billThe middle annual property tax bill among the building's units.$4,224
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 208Aug 6, 2026$296,000Unit 107Nov 13, 2025$235,000Unit 105WAug 15, 2024$230,000Unit 207WApr 17, 2024$260,000Unit 104Sep 14, 2022$232,000Unit 202Jun 23, 2022$219,000Unit 304Dec 23, 2021$205,000Unit 102Feb 3, 2021$180,000Unit 201Dec 21, 2020$190,000Unit 204Sep 22, 2020$158,500

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

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.7 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
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
Lester Elementary SchoolA+
Elementary · Grades KG–6 · 0.4 mi
H
Community High School District 99 - North High SchoolA+
High · Grades 9–12 · 1.2 mi
M
Herrick Middle SchoolA
Middle · Grades 7–8 · 1.4 mi

District: Community High School District 99

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.

527 Cumnor Rd # 101
2 bd · 2 ba · 1,020 ft²
$272K
527 Cumnor Rd # 102
2 bd · 2 ba · 1,025 ft²
$283K
527 Cumnor Rd # 103
2 bd · 2 ba · 1,020 ft²
$277K
527 Cumnor Rd # 104
2 bd · 2 ba · 1,025 ft²
$274K
527 Cumnor Rd # 105w
2 bd · 2 ba · 1,030 ft²
$249K
527 Cumnor Rd # 106
2 bd · 2 ba · 1,020 ft²
$264K
527 Cumnor Rd # 107
2 bd · 2 ba · 1,025 ft²
$236K
527 Cumnor Rd # 108
2 bd · 2 ba · 1,020 ft²
$280K
527 Cumnor Rd # 201
2 bd · 2 ba · 1,020 ft²
$275K
527 Cumnor Rd # 202
2 bd · 2 ba · 1,025 ft²
$293K
527 Cumnor Rd # 203
2 bd · 2 ba · 1,020 ft²
$278K
527 Cumnor Rd # 204
2 bd · 2 ba · 1,025 ft²
$268K
527 Cumnor Rd # 205
2 bd · 2 ba · 1,030 ft²
$275K
527 Cumnor Rd # 206
2 bd · 2 ba · 1,020 ft²
$279K
527 Cumnor Rd # 207w
2 bd · 2 ba · 1,025 ft²
$273K
527 Cumnor Rd # 208
2 bd · 2 ba · 1,020 ft²
$296K
527 Cumnor Rd # 301
2 bd · 2 ba · 1,020 ft²
$266K
527 Cumnor Rd # 302
2 bd · 2 ba · 1,025 ft²
$270K
527 Cumnor Rd # 303
2 bd · 2 ba · 1,020 ft²
$279K
527 Cumnor Rd # 304
2 bd · 2 ba · 1,025 ft²
$295K
527 Cumnor Rd # 305
2 bd · 2 ba · 1,030 ft²
$299K
527 Cumnor Rd # 306
2 bd · 2 ba · 1,020 ft²
$286K
527 Cumnor Rd # 307
2 bd · 2 ba · 1,025 ft²
$282K
527 Cumnor Rd # 308
2 bd · 2 ba · 1,020 ft²
$293K

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

About 527 Cumnor Rd

How many units are in 527 Cumnor Rd, Westmont, IL?

527 Cumnor Rd, Westmont, IL has 24 residential units across 3 floors, built in 1983, according to county assessor records.

What is a unit at 527 Cumnor Rd, Westmont, IL worth?

The median TopHap Estimate across the 24 units at 527 Cumnor Rd, Westmont, IL is $277,655. That works out to $272 per square foot. Units run from 1,020 to 1,030 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 527 Cumnor Rd, Westmont, IL expensive for Westmont?

Units at 527 Cumnor Rd, Westmont, IL carry a median of $272 per square foot, 2% below the Westmont median of $279 per square foot.

How often do units sell at 527 Cumnor Rd, Westmont, IL?

2 units at 527 Cumnor Rd, Westmont, IL sold in the last 12 months, out of 60 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 $266K.

Have units at 527 Cumnor Rd, Westmont, IL appreciated?

Across 33 repeat sales of the same unit, 527 Cumnor Rd, Westmont, IL returned a median 3.6% 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 5.5 years.

What floor plans does 527 Cumnor Rd, Westmont, IL have?

The most common plan at 527 Cumnor Rd, Westmont, IL is a 2-bedroom of 1,020 square feet, repeated 12 times, with a median estimate of $278,570. TopHap identifies 3 recurring plans in the building.

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