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Single Family ResidenceResidential
$553,715$315 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

266 CUMNOR AVE

GLEN ELLYN, IL 60137
2
Baths
1,758 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$554K
$515K low$592K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,838 (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.$174,637 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,539
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$123,098
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$161,015
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$523,911

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.31
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 72 ft²

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

E
Benjamin Franklin Elementary SchoolA
Elementary · Grades KG–5 · 0.4 mi
H
Glenbard West High SchoolB+
High · Grades 9–12 · 1.0 mi
M
Hadley Junior High SchoolA+
Middle · Grades 6–8 · 2.0 mi

District: Glenbard Township High School District 87

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%

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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

266 Cumnor Ave 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.

  • Worth more than 67% of homes in DuPage County
  • Costs more per square foot than 82% of homes in Glen Ellyn 60137
  • Smaller than 73% of homes in Glen Ellyn 60137
  • Has a bigger lot than 66% of homes in DuPage County
  • Older than 88% of homes in DuPage County

What homes are worth in Glen Ellyn 60137

Each bar is how many homes fall in that price range. The marker is this home.

This home
$176K$1.7M

This home is worth more than 49% of homes in Glen Ellyn 60137.

How it measures up in Glen Ellyn 60137

The dot is this home. The mark in the middle is the typical home in Glen Ellyn 60137.

Estimated value$553,715
CheaperTypical $563,276Pricier

Pricier than 49% of homes nearby

Price per ft²$315
CheaperTypical $245Pricier

Pricier than 82% of homes nearby

Living area1,758 ft²
SmallerTypical 2,340 ft²Bigger

Bigger than 27% of homes nearby

Lot size0.31 ac
SmallerTypical 0.27 acBigger

Bigger than 60% of homes nearby

Year built1953
OlderTypical 1968Newer

Newer than 21% of homes nearby

How 266 Cumnor Ave ranks against every home in each area.
MeasureThis homeGlen Ellyn 60137DuPage County
Estimated valuepricier than$553,71549% of homes67% of homes
Price per ft²pricier than$31582% of homes82% of homes
Living areabigger than1,758 ft²27% of homes47% of homes
Lot sizebigger than0.31 ac60% of homes66% of homes
Year builtnewer than195321% of homes12% of homes

About 266 Cumnor Ave

How much is 266 Cumnor Ave, Glen Ellyn, IL worth?

The TopHap Estimate for 266 Cumnor Ave, Glen Ellyn, IL is $553,715 as of Aug 30, 2026. The likely range is $515,415 to $592,015. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 266 Cumnor Ave, Glen Ellyn, IL last sell?

266 Cumnor Ave, Glen Ellyn, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 266 Cumnor Ave, Glen Ellyn, IL?

266 Cumnor Ave, Glen Ellyn, IL has 2 bathrooms, 1,758 square feet of living space and a 0.31-acre lot.

When was 266 Cumnor Ave, Glen Ellyn, IL built?

266 Cumnor Ave, Glen Ellyn, IL was built in 1953, making it 73 years old. It is a ranch home. The building has 1 story.

What schools serve 266 Cumnor Ave, Glen Ellyn, IL?

266 Cumnor Ave, Glen Ellyn, IL is assigned to Benjamin Franklin Elementary School (elementary), rated A; Glenbard West High School (high), rated B+; Hadley Junior High School (middle), rated A+. All sit in Glenbard Township High School District 87. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 266 Cumnor Ave, Glen Ellyn, IL compare to other homes in Glen Ellyn 60137?

Among the 13,332 homes in Glen Ellyn 60137, it is worth more than 49% of them ($553,715 against a typical $563,276), its price per square foot is higher than 82% of them ($315 against a typical $245), it is bigger than 27% of them (1,758 ft² against a typical 2,340 ft²), its lot is bigger than 60% of them (0.31 ac against a typical 0.27 ac) and it is newer than 21% of them (1953 against a typical 1968). Measured against all of DuPage County, it is worth more than 67% 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 266 Cumnor Ave, Glen Ellyn, IL?

The 2025 property tax bill for 266 Cumnor Ave, Glen Ellyn, IL was $10,838. The county assessed it at $174,637.

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