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Single Family ResidenceResidential
$703,879$335 / 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 94How 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

306 COTTAGE AVE

GLEN ELLYN, IL 60137
3
Beds
2.5
Baths
2,104 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1916
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$704K
$661K low$747K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,504 (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.$213,662 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$54,284
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$159,378
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$196,996
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$640,986

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.37
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.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 324 ft²

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.

M
Hadley Junior High SchoolA+
Middle · Grades 6–8 · 0.2 mi
E
Churchill Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi
H
Glenbard West High SchoolB+
High · Grades 9–12 · 0.9 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

306 Cottage 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 81% of homes in DuPage County
  • Costs more per square foot than 86% of homes in Glen Ellyn 60137
  • Has a bigger lot than 71% of homes in DuPage County
  • Among the oldest 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
$178K$1.7M

This home is worth more than 67% 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$703,879
CheaperTypical $559,796Pricier

Pricier than 67% of homes nearby

Price per ft²$335
CheaperTypical $245Pricier

Pricier than 86% of homes nearby

Living area2,104 ft²
SmallerTypical 2,336 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.37 ac
SmallerTypical 0.27 acBigger

Bigger than 65% of homes nearby

Year built1916
OlderTypical 1968Newer

Newer than 4% of homes nearby

How 306 Cottage Ave ranks against every home in each area.
MeasureThis homeGlen Ellyn 60137DuPage County
Estimated valuepricier than$703,87967% of homes81% of homes
Price per ft²pricier than$33586% of homes86% of homes
Living areabigger than2,104 ft²42% of homes60% of homes
Lot sizebigger than0.37 ac65% of homes71% of homes
Year builtnewer than19164% of homesalmost no homes

About 306 Cottage Ave

How much is 306 Cottage Ave, Glen Ellyn, IL worth?

The TopHap Estimate for 306 Cottage Ave, Glen Ellyn, IL is $703,879 as of Aug 30, 2026. The likely range is $661,122 to $746,636. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 306 Cottage Ave, Glen Ellyn, IL last sell?

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

How big is 306 Cottage Ave, Glen Ellyn, IL?

306 Cottage Ave, Glen Ellyn, IL has 3 bedrooms, 2.5 bathrooms, 2,104 square feet of living space and a 0.37-acre lot.

When was 306 Cottage Ave, Glen Ellyn, IL built?

306 Cottage Ave, Glen Ellyn, IL was built in 1916, making it 110 years old. The building has 2 stories.

What schools serve 306 Cottage Ave, Glen Ellyn, IL?

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

How does 306 Cottage 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 67% of them ($703,879 against a typical $559,796), its price per square foot is higher than 86% of them ($335 against a typical $245), it is bigger than 42% of them (2,104 ft² against a typical 2,336 ft²), its lot is bigger than 65% of them (0.37 ac against a typical 0.27 ac) and it is newer than 4% of them (1916 against a typical 1968). Measured against all of DuPage County, it is worth more than 81% 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 306 Cottage Ave, Glen Ellyn, IL?

The 2025 property tax bill for 306 Cottage Ave, Glen Ellyn, IL was $13,504. The county assessed it at $213,662.

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