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Single Family ResidenceResidential
$1,185,422$224 / 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 Oct 21, 2026
Last sold for $842,500 on Aug 29, 2022

521 LONGFELLOW AVE

GLEN ELLYN, IL 60137
3
Beds
3.5
Baths
5,301 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
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

$1.2M
$1.1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$842,500 · Aug 29, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24,608 (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.$368,198 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,270
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$322,928
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$339,478
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,104,594

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.9 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.Single Family Residence
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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.DeckPatio · 265 ft²Porch · 105 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.

E
Benjamin Franklin Elementary SchoolA+
Elementary · Grades KG–5 · 0.5 mi
H
Glenbard West High SchoolA
High · Grades 9–12 · 0.6 mi
M
Hadley Junior High SchoolA+
Middle · Grades 6–8 · 1.6 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

521 Longfellow 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 96% of homes in DuPage County
  • Costs less per square foot than 68% of homes in DuPage County
  • Bigger than 98% of homes in DuPage County
  • Older than 79% 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
$180K$1.7M

This home is worth more than 91% 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$1,185,422
CheaperTypical $583,302Pricier

Pricier than 91% of homes nearby

Price per ft²$224
CheaperTypical $250Pricier

Pricier than 34% of homes nearby

Living area5,301 ft²
SmallerTypical 2,335 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.23 ac
SmallerTypical 0.27 acBigger

Bigger than 36% of homes nearby

Year built1960
OlderTypical 1968Newer

Newer than 35% of homes nearby

How 521 Longfellow Ave ranks against every home in each area.
MeasureThis homeGlen Ellyn 60137DuPage County
Estimated valuepricier than$1,185,42291% of homes96% of homes
Price per ft²pricier than$22434% of homes32% of homes
Living areabigger than5,301 ft²95% of homes98% of homes
Lot sizebigger than0.23 ac36% of homes48% of homes
Year builtnewer than196035% of homes21% of homes

About 521 Longfellow Ave

How much is 521 Longfellow Ave, Glen Ellyn, IL worth?

The TopHap Estimate for 521 Longfellow Ave, Glen Ellyn, IL is $1,185,422 as of Oct 21, 2026. The likely range is $1,109,933 to $1,260,911. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Longfellow Ave, Glen Ellyn, IL last sell?

521 Longfellow Ave, Glen Ellyn, IL last sold on Aug 29, 2022 for $842,500, according to the county's recorded deed.

How big is 521 Longfellow Ave, Glen Ellyn, IL?

521 Longfellow Ave, Glen Ellyn, IL has 3 bedrooms, 3.5 bathrooms, 5,301 square feet of living space and a 0.23-acre lot.

When was 521 Longfellow Ave, Glen Ellyn, IL built?

521 Longfellow Ave, Glen Ellyn, IL was built in 1960, making it 66 years old. The building has 2 stories.

What schools serve 521 Longfellow Ave, Glen Ellyn, IL?

521 Longfellow Ave, Glen Ellyn, IL is assigned to Benjamin Franklin Elementary School (elementary), rated A+; Glenbard West High School (high), rated A; 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 521 Longfellow 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 91% of them ($1,185,422 against a typical $583,302), its price per square foot is higher than 34% of them ($224 against a typical $250), it is bigger than 95% of them (5,301 ft² against a typical 2,335 ft²), its lot is bigger than 36% of them (0.23 ac against a typical 0.27 ac) and it is newer than 35% of them (1960 against a typical 1968). Measured against all of DuPage County, it is worth more than 96% 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 521 Longfellow Ave, Glen Ellyn, IL?

The 2025 property tax bill for 521 Longfellow Ave, Glen Ellyn, IL was $24,608. The county assessed it at $368,198.

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