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Single Family ResidenceResidential
$349,643$191 / 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 92How 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 $300,000 on Dec 8, 2021

340 BOULDER DR

GLENDALE HEIGHTS, IL 60139
4
Beds
2
Baths
1,830 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
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

$350K
$322K low$378K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Dec 8, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,045 (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.$101,971 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27,324
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$74,647
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$93,286
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$305,913

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.Raised Ranch
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Mixed (Not Specified)
CoolingThe type of cooling or air conditioning in the home.Window A/C
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 · 195 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(7)

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

M
Glenside Middle SchoolB-
Middle · Grades 5–8 · 1.1 mi
E
Glen Hill Elementary SchoolB-
Elementary · Grades KG–4 · 1.7 mi
H
Glenbard West High SchoolA
High · Grades 9–12 · 3.6 mi

District: Glenbard Township High School District 87

Neighborhood · ZIP 60139These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.123
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.29,694
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,119 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,732
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,431
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

340 Boulder Dr 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 less than 73% of homes in DuPage County
  • Costs less per square foot than 89% of homes in DuPage County
  • Bigger than 75% of homes in Glendale Heights 60139
  • Has a smaller lot than 73% of homes in DuPage County

What homes are worth in Glendale Heights 60139

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

This home
$143K$534K

This home is worth more than 66% of homes in Glendale Heights 60139.

How it measures up in Glendale Heights 60139

The dot is this home. The mark in the middle is the typical home in Glendale Heights 60139.

Estimated value$349,643
CheaperTypical $329,903Pricier

Pricier than 66% of homes nearby

Price per ft²$191
CheaperTypical $203Pricier

Pricier than 36% of homes nearby

Living area1,830 ft²
SmallerTypical 1,556 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.19 ac
SmallerTypical 0.18 acBigger

Bigger than 55% of homes nearby

Year built1975
OlderTypical 1976Newer

Newer than 50% of homes nearby

How 340 Boulder Dr ranks against every home in each area.
MeasureThis homeGlendale Heights 60139DuPage County
Estimated valuepricier than$349,64366% of homes27% of homes
Price per ft²pricier than$19136% of homes11% of homes
Living areabigger than1,830 ft²75% of homes50% of homes
Lot sizebigger than0.19 ac55% of homes27% of homes
Year builtnewer than197550% of homes45% of homes

About 340 Boulder Dr

How much is 340 Boulder Dr, Glendale Heights, IL worth?

The TopHap Estimate for 340 Boulder Dr, Glendale Heights, IL is $349,643 as of Oct 21, 2026. The likely range is $321,620 to $377,666. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 Boulder Dr, Glendale Heights, IL last sell?

340 Boulder Dr, Glendale Heights, IL last sold on Dec 8, 2021 for $300,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 340 Boulder Dr, Glendale Heights, IL?

340 Boulder Dr, Glendale Heights, IL has 4 bedrooms, 2 bathrooms, 1,830 square feet of living space and a 0.19-acre lot.

When was 340 Boulder Dr, Glendale Heights, IL built?

340 Boulder Dr, Glendale Heights, IL was built in 1975, making it 51 years old. It is a raised ranch home. The building has 1 story.

What schools serve 340 Boulder Dr, Glendale Heights, IL?

340 Boulder Dr, Glendale Heights, IL is assigned to Glenside Middle School (middle), rated B-; Glen Hill Elementary School (elementary), rated B-; Glenbard West High School (high), 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 340 Boulder Dr, Glendale Heights, IL compare to other homes in Glendale Heights 60139?

Among the 9,138 homes in Glendale Heights 60139, it is worth more than 66% of them ($349,643 against a typical $329,903), its price per square foot is higher than 36% of them ($191 against a typical $203), it is bigger than 75% of them (1,830 ft² against a typical 1,556 ft²), its lot is bigger than 55% of them (0.19 ac against a typical 0.18 ac) and it is newer than 50% of them (1975 against a typical 1976). Measured against all of DuPage County, it is worth more than 27% 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 340 Boulder Dr, Glendale Heights, IL?

The 2025 property tax bill for 340 Boulder Dr, Glendale Heights, IL was $8,045. The county assessed it at $101,971.

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