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Single Family ResidenceResidential
$3,550,268$402 / 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 91How 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
Last sold for $2,500,000 on Jan 17, 2014

8403 OAK KNOLL DR

BURR RIDGE, IL 60527
7
Beds
13 / 3
Baths
8,821 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.
1.36 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
16
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$3.6M
$3.2M low$3.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,500,000 · Jan 17, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$41,890 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$220,267 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$48,874
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$171,393
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$220,266
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,202,670

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.53
53
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
27
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
72
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.17 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyCook
Lot (acres)The size of the land the home sits on, from county records.1.36
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.Tile
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

Transaction History(5)

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(2)

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

E
Pleasantdale Elementary SchoolA
Elementary · Grades PK–4 · 0.9 mi
M
Pleasantdale Middle SchoolA+
Middle · Grades 5–8 · 1.6 mi
H
Lyons Township High SchoolA+
High · Grades 9–12 · 5.6 mi

District: Pleasantdale School District 107

Neighborhood · ZIP 60527These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
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.94%
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.8.8%
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.31,289
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,890 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,731
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,490
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

8403 Oak Knoll 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.

  • Among the most valuable homes in Willowbrook 60527
  • Costs more per square foot than 93% of homes in Willowbrook 60527
  • Among the largest homes in Willowbrook 60527
  • Has a bigger lot than 90% of homes in Cook County
  • Newer than 96% of homes in Cook County

What homes are worth in Willowbrook 60527

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

This home
$144K$2.2M

This home is worth more than almost all homes in Willowbrook 60527.

How it measures up in Willowbrook 60527

The dot is this home. The mark in the middle is the typical home in Willowbrook 60527.

Estimated value$3,550,268
CheaperTypical $555,822Pricier

Pricier than almost all homes nearby

Price per ft²$402
CheaperTypical $270Pricier

Pricier than 93% of homes nearby

Living area8,821 ft²
SmallerTypical 1,857 ft²Bigger

Bigger than almost all homes nearby

Lot size1.36 ac
SmallerTypical 0.65 acBigger

Bigger than 68% of homes nearby

Year built2006
OlderTypical 1979Newer

Newer than 92% of homes nearby

How 8403 Oak Knoll Dr ranks against every home in each area.
MeasureThis homeWillowbrook 60527Cook County
Estimated valuepricier than$3,550,268almost all homesalmost all homes
Price per ft²pricier than$40293% of homes89% of homes
Living areabigger than8,821 ft²almost all homesalmost all homes
Lot sizebigger than1.36 ac68% of homes90% of homes
Year builtnewer than200692% of homes96% of homes

About 8403 Oak Knoll Dr

How much is 8403 Oak Knoll Dr, Burr Ridge, IL worth?

The TopHap Estimate for 8403 Oak Knoll Dr, Burr Ridge, IL is $3,550,268 as of Aug 30, 2026. The likely range is $3,233,815 to $3,866,721. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8403 Oak Knoll Dr, Burr Ridge, IL last sell?

8403 Oak Knoll Dr, Burr Ridge, IL last sold on Jan 17, 2014 for $2,500,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 8403 Oak Knoll Dr, Burr Ridge, IL?

8403 Oak Knoll Dr, Burr Ridge, IL has 7 bedrooms, 13 bathrooms, 8,821 square feet of living space and a 1.36-acre lot.

When was 8403 Oak Knoll Dr, Burr Ridge, IL built?

8403 Oak Knoll Dr, Burr Ridge, IL was built in 2006, making it 20 years old. It is a split level home. The building has 2 stories.

What schools serve 8403 Oak Knoll Dr, Burr Ridge, IL?

8403 Oak Knoll Dr, Burr Ridge, IL is assigned to Pleasantdale Elementary School (elementary), rated A; Pleasantdale Middle School (middle), rated A+; Lyons Township High School (high), rated A+. All sit in Pleasantdale School District 107. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8403 Oak Knoll Dr, Burr Ridge, IL compare to other homes in Willowbrook 60527?

Among the 11,209 homes in Willowbrook 60527, it is worth more than almost all of them ($3,550,268 against a typical $555,822), its price per square foot is higher than 93% of them ($402 against a typical $270), it is bigger than almost all of them (8,821 ft² against a typical 1,857 ft²), its lot is bigger than 68% of them (1.36 ac against a typical 0.65 ac) and it is newer than 92% of them (2006 against a typical 1979). Measured against all of Cook County, it is worth more than almost all 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 8403 Oak Knoll Dr, Burr Ridge, IL?

The 2023 property tax bill for 8403 Oak Knoll Dr, Burr Ridge, IL was $41,890. The county assessed it at $220,267.

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