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Single Family ResidenceResidential
$1,221,126$286 / 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 Jul 14, 2026

11640 WALNUT CT

BURR RIDGE, IL 60527
4
Beds
3.5
Baths
4,266 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.
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.1M low$1.3M high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$71,726
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$57,381
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.110%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$479,400
CHARTER ONE BANK · recorded May 27, 2003
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$400,000
STC CAP BK
3rd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$270,000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,154 (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.$79,578 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,649
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$64,929
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$79,578
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$795,780

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.39
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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
CountyCOOK
Lot (acres)The size of the land the home sits on, from county records.0.41
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Pleasantdale Elementary SchoolA
Elementary · Grades PK–4 · 0.7 mi
M
Pleasantdale Middle SchoolA+
Middle · Grades 5–8 · 0.9 mi
H
Lyons Township High SchoolA+
High · Grades 9–12 · 4.9 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

11640 Walnut Ct 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 Cook County
  • Bigger than 96% of homes in Cook County
  • Has a bigger lot than 80% of homes in Cook County
  • Newer than 81% 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
$137K$2.2M

This home is worth more than 86% of 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$1,221,126
CheaperTypical $557,450Pricier

Pricier than 86% of homes nearby

Price per ft²$286
CheaperTypical $266Pricier

Pricier than 60% of homes nearby

Living area4,266 ft²
SmallerTypical 1,863 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.41 ac
SmallerTypical 0.66 acBigger

Bigger than 30% of homes nearby

Year built1986
OlderTypical 1979Newer

Newer than 67% of homes nearby

How 11640 Walnut Ct ranks against every home in each area.
MeasureThis homeWillowbrook 60527Cook County
Estimated valuepricier than$1,221,12686% of homes96% of homes
Price per ft²pricier than$28660% of homes64% of homes
Living areabigger than4,266 ft²89% of homes96% of homes
Lot sizebigger than0.41 ac30% of homes80% of homes
Year builtnewer than198667% of homes81% of homes

About 11640 Walnut Ct

How much is 11640 Walnut Ct, Burr Ridge, IL worth?

The TopHap Estimate for 11640 Walnut Ct, Burr Ridge, IL is $1,221,126 as of Jul 14, 2026. The likely range is $1,118,798 to $1,323,454. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11640 Walnut Ct, Burr Ridge, IL last sell?

11640 Walnut Ct, Burr Ridge, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 11640 Walnut Ct, Burr Ridge, IL?

11640 Walnut Ct, Burr Ridge, IL has 4 bedrooms, 3.5 bathrooms, 4,266 square feet of living space and a 0.41-acre lot.

When was 11640 Walnut Ct, Burr Ridge, IL built?

11640 Walnut Ct, Burr Ridge, IL was built in 1986, making it 40 years old. The building has 2 stories.

What schools serve 11640 Walnut Ct, Burr Ridge, IL?

11640 Walnut Ct, 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 11640 Walnut Ct, Burr Ridge, IL compare to other homes in Willowbrook 60527?

Among the 11,207 homes in Willowbrook 60527, it is worth more than 86% of them ($1,221,126 against a typical $557,450), its price per square foot is higher than 60% of them ($286 against a typical $266), it is bigger than 89% of them (4,266 ft² against a typical 1,863 ft²), its lot is bigger than 30% of them (0.41 ac against a typical 0.66 ac) and it is newer than 67% of them (1986 against a typical 1979). Measured against all of Cook 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 11640 Walnut Ct, Burr Ridge, IL?

The 2023 property tax bill for 11640 Walnut Ct, Burr Ridge, IL was $15,154. The county assessed it at $79,578.

Closest homes

More homes in Burr Ridge 60527

Assigned schools

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