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Single Family ResidenceResidential
$2,129,466$414 / 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 Sep 24, 2026
Last sold for $1,175,000 on Oct 11, 2006

1920 DUFFY LN

BANNOCKBURN, IL 60015
4
Beds
4.5
Baths
5,145 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.
6.46 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.1M
$1.9M low$2.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,175,000 · Oct 11, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$39,665 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$607,253 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$297,641
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$309,612
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$579,219
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,821,941

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.Conventional
CountyLAKE
Lot (acres)The size of the land the home sits on, from county records.6.46
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.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 228 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
Bannockburn SchoolA+
Elementary · Grades KG–8 · 0.5 mi
H
Deerfield High SchoolA+
High · Grades 9–12 · 1.1 mi

District: Township High School District 113

Neighborhood · ZIP 60015These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.28,450
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,053 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$171,494
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$229,637
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

1920 Duffy Ln 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 Deerfield 60015
  • Costs more per square foot than 96% of homes in Lake County
  • Bigger than 97% of homes in Lake County
  • Among the largest lots in Lake County
  • Newer than 96% of homes in Deerfield 60015

What homes are worth in Deerfield 60015

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

This home
$243K$1.8M

This home is worth more than almost all homes in Deerfield 60015.

How it measures up in Deerfield 60015

The dot is this home. The mark in the middle is the typical home in Deerfield 60015.

Estimated value$2,129,466
CheaperTypical $723,432Pricier

Pricier than almost all homes nearby

Price per ft²$414
CheaperTypical $307Pricier

Pricier than 93% of homes nearby

Living area5,145 ft²
SmallerTypical 2,365 ft²Bigger

Bigger than 95% of homes nearby

Lot size6.46 ac
SmallerTypical 0.26 acBigger

Bigger than 98% of homes nearby

Year built2008
OlderTypical 1971Newer

Newer than 96% of homes nearby

How 1920 Duffy Ln ranks against every home in each area.
MeasureThis homeDeerfield 60015Lake County
Estimated valuepricier than$2,129,466almost all homesalmost all homes
Price per ft²pricier than$41493% of homes96% of homes
Living areabigger than5,145 ft²95% of homes97% of homes
Lot sizebigger than6.46 ac98% of homesalmost all homes
Year builtnewer than200896% of homes96% of homes

About 1920 Duffy Ln

How much is 1920 Duffy Ln, Bannockburn, IL worth?

The TopHap Estimate for 1920 Duffy Ln, Bannockburn, IL is $2,129,466 as of Sep 24, 2026. The likely range is $1,928,538 to $2,330,394. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1920 Duffy Ln, Bannockburn, IL last sell?

1920 Duffy Ln, Bannockburn, IL last sold on Oct 11, 2006 for $1,175,000, according to the county's recorded deed.

How big is 1920 Duffy Ln, Bannockburn, IL?

1920 Duffy Ln, Bannockburn, IL has 4 bedrooms, 4.5 bathrooms, 5,145 square feet of living space and a 6.46-acre lot.

When was 1920 Duffy Ln, Bannockburn, IL built?

1920 Duffy Ln, Bannockburn, IL was built in 2008, making it 18 years old. It is a conventional home. The building has 2 stories.

What schools serve 1920 Duffy Ln, Bannockburn, IL?

1920 Duffy Ln, Bannockburn, IL is assigned to Bannockburn School (elementary), rated A+; Deerfield High School (high), rated A+. All sit in Township High School District 113. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1920 Duffy Ln, Bannockburn, IL compare to other homes in Deerfield 60015?

Among the 9,362 homes in Deerfield 60015, it is worth more than almost all of them ($2,129,466 against a typical $723,432), its price per square foot is higher than 93% of them ($414 against a typical $307), it is bigger than 95% of them (5,145 ft² against a typical 2,365 ft²), its lot is bigger than 98% of them (6.46 ac against a typical 0.26 ac) and it is newer than 96% of them (2008 against a typical 1971). Measured against all of Lake 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 1920 Duffy Ln, Bannockburn, IL?

The 2024 property tax bill for 1920 Duffy Ln, Bannockburn, IL was $39,665. The county assessed it at $607,253.

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