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Single Family ResidenceResidential
$916,230$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 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 $869,000 on Aug 20, 2025

20 BIG OAK LN

RIVERWOODS, IL 60015
3
Beds
4 / 1
Baths
3,202 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.
0.79 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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$916K
$834K low$999K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$869,000 · Aug 20, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,400 (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.$157,366 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$53,081
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$104,285
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$157,366
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$472,145

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.0.79
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes

Transaction History(6)

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.

M
Charles J. Caruso Middle SchoolA
Middle · Grades 6–8 · 0.7 mi
E
Wilmot Elementary SchoolA
Elementary · Grades KG–5 · 1.0 mi
H
Deerfield High SchoolA+
High · Grades 9–12 · 2.1 mi

District: Deerfield School District 109

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

20 Big Oak 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.

  • Worth more than 89% of homes in Lake County
  • Costs more per square foot than 76% of homes in Lake County
  • Bigger than 88% of homes in Lake County
  • Has a bigger lot than 87% of homes in Lake County
  • Older than 75% of homes in Lake County

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
$242K$1.8M

This home is worth more than 71% of 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$916,230
CheaperTypical $716,579Pricier

Pricier than 71% of homes nearby

Price per ft²$286
CheaperTypical $304Pricier

Pricier than 36% of homes nearby

Living area3,202 ft²
SmallerTypical 2,340 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.79 ac
SmallerTypical 0.26 acBigger

Bigger than 82% of homes nearby

Year built1960
OlderTypical 1972Newer

Newer than 30% of homes nearby

How 20 Big Oak Ln ranks against every home in each area.
MeasureThis homeDeerfield 60015Lake County
Estimated valuepricier than$916,23071% of homes89% of homes
Price per ft²pricier than$28636% of homes76% of homes
Living areabigger than3,202 ft²75% of homes88% of homes
Lot sizebigger than0.79 ac82% of homes87% of homes
Year builtnewer than196030% of homes25% of homes

About 20 Big Oak Ln

How much is 20 Big Oak Ln, Riverwoods, IL worth?

The TopHap Estimate for 20 Big Oak Ln, Riverwoods, IL is $916,230 as of Aug 30, 2026. The likely range is $833,891 to $998,569. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Big Oak Ln, Riverwoods, IL last sell?

20 Big Oak Ln, Riverwoods, IL last sold on Aug 20, 2025 for $869,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 20 Big Oak Ln, Riverwoods, IL?

20 Big Oak Ln, Riverwoods, IL has 3 bedrooms, 4 bathrooms, 3,202 square feet of living space and a 0.79-acre lot.

When was 20 Big Oak Ln, Riverwoods, IL built?

20 Big Oak Ln, Riverwoods, IL was built in 1960, making it 66 years old. It is a conventional home. The building has 2 stories.

What schools serve 20 Big Oak Ln, Riverwoods, IL?

20 Big Oak Ln, Riverwoods, IL is assigned to Charles J. Caruso Middle School (middle), rated A; Wilmot Elementary School (elementary), rated A; Deerfield High School (high), rated A+. All sit in Deerfield School District 109. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Big Oak Ln, Riverwoods, IL compare to other homes in Deerfield 60015?

Among the 9,369 homes in Deerfield 60015, it is worth more than 71% of them ($916,230 against a typical $716,579), its price per square foot is higher than 36% of them ($286 against a typical $304), it is bigger than 75% of them (3,202 ft² against a typical 2,340 ft²), its lot is bigger than 82% of them (0.79 ac against a typical 0.26 ac) and it is newer than 30% of them (1960 against a typical 1972). Measured against all of Lake County, it is worth more than 89% 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 20 Big Oak Ln, Riverwoods, IL?

The 2024 property tax bill for 20 Big Oak Ln, Riverwoods, IL was $12,400. The county assessed it at $157,366.

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