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Single Family ResidenceResidential
$826,840$214 / 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 95How 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

18 BIG OAK LN

RIVERWOODS, IL 60015
3
Beds
3 / 1
Baths
3,872 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.
0.95 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.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$827K
$786K low$868K 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.$58,840
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$47,072
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.94%
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.$300,000
LAKE FOREST BANK & TRUST CO · recorded Aug 21, 2002
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.$318,000
WINTRUST MORTGAGE
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.$150,000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,323 (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.$190,102 (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.$137,021
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$182,439
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$570,363

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
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
62
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
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.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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.Conventional
CountyLake
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1980
Lot (acres)The size of the land the home sits on, from county records.0.95
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.Wood 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
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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.

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 · 0.6 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
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

18 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 86% of homes in Lake County
  • Costs less per square foot than 96% of homes in Deerfield 60015
  • Bigger than 94% of homes in Lake County
  • Has a bigger lot than 90% 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
$243K$1.8M

This home is worth more than 61% 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$826,840
CheaperTypical $728,931Pricier

Pricier than 61% of homes nearby

Price per ft²$214
CheaperTypical $311Pricier

Pricier than 4% of homes nearby

Living area3,872 ft²
SmallerTypical 2,348 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.95 ac
SmallerTypical 0.26 acBigger

Bigger than 84% of homes nearby

Year built1975
OlderTypical 1971Newer

Newer than 57% of homes nearby

How 18 Big Oak Ln ranks against every home in each area.
MeasureThis homeDeerfield 60015Lake County
Estimated valuepricier than$826,84061% of homes86% of homes
Price per ft²pricier than$2144% of homes38% of homes
Living areabigger than3,872 ft²86% of homes94% of homes
Lot sizebigger than0.95 ac84% of homes90% of homes
Year builtnewer than197557% of homes40% of homes

About 18 Big Oak Ln

How much is 18 Big Oak Ln, Riverwoods, IL worth?

The TopHap Estimate for 18 Big Oak Ln, Riverwoods, IL is $826,840 as of Jul 14, 2026. The likely range is $785,537 to $868,143. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Big Oak Ln, Riverwoods, IL last sell?

18 Big Oak Ln, Riverwoods, IL last sold on Aug 21, 2002, according to the county's recorded deed.

How big is 18 Big Oak Ln, Riverwoods, IL?

18 Big Oak Ln, Riverwoods, IL has 3 bedrooms, 3 bathrooms, 3,872 square feet of living space and a 0.95-acre lot.

When was 18 Big Oak Ln, Riverwoods, IL built?

18 Big Oak Ln, Riverwoods, IL was built in 1975, making it 51 years old. It is a conventional home. The building has 2 stories.

What schools serve 18 Big Oak Ln, Riverwoods, IL?

18 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 18 Big Oak Ln, Riverwoods, IL compare to other homes in Deerfield 60015?

Among the 9,371 homes in Deerfield 60015, it is worth more than 61% of them ($826,840 against a typical $728,931), its price per square foot is higher than 4% of them ($214 against a typical $311), it is bigger than 86% of them (3,872 ft² against a typical 2,348 ft²), its lot is bigger than 84% of them (0.95 ac against a typical 0.26 ac) and it is newer than 57% of them (1975 against a typical 1971). Measured against all of Lake County, it is worth more than 86% 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 18 Big Oak Ln, Riverwoods, IL?

The 2024 property tax bill for 18 Big Oak Ln, Riverwoods, IL was $14,323. The county assessed it at $190,102.

Closest homes

More homes in Riverwoods 60015

Assigned schools

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