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Single Family ResidenceResidential
$1,500,831$383 / 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 94How 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

584 THORNWOOD LN

NORTHFIELD, IL 60093
4
Beds
3.5
Baths
3,916 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.5M
$1.4M low$1.6M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,801 (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.$121,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$26,764
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$94,236
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$88,366
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,210,000

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
66
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
40
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.0.51
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.Asphalt
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(8)

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
Sunset Ridge SchoolA+
Middle · Grades 4–8 · 0.2 mi
E
Middlefork SchoolA+
Elementary · Grades KG–3 · 0.4 mi
H
New Trier Township High School - WinnetkaA+
High · Grades 10–12 · 3.5 mi

District: Sunset Ridge School District 29

Neighborhood · ZIP 60093These 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.53
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 100.41

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.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.3%
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.19,121
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,952 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$236,385
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$357,267
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

584 Thornwood 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 98% of homes in Cook County
  • Costs more per square foot than 88% of homes in Cook County
  • Bigger than 94% of homes in Cook County
  • Has a bigger lot than 81% of homes in Cook County
  • Older than 67% of homes in Cook County

What homes are worth in Winnetka 60093

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

This home
$325K$6.2M

This home is worth more than 43% of homes in Winnetka 60093.

How it measures up in Winnetka 60093

The dot is this home. The mark in the middle is the typical home in Winnetka 60093.

Estimated value$1,500,831
CheaperTypical $1,657,852Pricier

Pricier than 43% of homes nearby

Price per ft²$383
CheaperTypical $567Pricier

Pricier than 15% of homes nearby

Living area3,916 ft²
SmallerTypical 2,920 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.51 ac
SmallerTypical 0.3 acBigger

Bigger than 69% of homes nearby

Year built1948
OlderTypical 1957Newer

Newer than 37% of homes nearby

How 584 Thornwood Ln ranks against every home in each area.
MeasureThis homeWinnetka 60093Cook County
Estimated valuepricier than$1,500,83143% of homes98% of homes
Price per ft²pricier than$38315% of homes88% of homes
Living areabigger than3,916 ft²73% of homes94% of homes
Lot sizebigger than0.51 ac69% of homes81% of homes
Year builtnewer than194837% of homes33% of homes

About 584 Thornwood Ln

How much is 584 Thornwood Ln, Northfield, IL worth?

The TopHap Estimate for 584 Thornwood Ln, Northfield, IL is $1,500,831 as of Sep 24, 2026. The likely range is $1,407,418 to $1,594,244. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 584 Thornwood Ln, Northfield, IL last sell?

584 Thornwood Ln, Northfield, IL last sold on Mar 30, 2022, according to the county's recorded deed.

How big is 584 Thornwood Ln, Northfield, IL?

584 Thornwood Ln, Northfield, IL has 4 bedrooms, 3.5 bathrooms, 3,916 square feet of living space and a 0.51-acre lot.

When was 584 Thornwood Ln, Northfield, IL built?

584 Thornwood Ln, Northfield, IL was built in 1948, making it 78 years old. The building has 2 stories.

What schools serve 584 Thornwood Ln, Northfield, IL?

584 Thornwood Ln, Northfield, IL is assigned to Sunset Ridge School (middle), rated A+; Middlefork School (elementary), rated A+; New Trier Township High School - Winnetka (high), rated A+. All sit in Sunset Ridge School District 29. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 584 Thornwood Ln, Northfield, IL compare to other homes in Winnetka 60093?

Among the 6,976 homes in Winnetka 60093, it is worth more than 43% of them ($1,500,831 against a typical $1,657,852), its price per square foot is higher than 15% of them ($383 against a typical $567), it is bigger than 73% of them (3,916 ft² against a typical 2,920 ft²), its lot is bigger than 69% of them (0.51 ac against a typical 0.3 ac) and it is newer than 37% of them (1948 against a typical 1957). Measured against all of Cook County, it is worth more than 98% 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 584 Thornwood Ln, Northfield, IL?

The 2023 property tax bill for 584 Thornwood Ln, Northfield, IL was $20,801. The county assessed it at $121,000.

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