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Single Family ResidenceResidential
$2,900,369$608 / 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 93How 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
Last sold for $1,745,000 on Mar 31, 2008

850 ALLES RD

WINNETKA, IL 60093
7
Beds
5 / 1
Baths
4,774 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
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

$2.9M
$2.7M low$3.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,745,000 · Mar 31, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$36,494 (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.$160,731 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,425
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$109,306
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$160,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,607,310

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.52
83
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.39 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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.0.43
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Hot Water
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

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.

E
Crow Island Elementary SchoolA+
Elementary · Grades KG–4 · 0.6 mi
H
New Trier Township High School - WinnetkaA-
High · Grades 10–12 · 0.9 mi
M
The Carleton W. Washburne SchoolA
Middle · Grades 7–8 · 1.0 mi

District: Winnetka School District 36

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

850 Alles Rd 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 Cook County
  • Costs more per square foot than 98% of homes in Cook County
  • Bigger than 96% of homes in Cook County
  • Has a bigger lot than 80% of homes in Cook County
  • Older than 79% of homes in Winnetka 60093

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
$288K$5.4M

This home is worth more than 85% 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$2,900,369
CheaperTypical $1,616,208Pricier

Pricier than 85% of homes nearby

Price per ft²$608
CheaperTypical $547Pricier

Pricier than 64% of homes nearby

Living area4,774 ft²
SmallerTypical 2,918 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.43 ac
SmallerTypical 0.3 acBigger

Bigger than 62% of homes nearby

Year built1925
OlderTypical 1956Newer

Newer than 21% of homes nearby

How 850 Alles Rd ranks against every home in each area.
MeasureThis homeWinnetka 60093Cook County
Estimated valuepricier than$2,900,36985% of homesalmost all homes
Price per ft²pricier than$60864% of homes98% of homes
Living areabigger than4,774 ft²84% of homes96% of homes
Lot sizebigger than0.43 ac62% of homes80% of homes
Year builtnewer than192521% of homes22% of homes

About 850 Alles Rd

How much is 850 Alles Rd, Winnetka, IL worth?

The TopHap Estimate for 850 Alles Rd, Winnetka, IL is $2,900,369 as of Jul 14, 2026. The likely range is $2,687,166 to $3,113,572. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 850 Alles Rd, Winnetka, IL last sell?

850 Alles Rd, Winnetka, IL last sold on Mar 31, 2008 for $1,745,000, according to the county's recorded deed.

How big is 850 Alles Rd, Winnetka, IL?

850 Alles Rd, Winnetka, IL has 7 bedrooms, 5 bathrooms, 4,774 square feet of living space and a 0.43-acre lot.

When was 850 Alles Rd, Winnetka, IL built?

850 Alles Rd, Winnetka, IL was built in 1925, making it 101 years old. The building has 2 stories.

What schools serve 850 Alles Rd, Winnetka, IL?

850 Alles Rd, Winnetka, IL is assigned to Crow Island Elementary School (elementary), rated A+; New Trier Township High School - Winnetka (high), rated A-; The Carleton W. Washburne School (middle), rated A. All sit in Winnetka School District 36. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 850 Alles Rd, Winnetka, IL compare to other homes in Winnetka 60093?

Among the 7,013 homes in Winnetka 60093, it is worth more than 85% of them ($2,900,369 against a typical $1,616,208), its price per square foot is higher than 64% of them ($608 against a typical $547), it is bigger than 84% of them (4,774 ft² against a typical 2,918 ft²), its lot is bigger than 62% of them (0.43 ac against a typical 0.3 ac) and it is newer than 21% of them (1925 against a typical 1956). Measured against all of Cook 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 850 Alles Rd, Winnetka, IL?

The 2023 property tax bill for 850 Alles Rd, Winnetka, IL was $36,494. The county assessed it at $160,731.

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