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Single Family ResidenceResidential
$2,894,946$716 / 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 $1,641,000 on Jul 14, 2021

840 LAMSON DR

WINNETKA, IL 60093
5
Beds
4 / 1
Baths
4,042 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1944
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
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.$1,641,000 · Jul 14, 2021
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.$2,894,946
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$2,315,957

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$34,577 (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.$152,461 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$52,624
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$99,837
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$152,461
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,524,610

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.32
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.
33
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.0.55
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.Wood Shingle
HeatingThe type of heating system in the home.Forced Air
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(2)

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
Hubbard Woods Elementary SchoolA+
Elementary · Grades KG–4 · 0.5 mi
M
The Carleton W. Washburne SchoolA
Middle · Grades 7–8 · 1.1 mi
H
New Trier Township High School - WinnetkaA-
High · Grades 10–12 · 1.7 mi

District: New Trier Township High School District 203

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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

840 Lamson Dr 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
  • Among the highest price per square foot in Cook County
  • Bigger than 95% of homes in Cook County
  • Has a bigger lot than 83% of homes in Cook County
  • Older than 69% 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
$287K$5.3M

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$2,894,946
CheaperTypical $1,606,094Pricier

Pricier than 85% of homes nearby

Price per ft²$716
CheaperTypical $546Pricier

Pricier than 84% of homes nearby

Living area4,042 ft²
SmallerTypical 2,920 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.55 ac
SmallerTypical 0.3 acBigger

Bigger than 71% of homes nearby

Year built1944
OlderTypical 1956Newer

Newer than 35% of homes nearby

How 840 Lamson Dr ranks against every home in each area.
MeasureThis homeWinnetka 60093Cook County
Estimated valuepricier than$2,894,94685% of homesalmost all homes
Price per ft²pricier than$71684% of homesalmost all homes
Living areabigger than4,042 ft²75% of homes95% of homes
Lot sizebigger than0.55 ac71% of homes83% of homes
Year builtnewer than194435% of homes31% of homes

About 840 Lamson Dr

How much is 840 Lamson Dr, Winnetka, IL worth?

The TopHap Estimate for 840 Lamson Dr, Winnetka, IL is $2,894,946 as of Jul 14, 2026. The likely range is $2,693,956 to $3,095,936. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 840 Lamson Dr, Winnetka, IL last sell?

840 Lamson Dr, Winnetka, IL last sold on Jul 14, 2021 for $1,641,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 840 Lamson Dr, Winnetka, IL?

840 Lamson Dr, Winnetka, IL has 5 bedrooms, 4 bathrooms, 4,042 square feet of living space and a 0.55-acre lot.

When was 840 Lamson Dr, Winnetka, IL built?

840 Lamson Dr, Winnetka, IL was built in 1944, making it 82 years old. The building has 2 stories.

What schools serve 840 Lamson Dr, Winnetka, IL?

840 Lamson Dr, Winnetka, IL is assigned to Hubbard Woods Elementary School (elementary), rated A+; The Carleton W. Washburne School (middle), rated A; New Trier Township High School - Winnetka (high), rated A-. All sit in New Trier Township High School District 203. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 840 Lamson Dr, Winnetka, IL compare to other homes in Winnetka 60093?

Among the 7,014 homes in Winnetka 60093, it is worth more than 85% of them ($2,894,946 against a typical $1,606,094), its price per square foot is higher than 84% of them ($716 against a typical $546), it is bigger than 75% of them (4,042 ft² against a typical 2,920 ft²), its lot is bigger than 71% of them (0.55 ac against a typical 0.3 ac) and it is newer than 35% of them (1944 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 840 Lamson Dr, Winnetka, IL?

The 2023 property tax bill for 840 Lamson Dr, Winnetka, IL was $34,577. The county assessed it at $152,461.

Closest homes

More homes in Winnetka 60093

Assigned schools

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