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CondominiumResidential

640 Winnetka Mews

WINNETKA, IL 60093
1.77 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
Built 19734 floors23 units1,675–4,012 ft²
$21M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$817K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$409
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-27.9%vs the Winnetka ZIP median sale $/ft² ($567)

Sales Performance

$639K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-14.8%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
4
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
17.4%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.3%per yeartypical hold 8.5 yrsfrom 14 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19982003200720132015201820232026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19982003200720132015201820232026

36 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$590K$951K$1.3M$1.7M1,675 ft²2,142 ft²2,610 ft²3,077 ft²3,545 ft²4,012 ft²
2 bd3 bd4+ bd
2 bed
3 units
3 bed
19 units
4 bed
1 unit
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
3 bd · 0 ba · 1,862 ft²
6 units
3 bd · 0 ba · 2,150 ft²
4 units
3 bd · 0 ba · 2,187 ft²
3 units
2 bd · 0 ba · 1,675 ft²
2 units
3 bd · 0 ba · 1,975 ft²
2 units
3 bd · 0 ba · 3,537 ft²
2 units
One-off layouts
4 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$590K–$714K
6 units
$761K–$846K
10 units
$899K–$982K
3 units
$1.1M–$1.1M
1 unit
$1.4M–$1.4M
1 unit
$1.6M–$1.7M
2 units

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$414/ft²
Floor 2
$389/ft²
Floor 3
$385/ft²
Floor 4
$443/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·03
$457/ft²
Line ·08
$423/ft²
Line ·07
$408/ft²
Line ·04
$399/ft²
Line ·05
$394/ft²
Line ·06
$393/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.70%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.52%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.7.4 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.89%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.25%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$788,543
Median tax billThe middle annual property tax bill among the building's units.$10,983
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 305Jun 1, 2026$580,000Unit 205Apr 1, 2026$639,000Unit 405Apr 1, 2026$639,000Unit 108Oct 10, 2025$902,000Unit 105Aug 27, 2025$875,000Unit 307May 5, 2025$625,000Unit 103Aug 23, 2024$625,000Unit 107Nov 1, 2023$712,500Unit 306Nov 17, 2021$525,000Unit 404Jul 14, 2021$550,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyCook
Lot (acres)The size of the land the home sits on, from county records.1.77
HeatingThe type of heating system in the home.None

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 · 0.6 mi
M
The Carleton W. Washburne SchoolA
Middle · Grades 7–8 · 0.7 mi
H
New Trier Township High School - WinnetkaA-
High · Grades 10–12 · 1.3 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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

640 Winnetka Mews Apt 103
3 bd · 2,187 ft²
$814K
640 Winnetka Mews Apt 104
3 bd · 3 ba · 2,187 ft²
$817K
640 Winnetka Mews Apt 105
3 bd · 1,975 ft²
$970K
640 Winnetka Mews Apt 106
3 bd · 1,975 ft²
$842K
640 Winnetka Mews # 107
3 bd · 2,187 ft²
$813K
640 Winnetka Mews Apt 108
3 bd · 2,187 ft²
$982K
640 Winnetka Mews Apt 203
3 bd · 2,150 ft²
$899K
640 Winnetka Mews Apt 204
3 bd · 3 ba · 1,862 ft²
$712K
640 Winnetka Mews # 205
3 bd · 1,862 ft²
$657K
640 Winnetka Mews Apt 206
3 bd · 2,150 ft²
$837K
640 Winnetka Mews Apt 207
2 bd · 1,675 ft²
$714K
640 Winnetka Mews # 208
3 bd · 1,862 ft²
$676K
640 Winnetka Mews Apt 303
4 bd · 4,012 ft²
$1.6M
640 Winnetka Mews # 305
3 bd · 1,862 ft²
$590K
640 Winnetka Mews Apt 306
3 bd · 2,150 ft²
$779K
640 Winnetka Mews # 307
2 bd · 1,675 ft²
$712K
640 Winnetka Mews Apt 308
3 bd · 1,862 ft²
$761K
640 Winnetka Mews Apt 403
3 bd · 2,150 ft²
$1.4M
640 Winnetka Mews Apt 404
3 bd · 1,862 ft²
$821K
640 Winnetka Mews # 405
3 bd · 1,862 ft²
$772K
640 Winnetka Mews Apt 406
2 bd · 2,150 ft²
$846K
640 Winnetka Mews Apt 408
3 bd · 3,537 ft²
$1.7M
640 Winnetka Mews Unit 409
3 bd · 3,537 ft²
$1.1M

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 640 Winnetka Mews

How many units are in 640 Winnetka Mews, Winnetka, IL?

640 Winnetka Mews, Winnetka, IL has 23 residential units across 4 floors, built in 1973, according to county assessor records.

What is a unit at 640 Winnetka Mews, Winnetka, IL worth?

The median TopHap Estimate across the 23 units at 640 Winnetka Mews, Winnetka, IL is $817,212. That works out to $409 per square foot. Units run from 1,675 to 4,012 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 640 Winnetka Mews, Winnetka, IL expensive for Winnetka?

Units at 640 Winnetka Mews, Winnetka, IL carry a median of $409 per square foot, 28% below the Winnetka median of $567 per square foot.

How often do units sell at 640 Winnetka Mews, Winnetka, IL?

4 units at 640 Winnetka Mews, Winnetka, IL sold in the last 12 months, out of 36 recorded arms-length sales all time. That is a turnover rate of 17.4% of the building per year. The median sale over that period was $639K.

Have units at 640 Winnetka Mews, Winnetka, IL appreciated?

Across 14 repeat sales of the same unit, 640 Winnetka Mews, Winnetka, IL returned a median 3.3% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 8.5 years.

What floor plans does 640 Winnetka Mews, Winnetka, IL have?

The most common plan at 640 Winnetka Mews, Winnetka, IL is a 3-bedroom of 1,862 square feet, repeated 6 times, with a median estimate of $718,737. TopHap identifies 6 recurring plans in the building.

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