CondominiumResidential
11 S Wille St
MOUNT PROSPECT, IL 60056
2.77 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
Built 20007 floors70 units1,100–1,905 ft²
$26M
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.
$362K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$249
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-6.1%vs the Mount Prospect ZIP median sale $/ft² ($265)
Sales Performance
$329K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+0.8%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
2
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
2.9%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+5.4%per yeartypical hold 6.6 yrsfrom 25 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20042009201220152017202020232026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20042009201220152017202020232026
77 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.
1 bd2 bd3 bd
1 bed
6 units$294K · $252/ft²
2 bed
46 units$359K · $243/ft²
3 bed
18 units$436K · $250/ft²
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.
1 bd · 0 ba · 1,110 ft²
3 units$280K · $252/ft²
2 bd · 0 ba · 1,504 ft²
3 units$353K · $235/ft²
3 bd · 0 ba · 1,751 ft²
3 units$432K · $247/ft²
2 bd · 0 ba · 1,500 ft²
2 units$376K · $251/ft²
2 bd · 0 ba · 1,598 ft²
2 units$384K · $240/ft²
One-off layouts
57 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.
$276K–$302K
6 units
$307K–$325K
3 units
$329K–$354K
23 units
$356K–$380K
11 units
$381K–$406K
9 units
$408K–$432K
5 units
$435K–$458K
6 units
$479K–$485K
7 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.
Floors 1–2
$251/ft²5 units · +1%
Floor 3
$241/ft²3 units · -3%
Floors 4–5
$247/ft²7 units · -1%
Floor 6
$254/ft²6 units · +2%
Floor 7
$252/ft²2 units · +1%
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 ·11
$255/ft²3 units · +2%
Line ·07
$249/ft²5 units · +0%
Line ·02
$247/ft²3 units · +0%
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.20%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.10.6 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.70%
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.22%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$374,124
Median tax billThe middle annual property tax bill among the building's units.$6,217
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 408Jun 22, 2026$387,000Unit 711Feb 19, 2026$270,000$243/ft²Unit 311Sep 17, 2025$270,000$243/ft²Unit 201Aug 20, 2025$350,000Unit 709Aug 1, 2025$440,000Unit 211Mar 6, 2025$285,000Unit 409Feb 13, 2025$326,000Unit 203Jan 30, 2025$305,000Unit 109Nov 5, 2024$335,000$210/ft²Unit 702Feb 23, 2024$320,000
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.35
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.
62
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.
45
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.2.77
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
MHE
Lincoln Middle SchoolB+
Middle · Grades 6–8 · 0.6 mi
Prospect High SchoolA+
High · Grades 9–12 · 1.1 mi
Westbrook Early Learning Center
Elementary · Grades PK–1 · 1.1 mi
District: Mount Prospect School District 57
Neighborhood · ZIP 60056These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.124
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.43
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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.56,070
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,043 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,966
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,404
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.
11 S Wille St Apt 107
2 bd · 1,645 ft²
11 S Wille St # 108
2 bd
11 S Wille St # 109
2 bd · 1,598 ft²
11 S Wille St # 110
3 bd
11 S Wille St # 201
2 bd
11 S Wille St # 202
2 bd
11 S Wille St # 203
2 bd
11 S Wille St Apt 204
3 bd · 2 ba · 1,905 ft²
11 S Wille St Apt 205
2 bd · 1,100 ft²
11 S Wille St # 206
3 bd
11 S Wille St # 207
3 bd · 1,751 ft²
11 S Wille St # 208
2 bd
11 S Wille St # 209
2 bd
11 S Wille St # 210
2 bd
11 S Wille St # 211
1 bd
11 S Wille St # 301
2 bd
11 S Wille St Apt 302
2 bd · 1,504 ft²
11 S Wille St # 303
2 bd
11 S Wille St # 304
3 bd
11 S Wille St # 305
2 bd
11 S Wille St # 306
3 bd
11 S Wille St # 307
3 bd
11 S Wille St # 308
2 bd · 1,484 ft²
11 S Wille St # 309
2 bd
11 S Wille St # 310
2 bd
11 S Wille St Apt 311
1 bd · 1,110 ft²
11 S Wille St # 401
2 bd
11 S Wille St Apt 402
2 bd · 1,504 ft²
11 S Wille St Apt 403
2 bd · 1,598 ft²
11 S Wille St # 404
3 bd
11 S Wille St # 405
2 bd
11 S Wille St # 406
3 bd
11 S Wille St Apt 407
3 bd · 1,751 ft²
11 S Wille St # 408
2 bd
11 S Wille St # 409
2 bd
11 S Wille St # 410
2 bd
11 S Wille St # 411
1 bd
11 S Wille St # 501
2 bd
11 S Wille St # 502
2 bd
11 S Wille St Apt 503
2 bd · 2 ba · 1,598 ft²
11 S Wille St # 504
3 bd
11 S Wille St Apt 505
2 bd · 1,236 ft²
11 S Wille St # 506
3 bd
11 S Wille St Apt 507
3 bd · 1,751 ft²
11 S Wille St # 508
2 bd · 2 ba
11 S Wille St # 509
2 bd
11 S Wille St Apt 510
2 bd · 1,504 ft²
11 S Wille St # 511
1 bd
11 S Wille St # 601
2 bd
11 S Wille St Apt 602
2 bd · 1,500 ft²
11 S Wille St # 603
2 bd
11 S Wille St # 604
3 bd
11 S Wille St # 605
2 bd
11 S Wille St Apt 606
3 bd · 2 ba · 1,591 ft²
11 S Wille St Apt 607
2 bd · 2 ba · 1,751 ft²
11 S Wille St # 608
2 bd
11 S Wille St Apt 609
2 bd · 1,591 ft²
11 S Wille St Apt 610
2 bd · 1,500 ft²
11 S Wille St Apt 611
1 bd · 1,110 ft²
11 S Wille St # 701
2 bd
11 S Wille St # 702
2 bd
11 S Wille St # 703
2 bd
11 S Wille St # 704
3 bd
11 S Wille St # 705
2 bd
11 S Wille St Apt 706
3 bd · 1,894 ft²
11 S Wille St # 707
3 bd
11 S Wille St # 708
2 bd
11 S Wille St # 709
2 bd
11 S Wille St # 710
2 bd
11 S Wille St Apt 711
1 bd · 1,110 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 11 S Wille St
How many units are in 11 S Wille St, Mount Prospect, IL?
11 S Wille St, Mount Prospect, IL has 70 residential units across 7 floors, built in 2000, according to county assessor records.
What is a unit at 11 S Wille St, Mount Prospect, IL worth?
The median TopHap Estimate across the 70 units at 11 S Wille St, Mount Prospect, IL is $361,647. That works out to $249 per square foot. Units run from 1,100 to 1,905 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 11 S Wille St, Mount Prospect, IL expensive for Mount Prospect?
Units at 11 S Wille St, Mount Prospect, IL carry a median of $249 per square foot, 6% below the Mount Prospect median of $265 per square foot.
How often do units sell at 11 S Wille St, Mount Prospect, IL?
2 units at 11 S Wille St, Mount Prospect, IL sold in the last 12 months, out of 77 recorded arms-length sales all time. That is a turnover rate of 2.9% of the building per year. The median sale over that period was $329K.
Have units at 11 S Wille St, Mount Prospect, IL appreciated?
Across 25 repeat sales of the same unit, 11 S Wille St, Mount Prospect, IL returned a median 5.4% 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 6.6 years.
What floor plans does 11 S Wille St, Mount Prospect, IL have?
The most common plan at 11 S Wille St, Mount Prospect, IL is a 1-bedroom of 1,110 square feet, repeated 3 times, with a median estimate of $280,023. TopHap identifies 5 recurring plans in the building.
More homes on S Wille St
- 312 S Wille St$653K4 bd · 2 ba · 2,525 ft² · Sold $650K · Aug 2026
- 401 S Wille St$345K3 bd · 1.5 ba · 1,320 ft² · Sold Jul 2026
- 403 S Wille St$871K3 bd · 3.5 ba · 2,616 ft² · Sold $864K · Jul 2026
- 11 S Wille St # 408$390K2 bd · 2.77 ac · Sold $387K · Jun 2026
- 10 S Wille St # 201$400K2 bd · 1,370 ft² · Sold $395K · May 2026
- 10 S Wille St # 603$313K2 bd · 1 ba · 1,220 ft² · Sold $309K · May 2026
- 10 S Wille St # 203$305K2 bd · 1.21 ac · Sold $150K · May 2026
- 11 S Wille St # 711$276K1 bd · 1,110 ft² · Sold $270K · Feb 2026
- 400 S Wille St$423K3 bd · 3 ba · 1,678 ft² · Sold $405K · Nov 2025
- 11 S Wille St # 311$280K1 bd · 1,110 ft² · Sold $270K · Sep 2025
- 11 S Wille St # 201$364K2 bd · 2.77 ac · Sold $350K · Aug 2025
- 11 S Wille St # 709$458K2 bd · 2.77 ac · Sold $440K · Aug 2025
Closest homes
- 5 W Central Rd$286K0 ft · 1 bd · 2.77 ac · Sold $260K · May 2024
- 5 W Central Rd$496K0 ft · 3 bd · 3.5 ba · 2.77 ac · Sold $335K · Jan 2020
- 5 W Central Rd$363K0 ft · 2 bd · 2.77 ac · Sold $345K · May 2025
- 11 S Wille St$342K0 ft · 2 bd · 2.77 ac · Sold $12K · Jun 2004
- 5 W Central Rd$379K0 ft · 2 bd · 2 ba · 1,408 ft² · Sold $285K · Sep 2017
- 20 S Main St$275K0 ft · 1 bd · 2.77 ac · Sold $199K · Sep 2021
- 11 S Wille St$352K0 ft · 2 bd · 1,484 ft² · Sold $214K · Sep 2019
- 20 S Main St$264K0 ft · 1 bd · 960 ft² · Sold $179K · Mar 2019
More homes in Mount Prospect 60056
- 114 N Lancaster St$459K4 bd · 2 ba · 1,532 ft² · Sold $459K · Sep 2026
- 1727 W Crystal Ln$230K2 bd · 2.89 ac · Sold $230K · Sep 2026
- 250 W Parliament Pl$267K2 bd · 1,500 ft² · Sold $267K · Sep 2026
- 1707 W Martin Ln$679K3 bd · 1.5 ba · 1,136 ft² · Sold $679K · Sep 2026
- 501 E Prospect Ave$155K1 bd · 1.3 ac · Sold $155K · Sep 2026
- 336 S Maple St$326K3 bd · 1 ba · 1,280 ft² · Sold $326K · Sep 2026
- 801 E Golfview Dr$695K4 bd · 2 ba · 2,193 ft² · Sold $695K · Sep 2026
- 208 N Graylynn Dr$285K3 bd · 1 ba · 1,064 ft² · Sold $285K · Sep 2026
- 280 N Westgate Rd$227K2 bd · 1,150 ft² · Sold $227K · Sep 2026
- 907 E Central Rd$550K4 bd · 2.5 ba · 1,824 ft² · Sold $550K · Sep 2026
- 1717 W Crystal Ln$250K2 bd · 2.34 ac · Sold $250K · Sep 2026
- 1826 W Catalpa Ln$512K3 bd · 1 ba · 1,329 ft² · Sold $510K · Sep 2026
Assigned schools
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