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Single Family ResidenceResidential
$690,004$273 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $650,000 on Aug 27, 2026

312 S WILLE ST

MOUNT PROSPECT, IL 60056
4
Beds
2
Baths
2,525 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1928
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

$690K
$635K low$745K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$650,000 · Aug 27, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,242 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$57,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,420
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$47,580
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,750
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$570,000

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.45
57
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.
64
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.21 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1929
Lot (acres)The size of the land the home sits on, from county records.0.18
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Lincoln Middle SchoolB+
Middle · Grades 6–8 · 0.5 mi
E
Westbrook Early Learning Center
Elementary · Grades PK–1 · 1.1 mi
H
Prospect High SchoolA+
High · Grades 9–12 · 1.4 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%

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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

312 S Wille St 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 93% of homes in Mount Prospect 60056
  • Bigger than 88% of homes in Mount Prospect 60056
  • Has a smaller lot than 76% of homes in Mount Prospect 60056
  • Among the oldest homes in Mount Prospect 60056

What homes are worth in Mount Prospect 60056

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

This home
$159K$859K

This home is worth more than 93% of homes in Mount Prospect 60056.

How it measures up in Mount Prospect 60056

The dot is this home. The mark in the middle is the typical home in Mount Prospect 60056.

Estimated value$690,004
CheaperTypical $436,601Pricier

Pricier than 93% of homes nearby

Price per ft²$273
CheaperTypical $290Pricier

Pricier than 39% of homes nearby

Living area2,525 ft²
SmallerTypical 1,477 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.18 ac
SmallerTypical 0.22 acBigger

Bigger than 24% of homes nearby

Year built1928
OlderTypical 1965Newer

Older than almost all homes nearby

How 312 S Wille St ranks against every home in each area.
MeasureThis homeMount Prospect 60056Cook County
Estimated valuepricier than$690,00493% of homes88% of homes
Price per ft²pricier than$27339% of homes60% of homes
Living areabigger than2,525 ft²88% of homes83% of homes
Lot sizebigger than0.18 ac24% of homes59% of homes
Year builtnewer than1928almost no homes26% of homes

About 312 S Wille St

How much is 312 S Wille St, Mount Prospect, IL worth?

The TopHap Estimate for 312 S Wille St, Mount Prospect, IL is $690,004 as of Aug 30, 2026. The likely range is $635,160 to $744,848. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 312 S Wille St, Mount Prospect, IL last sell?

312 S Wille St, Mount Prospect, IL last sold on Aug 27, 2026 for $650,000, according to the county's recorded deed.

How big is 312 S Wille St, Mount Prospect, IL?

312 S Wille St, Mount Prospect, IL has 4 bedrooms, 2 bathrooms, 2,525 square feet of living space and a 0.18-acre lot.

When was 312 S Wille St, Mount Prospect, IL built?

312 S Wille St, Mount Prospect, IL was built in 1928, making it 98 years old. The building has 2 stories.

What schools serve 312 S Wille St, Mount Prospect, IL?

312 S Wille St, Mount Prospect, IL is assigned to Lincoln Middle School (middle), rated B+; Westbrook Early Learning Center (elementary); Prospect High School (high), rated A+. All sit in Mount Prospect School District 57. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 312 S Wille St, Mount Prospect, IL compare to other homes in Mount Prospect 60056?

Among the 17,955 homes in Mount Prospect 60056, it is worth more than 93% of them ($690,004 against a typical $436,601), its price per square foot is higher than 39% of them ($273 against a typical $290), it is bigger than 88% of them (2,525 ft² against a typical 1,477 ft²), its lot is bigger than 24% of them (0.18 ac against a typical 0.22 ac) and it is newer than almost none of them (1928 against a typical 1965). Measured against all of Cook County, it is worth more than 88% 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 312 S Wille St, Mount Prospect, IL?

The 2024 property tax bill for 312 S Wille St, Mount Prospect, IL was $12,242. The county assessed it at $57,000.

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