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TownhouseResidential
$543,309$259 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $400,000 on Nov 11, 2020

UNKNOWN

UNKNOWN, IL
3
Beds
2.5
Baths
2,100 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.
2,402 ft²
Lot SizeThe size of the land the home sits on, from county records.
2016
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
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

$543K
$525K low$561K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · Nov 11, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,455 (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.$43,999 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,561
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$42,438
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$43,999
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$439,990

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
74
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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyCOOK
Lot (acres)The size of the land the home sits on, from county records.0.06
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, Attached
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.

H
Lemont Township High SchoolA+
High · Grades 9–12 · 1.5 mi
E
Oakwood School
Elementary · Grades PK–1 · 1.5 mi
M
Old Quarry Middle SchoolA+
Middle · Grades 6–8 · 2.5 mi

District: Lemont Township High School District 210

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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

Unknown 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 80% of homes in Cook County
  • Bigger than 73% of homes in Cook County
  • Has a smaller lot than 97% of homes in Cook County
  • Newer than 98% of homes in Cook County

How it measures up in Cook County

The dot is this home. The mark in the middle is the typical home in Cook County.

Estimated value$543,309
CheaperTypical $338,717Pricier

Pricier than 80% of homes nearby

Price per ft²$259
CheaperTypical $249Pricier

Pricier than 54% of homes nearby

Living area2,100 ft²
SmallerTypical 1,462 ft²Bigger

Bigger than 73% of homes nearby

Lot size2,402 ft²
SmallerTypical 0.16 acBigger

Bigger than 3% of homes nearby

Year built2016
OlderTypical 1959Newer

Newer than 98% of homes nearby

How Unknown ranks against every home in each area.
MeasureThis homeCook County
Estimated valuepricier than$543,30980% of homes
Price per ft²pricier than$25954% of homes
Living areabigger than2,100 ft²73% of homes
Lot sizebigger than2,402 ft²3% of homes
Year builtnewer than201698% of homes

About Unknown

How much is Unknown, Unknown, IL worth?

The TopHap Estimate for Unknown, Unknown, IL is $543,309 as of Sep 24, 2026. The likely range is $525,205 to $561,413. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Unknown, Unknown, IL last sell?

Unknown, Unknown, IL last sold on Nov 11, 2020 for $400,000, according to the county's recorded deed.

How big is Unknown, Unknown, IL?

Unknown, Unknown, IL has 3 bedrooms, 2.5 bathrooms, 2,100 square feet of living space and a 0.06-acre lot.

When was Unknown, Unknown, IL built?

Unknown, Unknown, IL was built in 2016, making it 10 years old. It is a townhouse home. The building has 2 stories.

What schools serve Unknown, Unknown, IL?

Unknown, Unknown, IL is assigned to Lemont Township High School (high), rated A+; Oakwood School (elementary); Old Quarry Middle School (middle), rated A+. All sit in Lemont Township High School District 210. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Unknown, Unknown, IL compare to other homes in Cook County?

Among the 1,545,349 homes in Cook County, it is worth more than 80% of them ($543,309 against a typical $338,717), its price per square foot is higher than 54% of them ($259 against a typical $249), it is bigger than 73% of them (2,100 ft² against a typical 1,462 ft²), its lot is bigger than 3% of them (2,402 ft² against a typical 0.16 ac) and it is newer than 98% of them (2016 against a typical 1959). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on Unknown, Unknown, IL?

The 2023 property tax bill for Unknown, Unknown, IL was $8,455. The county assessed it at $43,999.

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