Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$296,142
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 88How 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 $255,000 on Apr 28, 2023

UNKNOWN

UNKNOWN, IL
0
Baths
0.72 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.

Valuation

$296K
$260K low$332K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$255,000 · Apr 28, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,588 (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.$22,042 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$249
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$21,793
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$30,206
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$220,420

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.55
78
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
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.
73
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.66 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.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.0.72
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.

H
Lemont Township High SchoolA+
High · Grades 9–12 · 0.5 mi
E
Oakwood School
Elementary · Grades PK–1 · 1.2 mi
M
Old Quarry Middle SchoolA+
Middle · Grades 6–8 · 1.6 mi

District: Lemont Township High School District 210

Owner Tools

Do you own this home?
Claim this home

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.

  • Has a bigger lot than 85% of homes in Cook County
  • Newer than 97% 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$296,142
CheaperTypical $338,268Pricier

Pricier than 40% of homes nearby

Lot size0.72 ac
SmallerTypical 0.16 acBigger

Bigger than 85% of homes nearby

Year built2007
OlderTypical 1959Newer

Newer than 97% of homes nearby

How Unknown ranks against every home in each area.
MeasureThis homeCook County
Estimated valuepricier than$296,14240% of homes
Lot sizebigger than0.72 ac85% of homes
Year builtnewer than200797% of homes

About Unknown

How much is Unknown, Unknown, IL worth?

The TopHap Estimate for Unknown, Unknown, IL is $296,142 as of Sep 24, 2026. The likely range is $260,319 to $331,965. 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 Apr 28, 2023 for $255,000, according to the county's recorded deed.

When was Unknown, Unknown, IL built?

Unknown, Unknown, IL was built in 2007, making it 19 years old. It is a condo/apartment home.

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 1,538,177 homes in Cook County, it is worth more than 40% of them ($296,142 against a typical $338,268), its lot is bigger than 85% of them (0.72 ac against a typical 0.16 ac) and it is newer than 97% of them (2007 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 $5,588. The county assessed it at $22,042.

More homes on Unknown

Closest homes

Assigned schools

Explore the area

See this home in context

Open Unknown on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map