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Single Family ResidenceResidential
$844,726$180 / 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 84How 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 $580,000 on Aug 18, 2004

540 1ST ST

LEMONT, IL 60439
5
Beds
5 / 2
Baths
4,683 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.
0.82 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$845K
$712K low$977K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$580,000 · Aug 18, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,404 (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.$63,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,113
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$39,887
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$62,999
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$630,000

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyCook
Lot (acres)The size of the land the home sits on, from county records.0.82
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

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 · 0.8 mi
M
Old Quarry Middle SchoolA+
Middle · Grades 6–8 · 1.7 mi

District: Lemont Township High School District 210

Neighborhood · ZIP 60439These 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.38
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.25,154
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.776 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$127,381
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$151,623
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

540 1st 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 92% of homes in Cook County
  • Costs less per square foot than 98% of homes in Lemont 60439
  • Bigger than 97% of homes in Lemont 60439
  • Has a bigger lot than 86% of homes in Cook County
  • Newer than 80% of homes in Cook County

What homes are worth in Lemont 60439

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

This home
$249K$1.1M

This home is worth more than 86% of homes in Lemont 60439.

How it measures up in Lemont 60439

The dot is this home. The mark in the middle is the typical home in Lemont 60439.

Estimated value$844,726
CheaperTypical $593,335Pricier

Pricier than 86% of homes nearby

Price per ft²$180
CheaperTypical $258Pricier

Pricier than 2% of homes nearby

Living area4,683 ft²
SmallerTypical 2,319 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.82 ac
SmallerTypical 0.28 acBigger

Bigger than 82% of homes nearby

Year built1986
OlderTypical 1993Newer

Newer than 36% of homes nearby

How 540 1st St ranks against every home in each area.
MeasureThis homeLemont 60439Cook County
Estimated valuepricier than$844,72686% of homes92% of homes
Price per ft²pricier than$1802% of homes23% of homes
Living areabigger than4,683 ft²97% of homes96% of homes
Lot sizebigger than0.82 ac82% of homes86% of homes
Year builtnewer than198636% of homes80% of homes

About 540 1st St

How much is 540 1st St, Lemont, IL worth?

The TopHap Estimate for 540 1st St, Lemont, IL is $844,726 as of Sep 24, 2026. The likely range is $712,082 to $977,370. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 540 1st St, Lemont, IL last sell?

540 1st St, Lemont, IL last sold on Aug 18, 2004 for $580,000, according to the county's recorded deed.

How big is 540 1st St, Lemont, IL?

540 1st St, Lemont, IL has 5 bedrooms, 5 bathrooms, 4,683 square feet of living space and a 0.82-acre lot.

When was 540 1st St, Lemont, IL built?

540 1st St, Lemont, IL was built in 1986, making it 40 years old. It is a split level home. The building has 2 stories.

What schools serve 540 1st St, Lemont, IL?

540 1st St, Lemont, 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 540 1st St, Lemont, IL compare to other homes in Lemont 60439?

Among the 9,098 homes in Lemont 60439, it is worth more than 86% of them ($844,726 against a typical $593,335), its price per square foot is higher than 2% of them ($180 against a typical $258), it is bigger than 97% of them (4,683 ft² against a typical 2,319 ft²), its lot is bigger than 82% of them (0.82 ac against a typical 0.28 ac) and it is newer than 36% of them (1986 against a typical 1993). Measured against all of Cook County, it is worth more than 92% 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 540 1st St, Lemont, IL?

The 2023 property tax bill for 540 1st St, Lemont, IL was $12,404. The county assessed it at $63,000.

More homes on 1st St

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