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CondominiumResidential
$253,850$317 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $217,000 on Jan 5, 2023

342 RIVER ST UNIT 3303

LEMONT, IL 60439
Building report
1
Beds
1
Baths
800 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.
2007
Year BuiltThe year the home was originally built, according to county records.

Valuation

$254K
$240K low$268K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$217,000 · Jan 5, 2023
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$89,350
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$71,480
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.65%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$164,500
COVANTAGE CU · 5.5% · recorded Oct 30, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,229 (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.$14,042 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$116
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$13,926
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$14,041
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$140,420

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
CountyCook

Transaction History(2)

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

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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

342 River St Unit 3303 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.

  • Among the least valuable homes in Lemont 60439
  • Costs more per square foot than 82% of homes in Lemont 60439
  • Among the smallest homes in Lemont 60439
  • Newer than 97% 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
$267K$1.1M

This home is worth less than almost all 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$253,850
CheaperTypical $601,080Pricier

Cheaper than almost all homes nearby

Price per ft²$317
CheaperTypical $261Pricier

Pricier than 82% of homes nearby

Living area800 ft²
SmallerTypical 2,318 ft²Bigger

Smaller than almost all homes nearby

Year built2007
OlderTypical 1993Newer

Newer than 84% of homes nearby

How 342 River St Unit 3303 ranks against every home in each area.
MeasureThis homeLemont 60439Cook County
Estimated valuepricier than$253,850almost no homes29% of homes
Price per ft²pricier than$31782% of homes73% of homes
Living areabigger than800 ft²almost no homes3% of homes
Year builtnewer than200784% of homes97% of homes

About 342 River St Unit 3303

How much is 342 River St Unit 3303, Lemont, IL worth?

The TopHap Estimate for 342 River St Unit 3303, Lemont, IL is $253,850 as of Jul 14, 2026. The likely range is $239,712 to $267,988. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 342 River St Unit 3303, Lemont, IL last sell?

342 River St Unit 3303, Lemont, IL last sold on Jan 5, 2023 for $217,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 342 River St Unit 3303, Lemont, IL?

342 River St Unit 3303, Lemont, IL has 1 bedrooms, 1 bathrooms and 800 square feet of living space.

When was 342 River St Unit 3303, Lemont, IL built?

342 River St Unit 3303, Lemont, IL was built in 2007, making it 19 years old.

What schools serve 342 River St Unit 3303, Lemont, IL?

342 River St Unit 3303, 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 342 River St Unit 3303, Lemont, IL compare to other homes in Lemont 60439?

Among the 9,059 homes in Lemont 60439, it is worth more than almost none of them ($253,850 against a typical $601,080), its price per square foot is higher than 82% of them ($317 against a typical $261), it is bigger than almost none of them (800 ft² against a typical 2,318 ft²) and it is newer than 84% of them (2007 against a typical 1993). Measured against all of Cook County, it is worth more than 29% 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 342 River St Unit 3303, Lemont, IL?

The 2023 property tax bill for 342 River St Unit 3303, Lemont, IL was $2,229. The county assessed it at $14,042.

More homes on River St Unit 3303

Closest homes

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Assigned schools

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