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Single Family ResidenceResidential
$345,703$187 / 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 $45,000 on Jun 26, 2009

4842 RIVER ROCK LN

SMITHTON, IL 62285
3
Baths
1,848 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
2009
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$346K
$335K low$357K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$45,000 · Jun 26, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,687 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$101,724 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,686
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$80,038
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$95,059
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$305,172

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
88
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
75
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
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
CountyST. CLAIR
Lot (acres)The size of the land the home sits on, from county records.0.35
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 581 ft²

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.

E
Smithton Elementary SchoolB+
Elementary · Grades PK–8 · 1.1 mi
H
Freeburg Community High SchoolA
High · Grades 9–12 · 4.7 mi

District: Freeburg Community High School District 77

Neighborhood · ZIP 62285These 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.35
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.173

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.3,534
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.220 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,585
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,390
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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

4842 River Rock Ln 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 81% of homes in St. Clair County
  • Costs more per square foot than 67% of homes in St. Clair County
  • Bigger than 87% of homes in St. Clair County
  • Has a bigger lot than 71% of homes in St. Clair County
  • Newer than 95% of homes in St. Clair County

What homes are worth in Smithton 62285

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

This home
$136K$667K

This home is worth more than 62% of homes in Smithton 62285.

How it measures up in Smithton 62285

The dot is this home. The mark in the middle is the typical home in Smithton 62285.

Estimated value$345,703
CheaperTypical $315,839Pricier

Pricier than 62% of homes nearby

Price per ft²$187
CheaperTypical $197Pricier

Pricier than 37% of homes nearby

Living area1,848 ft²
SmallerTypical 1,514 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.35 ac
SmallerTypical 0.35 acBigger

Bigger than 51% of homes nearby

Year built2009
OlderTypical 1998Newer

Newer than 89% of homes nearby

How 4842 River Rock Ln ranks against every home in each area.
MeasureThis homeSmithton 62285St. Clair County
Estimated valuepricier than$345,70362% of homes81% of homes
Price per ft²pricier than$18737% of homes67% of homes
Living areabigger than1,848 ft²75% of homes87% of homes
Lot sizebigger than0.35 ac51% of homes71% of homes
Year builtnewer than200989% of homes95% of homes

About 4842 River Rock Ln

How much is 4842 River Rock Ln, Smithton, IL worth?

The TopHap Estimate for 4842 River Rock Ln, Smithton, IL is $345,703 as of Sep 24, 2026. The likely range is $334,526 to $356,880. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4842 River Rock Ln, Smithton, IL last sell?

4842 River Rock Ln, Smithton, IL last sold on Jun 26, 2009 for $45,000, according to the county's recorded deed.

How big is 4842 River Rock Ln, Smithton, IL?

4842 River Rock Ln, Smithton, IL has 3 bathrooms, 1,848 square feet of living space and a 0.35-acre lot.

When was 4842 River Rock Ln, Smithton, IL built?

4842 River Rock Ln, Smithton, IL was built in 2009, making it 17 years old. The building has 1 story.

What schools serve 4842 River Rock Ln, Smithton, IL?

4842 River Rock Ln, Smithton, IL is assigned to Smithton Elementary School (elementary), rated B+; Freeburg Community High School (high), rated A. All sit in Freeburg Community High School District 77. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4842 River Rock Ln, Smithton, IL compare to other homes in Smithton 62285?

Among the 1,800 homes in Smithton 62285, it is worth more than 62% of them ($345,703 against a typical $315,839), its price per square foot is higher than 37% of them ($187 against a typical $197), it is bigger than 75% of them (1,848 ft² against a typical 1,514 ft²), its lot is bigger than 51% of them (0.35 ac against a typical 0.35 ac) and it is newer than 89% of them (2009 against a typical 1998). Measured against all of St. Clair County, it is worth more than 81% 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 4842 River Rock Ln, Smithton, IL?

The 2025 property tax bill for 4842 River Rock Ln, Smithton, IL was $7,687. The county assessed it at $101,724.

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