Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$214,658$199 / 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 $112,000 on Nov 22, 2024

421 S MAIN ST

SMITHTON, IL 62285
3
Baths
1,080 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$215K
$180K low$249K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$112,000 · Nov 22, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,766 (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.$71,244 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,413
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$65,831
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$72,235
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$213,732

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.40
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
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.0.25
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.Shed · 168 ft²Porch · 480 ft²

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

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 · 0.1 mi
H
Freeburg Community High SchoolA
High · Grades 9–12 · 4.6 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%

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

421 S Main 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 less than 84% of homes in Smithton 62285
  • Costs more per square foot than 71% of homes in St. Clair County
  • Smaller than 80% of homes in Smithton 62285
  • Has a smaller lot than 74% of homes in Smithton 62285
  • Older than 71% of homes in Smithton 62285

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
$137K$665K

This home is worth more than 16% 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$214,658
CheaperTypical $314,508Pricier

Pricier than 16% of homes nearby

Price per ft²$199
CheaperTypical $197Pricier

Pricier than 53% of homes nearby

Living area1,080 ft²
SmallerTypical 1,520 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.25 ac
SmallerTypical 0.35 acBigger

Bigger than 26% of homes nearby

Year built1985
OlderTypical 1998Newer

Newer than 29% of homes nearby

How 421 S Main St ranks against every home in each area.
MeasureThis homeSmithton 62285St. Clair County
Estimated valuepricier than$214,65816% of homes58% of homes
Price per ft²pricier than$19953% of homes71% of homes
Living areabigger than1,080 ft²20% of homes41% of homes
Lot sizebigger than0.25 ac26% of homes52% of homes
Year builtnewer than198529% of homes66% of homes

About 421 S Main St

How much is 421 S Main St, Smithton, IL worth?

The TopHap Estimate for 421 S Main St, Smithton, IL is $214,658 as of Sep 24, 2026. The likely range is $180,238 to $249,078. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 S Main St, Smithton, IL last sell?

421 S Main St, Smithton, IL last sold on Nov 22, 2024 for $112,000, according to the county's recorded deed.

How big is 421 S Main St, Smithton, IL?

421 S Main St, Smithton, IL has 3 bathrooms, 1,080 square feet of living space and a 0.25-acre lot.

When was 421 S Main St, Smithton, IL built?

421 S Main St, Smithton, IL was built in 1985, making it 41 years old. The building has 1 story.

What schools serve 421 S Main St, Smithton, IL?

421 S Main St, 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 421 S Main St, Smithton, IL compare to other homes in Smithton 62285?

Among the 1,800 homes in Smithton 62285, it is worth more than 16% of them ($214,658 against a typical $314,508), its price per square foot is higher than 53% of them ($199 against a typical $197), it is bigger than 20% of them (1,080 ft² against a typical 1,520 ft²), its lot is bigger than 26% of them (0.25 ac against a typical 0.35 ac) and it is newer than 29% of them (1985 against a typical 1998). Measured against all of St. Clair County, it is worth more than 58% 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 421 S Main St, Smithton, IL?

The 2025 property tax bill for 421 S Main St, Smithton, IL was $5,766. The county assessed it at $71,244.

More homes on S Main St

Closest homes

More homes in Smithton 62285

Assigned schools

Explore the area

See this home in context

Open 421 S Main St 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