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Single Family ResidenceResidential
$108,899$127 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

321 W MAIN ST

MASCOUTAH, IL 62258
2
Baths
858 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1877
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$109K
$96K low$122K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,084 (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.$42,664 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,434
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$39,230
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$39,658
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$127,992

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.45
36
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
69
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 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.Single Family Residence
CountyST. CLAIR
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1975
Lot (acres)The size of the land the home sits on, from county records.0.11
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
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 · 132 ft²

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.

E
Mascoutah Elementary SchoolA
Elementary · Grades PK–5 · 0.4 mi
M
Mascoutah Middle SchoolB-
Middle · Grades 6–8 · 0.6 mi
H
Mascoutah High SchoolA
High · Grades 9–12 · 0.9 mi

District: Mascoutah Community Unit School District 19

Neighborhood · ZIP 62258These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.171

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
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.10,389
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.134 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$94,499
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,031
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

321 W 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 93% of homes in Mascoutah 62258
  • Costs less per square foot than 86% of homes in Mascoutah 62258
  • Smaller than 87% of homes in Mascoutah 62258
  • Has a smaller lot than 94% of homes in St. Clair County
  • Among the oldest homes in St. Clair County

What homes are worth in Mascoutah 62258

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

This home
$78K$555K

This home is worth more than 7% of homes in Mascoutah 62258.

How it measures up in Mascoutah 62258

The dot is this home. The mark in the middle is the typical home in Mascoutah 62258.

Estimated value$108,899
CheaperTypical $250,636Pricier

Pricier than 7% of homes nearby

Price per ft²$127
CheaperTypical $185Pricier

Pricier than 14% of homes nearby

Living area858 ft²
SmallerTypical 1,320 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.11 ac
SmallerTypical 0.25 acBigger

Bigger than 8% of homes nearby

Year built1877
OlderTypical 1983Newer

Newer than 3% of homes nearby

How 321 W Main St ranks against every home in each area.
MeasureThis homeMascoutah 62258St. Clair County
Estimated valuepricier than$108,8997% of homes29% of homes
Price per ft²pricier than$12714% of homes41% of homes
Living areabigger than858 ft²13% of homes15% of homes
Lot sizebigger than0.11 ac8% of homes6% of homes
Year builtnewer than18773% of homesalmost no homes

About 321 W Main St

How much is 321 W Main St, Mascoutah, IL worth?

The TopHap Estimate for 321 W Main St, Mascoutah, IL is $108,899 as of Aug 30, 2026. The likely range is $95,952 to $121,846. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 W Main St, Mascoutah, IL last sell?

321 W Main St, Mascoutah, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 321 W Main St, Mascoutah, IL?

321 W Main St, Mascoutah, IL has 2 bathrooms, 858 square feet of living space and a 0.11-acre lot.

When was 321 W Main St, Mascoutah, IL built?

321 W Main St, Mascoutah, IL was built in 1877, making it 149 years old. The building has 1 story.

What schools serve 321 W Main St, Mascoutah, IL?

321 W Main St, Mascoutah, IL is assigned to Mascoutah Elementary School (elementary), rated A; Mascoutah Middle School (middle), rated B-; Mascoutah High School (high), rated A. All sit in Mascoutah Community Unit School District 19. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 W Main St, Mascoutah, IL compare to other homes in Mascoutah 62258?

Among the 3,992 homes in Mascoutah 62258, it is worth more than 7% of them ($108,899 against a typical $250,636), its price per square foot is higher than 14% of them ($127 against a typical $185), it is bigger than 13% of them (858 ft² against a typical 1,320 ft²), its lot is bigger than 8% of them (0.11 ac against a typical 0.25 ac) and it is newer than 3% of them (1877 against a typical 1983). Measured against all of St. Clair 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 321 W Main St, Mascoutah, IL?

The 2025 property tax bill for 321 W Main St, Mascoutah, IL was $3,084. The county assessed it at $42,664.

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