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Single Family ResidenceResidential
$199,893$278 / 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 63How 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

3773 MASCOUTAH AVE

BELLEVILLE, IL 62221
0
Baths
720 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.
18.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1838
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$200K
$125K low$275K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,042 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$59,520 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,483
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$44,037
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$54,328

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.47
50
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.
82
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
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.14 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.1985
Lot (acres)The size of the land the home sits on, from county records.18.36
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
HeatingThe type of heating system in the home.None
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Mascoutah High SchoolA
High · Grades 9–12 · 3.1 mi
E
Mascoutah Elementary SchoolA
Elementary · Grades PK–5 · 3.7 mi
M
Mascoutah Middle SchoolB-
Middle · Grades 6–8 · 3.8 mi

District: Mascoutah Community Unit School District 19

Neighborhood · ZIP 62221These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.163

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.30,133
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.851 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,289
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,239
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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

3773 Mascoutah Ave 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 65% of homes in Belleville 62221
  • Costs more per square foot than 88% of homes in St. Clair County
  • Smaller than 94% of homes in Belleville 62221
  • Among the largest lots in Belleville 62221
  • Among the oldest homes in Belleville 62221

What homes are worth in Belleville 62221

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

This home
$78K$549K

This home is worth more than 35% of homes in Belleville 62221.

How it measures up in Belleville 62221

The dot is this home. The mark in the middle is the typical home in Belleville 62221.

Estimated value$199,893
CheaperTypical $243,307Pricier

Pricier than 35% of homes nearby

Price per ft²$278
CheaperTypical $170Pricier

Pricier than 85% of homes nearby

Living area720 ft²
SmallerTypical 1,313 ft²Bigger

Bigger than 6% of homes nearby

Lot size18.36 ac
SmallerTypical 0.25 acBigger

Bigger than almost all homes nearby

Year built1838
OlderTypical 1987Newer

Older than almost all homes nearby

How 3773 Mascoutah Ave ranks against every home in each area.
MeasureThis homeBelleville 62221St. Clair County
Estimated valuepricier than$199,89335% of homes56% of homes
Price per ft²pricier than$27885% of homes88% of homes
Living areabigger than720 ft²6% of homes7% of homes
Lot sizebigger than18.36 acalmost all homes98% of homes
Year builtnewer than1838almost no homesalmost no homes

About 3773 Mascoutah Ave

How much is 3773 Mascoutah Ave, Belleville, IL worth?

The TopHap Estimate for 3773 Mascoutah Ave, Belleville, IL is $199,893 as of Aug 30, 2026. The likely range is $125,107 to $274,679. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3773 Mascoutah Ave, Belleville, IL last sell?

3773 Mascoutah Ave, Belleville, IL last sold on Jan 24, 2008, according to the county's recorded deed.

How big is 3773 Mascoutah Ave, Belleville, IL?

3773 Mascoutah Ave, Belleville, IL has 720 square feet of living space and a 18.36-acre lot.

When was 3773 Mascoutah Ave, Belleville, IL built?

3773 Mascoutah Ave, Belleville, IL was built in 1838, making it 188 years old. The building has 1 story.

What schools serve 3773 Mascoutah Ave, Belleville, IL?

3773 Mascoutah Ave, Belleville, IL is assigned to Mascoutah High School (high), rated A; Mascoutah Elementary School (elementary), rated A; Mascoutah Middle School (middle), rated B-. All sit in Mascoutah Community Unit School District 19. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3773 Mascoutah Ave, Belleville, IL compare to other homes in Belleville 62221?

Among the 10,156 homes in Belleville 62221, it is worth more than 35% of them ($199,893 against a typical $243,307), its price per square foot is higher than 85% of them ($278 against a typical $170), it is bigger than 6% of them (720 ft² against a typical 1,313 ft²), its lot is bigger than almost all of them (18.36 ac against a typical 0.25 ac) and it is newer than almost none of them (1838 against a typical 1987). Measured against all of St. Clair County, it is worth more than 56% 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 3773 Mascoutah Ave, Belleville, IL?

The 2024 property tax bill for 3773 Mascoutah Ave, Belleville, IL was $3,042. The county assessed it at $59,520.

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