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Single Family ResidenceResidential
$61,398$58 / 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 90How 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
Last sold for $82,500 on Apr 29, 2014

21 MARS DR

SWANSEA, IL 62226
0
Baths
1,056 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$61K
$56K low$67K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$82,500 · Apr 29, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,815 (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.$41,020 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,626
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$33,394
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$32,882
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$123,060

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.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
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.
72
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
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.0.21
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
PoolWhether the property has a pool, and what kind, such as in-ground.No

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(2)

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

E
Wolf Branch Elementary SchoolA
Elementary · Grades PK–4 · 0.2 mi
M
Wolf Branch Middle SchoolA-
Middle · Grades 5–8 · 0.5 mi

District: Wolf Branch School District 113

Neighborhood · ZIP 62226These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.158

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.91%
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.12%
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.27,353
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,246 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,844
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,906
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

21 Mars Dr 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 97% of homes in Belleville 62226
  • Costs less per square foot than 98% of homes in Belleville 62226
  • Smaller than 66% of homes in Belleville 62226

What homes are worth in Belleville 62226

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

This home
$54K$551K

This home is worth more than 3% of homes in Belleville 62226.

How it measures up in Belleville 62226

The dot is this home. The mark in the middle is the typical home in Belleville 62226.

Estimated value$61,398
CheaperTypical $168,604Pricier

Pricier than 3% of homes nearby

Price per ft²$58
CheaperTypical $137Pricier

Pricier than 2% of homes nearby

Living area1,056 ft²
SmallerTypical 1,224 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.21 ac
SmallerTypical 0.24 acBigger

Bigger than 36% of homes nearby

Year built1959
OlderTypical 1965Newer

Newer than 44% of homes nearby

How 21 Mars Dr ranks against every home in each area.
MeasureThis homeBelleville 62226St. Clair County
Estimated valuepricier than$61,3983% of homes15% of homes
Price per ft²pricier than$582% of homes14% of homes
Living areabigger than1,056 ft²34% of homes38% of homes
Lot sizebigger than0.21 ac36% of homes39% of homes
Year builtnewer than195944% of homes44% of homes

About 21 Mars Dr

How much is 21 Mars Dr, Swansea, IL worth?

The TopHap Estimate for 21 Mars Dr, Swansea, IL is $61,398 as of Aug 30, 2026. The likely range is $55,500 to $67,296. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Mars Dr, Swansea, IL last sell?

21 Mars Dr, Swansea, IL last sold on Apr 29, 2014 for $82,500, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 21 Mars Dr, Swansea, IL?

21 Mars Dr, Swansea, IL has 1,056 square feet of living space and a 0.21-acre lot.

When was 21 Mars Dr, Swansea, IL built?

21 Mars Dr, Swansea, IL was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 21 Mars Dr, Swansea, IL?

21 Mars Dr, Swansea, IL is assigned to Wolf Branch Elementary School (elementary), rated A; Wolf Branch Middle School (middle), rated A-. All sit in Wolf Branch School District 113. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Mars Dr, Swansea, IL compare to other homes in Belleville 62226?

Among the 10,254 homes in Belleville 62226, it is worth more than 3% of them ($61,398 against a typical $168,604), its price per square foot is higher than 2% of them ($58 against a typical $137), it is bigger than 34% of them (1,056 ft² against a typical 1,224 ft²), its lot is bigger than 36% of them (0.21 ac against a typical 0.24 ac) and it is newer than 44% of them (1959 against a typical 1965). Measured against all of St. Clair County, it is worth more than 15% 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 21 Mars Dr, Swansea, IL?

The 2024 property tax bill for 21 Mars Dr, Swansea, IL was $2,815. The county assessed it at $41,020.

More homes on Mars Dr

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Assigned schools

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