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Single Family ResidenceResidential
$117,673$109 / 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 93How 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

18 MARS DR

BELLEVILLE, IL 62226
2
Baths
1,082 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.
1958
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

$118K
$110K low$125K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,388 (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.$48,642 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,480
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,162
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$43,873
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$145,926

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.Masonry/Concrete Masonry Units (Cmus)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 380 ft²Patio · 380 ft²

Transaction History(5)

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(1)

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%

Owner Tools

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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

18 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 79% of homes in Belleville 62226
  • Costs less per square foot than 82% of homes in Belleville 62226
  • Has a smaller lot than 65% 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
$66K$544K

This home is worth more than 21% 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$117,673
CheaperTypical $174,775Pricier

Pricier than 21% of homes nearby

Price per ft²$109
CheaperTypical $139Pricier

Pricier than 18% of homes nearby

Living area1,082 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.21 ac
SmallerTypical 0.24 acBigger

Bigger than 35% of homes nearby

Year built1958
OlderTypical 1965Newer

Newer than 42% of homes nearby

How 18 Mars Dr ranks against every home in each area.
MeasureThis homeBelleville 62226St. Clair County
Estimated valuepricier than$117,67321% of homes31% of homes
Price per ft²pricier than$10918% of homes29% of homes
Living areabigger than1,082 ft²36% of homes41% of homes
Lot sizebigger than0.21 ac35% of homes39% of homes
Year builtnewer than195842% of homes42% of homes

About 18 Mars Dr

How much is 18 Mars Dr, Belleville, IL worth?

The TopHap Estimate for 18 Mars Dr, Belleville, IL is $117,673 as of Sep 24, 2026. The likely range is $110,007 to $125,339. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Mars Dr, Belleville, IL last sell?

18 Mars Dr, Belleville, IL last sold on Sep 2, 2014, according to the county's recorded deed.

How big is 18 Mars Dr, Belleville, IL?

18 Mars Dr, Belleville, IL has 2 bathrooms, 1,082 square feet of living space and a 0.21-acre lot.

When was 18 Mars Dr, Belleville, IL built?

18 Mars Dr, Belleville, IL was built in 1958, making it 68 years old. The building has 1 story.

What schools serve 18 Mars Dr, Belleville, IL?

18 Mars Dr, Belleville, 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 18 Mars Dr, Belleville, IL compare to other homes in Belleville 62226?

Among the 10,288 homes in Belleville 62226, it is worth more than 21% of them ($117,673 against a typical $174,775), its price per square foot is higher than 18% of them ($109 against a typical $139), it is bigger than 36% of them (1,082 ft² against a typical 1,232 ft²), its lot is bigger than 35% of them (0.21 ac against a typical 0.24 ac) and it is newer than 42% of them (1958 against a typical 1965). Measured against all of St. Clair County, it is worth more than 31% 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 18 Mars Dr, Belleville, IL?

The 2025 property tax bill for 18 Mars Dr, Belleville, IL was $3,388. The county assessed it at $48,642.

More homes on Mars Dr

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Assigned schools

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