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Single Family ResidenceResidential
$90,963$104 / 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 85How 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 $54,500 on Sep 29, 2009

638 UNION AVE

BELLEVILLE, IL 62220
2
Baths
876 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
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

$91K
$78K low$104K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$54,500 · Sep 29, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,159 (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.$24,463 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,877
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,586
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$23,061
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$73,389

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.
73
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.0.17
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)
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.Porch · 144 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
Roosevelt Elementary SchoolB
Elementary · Grades KG–6 · 0.4 mi
M
Central Jr. High SchoolB-
Middle · Grades 7–8 · 1.7 mi

District: Belleville School District 118

Neighborhood · ZIP 62220These 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.107
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 100.165

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.19,239
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.607 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,953
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,713
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

638 Union 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 83% of homes in Belleville 62220
  • Costs less per square foot than 77% of homes in Belleville 62220
  • Smaller than 82% of homes in St. Clair County
  • Has a smaller lot than 77% of homes in St. Clair County
  • Older than 70% of homes in St. Clair County

What homes are worth in Belleville 62220

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

This home
$45K$522K

This home is worth more than 17% of homes in Belleville 62220.

How it measures up in Belleville 62220

The dot is this home. The mark in the middle is the typical home in Belleville 62220.

Estimated value$90,963
CheaperTypical $156,643Pricier

Pricier than 17% of homes nearby

Price per ft²$104
CheaperTypical $141Pricier

Pricier than 23% of homes nearby

Living area876 ft²
SmallerTypical 1,080 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 40% of homes nearby

Year built1952
OlderTypical 1949Newer

Newer than 55% of homes nearby

How 638 Union Ave ranks against every home in each area.
MeasureThis homeBelleville 62220St. Clair County
Estimated valuepricier than$90,96317% of homes21% of homes
Price per ft²pricier than$10423% of homes27% of homes
Living areabigger than876 ft²25% of homes18% of homes
Lot sizebigger than0.17 ac40% of homes23% of homes
Year builtnewer than195255% of homes30% of homes

About 638 Union Ave

How much is 638 Union Ave, Belleville, IL worth?

The TopHap Estimate for 638 Union Ave, Belleville, IL is $90,963 as of Sep 24, 2026. The likely range is $77,525 to $104,401. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 638 Union Ave, Belleville, IL last sell?

638 Union Ave, Belleville, IL last sold on Sep 29, 2009 for $54,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 638 Union Ave, Belleville, IL?

638 Union Ave, Belleville, IL has 2 bathrooms, 876 square feet of living space and a 0.17-acre lot.

When was 638 Union Ave, Belleville, IL built?

638 Union Ave, Belleville, IL was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 638 Union Ave, Belleville, IL?

638 Union Ave, Belleville, IL is assigned to Roosevelt Elementary School (elementary), rated B; Central Jr. High School (middle), rated B-. All sit in Belleville School District 118. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 638 Union Ave, Belleville, IL compare to other homes in Belleville 62220?

Among the 7,472 homes in Belleville 62220, it is worth more than 17% of them ($90,963 against a typical $156,643), its price per square foot is higher than 23% of them ($104 against a typical $141), it is bigger than 25% of them (876 ft² against a typical 1,080 ft²), its lot is bigger than 40% of them (0.17 ac against a typical 0.17 ac) and it is newer than 55% of them (1952 against a typical 1949). Measured against all of St. Clair County, it is worth more than 21% 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 638 Union Ave, Belleville, IL?

The 2025 property tax bill for 638 Union Ave, Belleville, IL was $1,159. The county assessed it at $24,463.

More homes on Union Ave

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Assigned schools

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