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Single Family ResidenceResidential
$88,785$66 / 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 91How 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 $49,900 on May 6, 1999

9805 OLYMPIA ST

BELLEVILLE, IL 62223
2
Baths
1,342 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1942
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$89K
$81K low$97K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$49,900 · May 6, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,903 (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.$19,826 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,671
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$13,155
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$18,690
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$59,478

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.
15
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.
74
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
8
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.0.27
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 · 142 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
Signal Hill Elementary SchoolC
Elementary · Grades PK–8 · 0.3 mi

District: Signal Hill School District 181

Neighborhood · ZIP 62223These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.161

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.16,698
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.660 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,975
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,011
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

9805 Olympia 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 Belleville 62223
  • Costs less per square foot than 98% of homes in Belleville 62223
  • Older than 83% of homes in Belleville 62223

What homes are worth in Belleville 62223

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

This home
$64K$526K

This home is worth more than 7% of homes in Belleville 62223.

How it measures up in Belleville 62223

The dot is this home. The mark in the middle is the typical home in Belleville 62223.

Estimated value$88,785
CheaperTypical $172,049Pricier

Pricier than 7% of homes nearby

Price per ft²$66
CheaperTypical $137Pricier

Pricier than 2% of homes nearby

Living area1,342 ft²
SmallerTypical 1,247 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.27 ac
SmallerTypical 0.3 acBigger

Bigger than 41% of homes nearby

Year built1942
OlderTypical 1959Newer

Newer than 17% of homes nearby

How 9805 Olympia St ranks against every home in each area.
MeasureThis homeBelleville 62223St. Clair County
Estimated valuepricier than$88,7857% of homes21% of homes
Price per ft²pricier than$662% of homes15% of homes
Living areabigger than1,342 ft²59% of homes64% of homes
Lot sizebigger than0.27 ac41% of homes55% of homes
Year builtnewer than194217% of homes22% of homes

About 9805 Olympia St

How much is 9805 Olympia St, Belleville, IL worth?

The TopHap Estimate for 9805 Olympia St, Belleville, IL is $88,785 as of Sep 24, 2026. The likely range is $80,726 to $96,844. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9805 Olympia St, Belleville, IL last sell?

9805 Olympia St, Belleville, IL last sold on May 6, 1999 for $49,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9805 Olympia St, Belleville, IL?

9805 Olympia St, Belleville, IL has 2 bathrooms, 1,342 square feet of living space and a 0.27-acre lot.

When was 9805 Olympia St, Belleville, IL built?

9805 Olympia St, Belleville, IL was built in 1942, making it 84 years old. The building has 1 story.

What schools serve 9805 Olympia St, Belleville, IL?

9805 Olympia St, Belleville, IL is assigned to Signal Hill Elementary School (elementary), rated C. All sit in Signal Hill School District 181. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9805 Olympia St, Belleville, IL compare to other homes in Belleville 62223?

Among the 6,684 homes in Belleville 62223, it is worth more than 7% of them ($88,785 against a typical $172,049), its price per square foot is higher than 2% of them ($66 against a typical $137), it is bigger than 59% of them (1,342 ft² against a typical 1,247 ft²), its lot is bigger than 41% of them (0.27 ac against a typical 0.3 ac) and it is newer than 17% of them (1942 against a typical 1959). 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 9805 Olympia St, Belleville, IL?

The 2025 property tax bill for 9805 Olympia St, Belleville, IL was $1,903. The county assessed it at $19,826.

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