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Single Family ResidenceResidential
$128,854$106 / 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 60How 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

16 KNOLLWOOD DR

BELLEVILLE, IL 62223
3
Baths
1,215 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.

Valuation

$129K
$78K low$180K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,507 (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.$48,261 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,274
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,987
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,691
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$144,783

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.46
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.10 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
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyST. CLAIR
Lot (acres)The size of the land the home sits on, from county records.0.26
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 504 ft²Shed · 80 ft²Patio · 504 ft²

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

M
Emge Junior High SchoolC+
Middle · Grades 7–8 · 1.7 mi
E
Ellis Elementary SchoolD+
Elementary · Grades PK–3 · 2.5 mi

District: Harmony Emge School District 175

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

16 Knollwood 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 73% of homes in Belleville 62223
  • Costs less per square foot than 76% of homes in Belleville 62223
  • Newer than 79% 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
$61K$505K

This home is worth more than 27% 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$128,854
CheaperTypical $171,418Pricier

Pricier than 27% of homes nearby

Price per ft²$106
CheaperTypical $137Pricier

Pricier than 24% of homes nearby

Living area1,215 ft²
SmallerTypical 1,242 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.26 ac
SmallerTypical 0.3 acBigger

Bigger than 41% of homes nearby

Year built1977
OlderTypical 1959Newer

Newer than 79% of homes nearby

How 16 Knollwood Dr ranks against every home in each area.
MeasureThis homeBelleville 62223St. Clair County
Estimated valuepricier than$128,85427% of homes34% of homes
Price per ft²pricier than$10624% of homes28% of homes
Living areabigger than1,215 ft²48% of homes53% of homes
Lot sizebigger than0.26 ac41% of homes55% of homes
Year builtnewer than197779% of homes60% of homes

About 16 Knollwood Dr

How much is 16 Knollwood Dr, Belleville, IL worth?

The TopHap Estimate for 16 Knollwood Dr, Belleville, IL is $128,854 as of Sep 24, 2026. The likely range is $77,943 to $179,765. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 16 Knollwood Dr, Belleville, IL last sell?

16 Knollwood Dr, Belleville, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 16 Knollwood Dr, Belleville, IL?

16 Knollwood Dr, Belleville, IL has 3 bathrooms, 1,215 square feet of living space and a 0.26-acre lot.

When was 16 Knollwood Dr, Belleville, IL built?

16 Knollwood Dr, Belleville, IL was built in 1977, making it 49 years old. It is a split level home.

What schools serve 16 Knollwood Dr, Belleville, IL?

16 Knollwood Dr, Belleville, IL is assigned to Emge Junior High School (middle), rated C+; Ellis Elementary School (elementary), rated D+. All sit in Harmony Emge School District 175. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 16 Knollwood Dr, Belleville, IL compare to other homes in Belleville 62223?

Among the 6,684 homes in Belleville 62223, it is worth more than 27% of them ($128,854 against a typical $171,418), its price per square foot is higher than 24% of them ($106 against a typical $137), it is bigger than 48% of them (1,215 ft² against a typical 1,242 ft²), its lot is bigger than 41% of them (0.26 ac against a typical 0.3 ac) and it is newer than 79% of them (1977 against a typical 1959). Measured against all of St. Clair County, it is worth more than 34% 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 16 Knollwood Dr, Belleville, IL?

The 2025 property tax bill for 16 Knollwood Dr, Belleville, IL was $3,507. The county assessed it at $48,261.

More homes on Knollwood Dr

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Assigned schools

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