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Single Family ResidenceResidential
$198,812$140 / 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

820 HENRY ST

COLLINSVILLE, IL 62234
2
Beds
2
Baths
1,424 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$199K
$186K low$212K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,317 (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.$52,980 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$45,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$48,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$158,940

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.35
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.
73
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
CountyMADISON
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.1950
Lot (acres)The size of the land the home sits on, from county records.0.30
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(10)

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
Twin Echo Elementary SchoolC-
Elementary · Grades KG–4 · 0.6 mi
H
Collinsville High SchoolC
High · Grades 9–12 · 1.2 mi
M
Collinsville Middle SchoolC-
Middle · Grades 7–8 · 1.4 mi

District: Collinsville Community Unit School District 10

Neighborhood · ZIP 62234These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.156

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.33,419
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.884 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,665
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,576
Average tempThe average temperature here across a full year.55°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

820 Henry 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.

  • Costs less per square foot than 70% of homes in Collinsville 62234
  • Bigger than 76% of homes in Collinsville 62234
  • Older than 82% of homes in Collinsville 62234

What homes are worth in Collinsville 62234

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

This home
$48K$485K

This home is worth more than 52% of homes in Collinsville 62234.

How it measures up in Collinsville 62234

The dot is this home. The mark in the middle is the typical home in Collinsville 62234.

Estimated value$198,812
CheaperTypical $192,952Pricier

Pricier than 52% of homes nearby

Price per ft²$140
CheaperTypical $164Pricier

Pricier than 30% of homes nearby

Living area1,424 ft²
SmallerTypical 1,120 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.3 ac
SmallerTypical 0.28 acBigger

Bigger than 54% of homes nearby

Year built1940
OlderTypical 1965Newer

Newer than 18% of homes nearby

How 820 Henry St ranks against every home in each area.
MeasureThis homeCollinsville 62234Madison County
Estimated valuepricier than$198,81252% of homes52% of homes
Price per ft²pricier than$14030% of homes38% of homes
Living areabigger than1,424 ft²76% of homes72% of homes
Lot sizebigger than0.3 ac54% of homes61% of homes
Year builtnewer than194018% of homes22% of homes

About 820 Henry St

How much is 820 Henry St, Collinsville, IL worth?

The TopHap Estimate for 820 Henry St, Collinsville, IL is $198,812 as of Sep 24, 2026. The likely range is $185,889 to $211,735. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 820 Henry St, Collinsville, IL last sell?

820 Henry St, Collinsville, IL last sold on Nov 8, 2024, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 820 Henry St, Collinsville, IL?

820 Henry St, Collinsville, IL has 2 bedrooms, 2 bathrooms, 1,424 square feet of living space and a 0.30-acre lot.

When was 820 Henry St, Collinsville, IL built?

820 Henry St, Collinsville, IL was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 820 Henry St, Collinsville, IL?

820 Henry St, Collinsville, IL is assigned to Twin Echo Elementary School (elementary), rated C-; Collinsville High School (high), rated C; Collinsville Middle School (middle), rated C-. All sit in Collinsville Community Unit School District 10. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 820 Henry St, Collinsville, IL compare to other homes in Collinsville 62234?

Among the 11,850 homes in Collinsville 62234, it is worth more than 52% of them ($198,812 against a typical $192,952), its price per square foot is higher than 30% of them ($140 against a typical $164), it is bigger than 76% of them (1,424 ft² against a typical 1,120 ft²), its lot is bigger than 54% of them (0.3 ac against a typical 0.28 ac) and it is newer than 18% of them (1940 against a typical 1965). Measured against all of Madison County, it is worth more than 52% 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 820 Henry St, Collinsville, IL?

The 2025 property tax bill for 820 Henry St, Collinsville, IL was $3,317. The county assessed it at $52,980.

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