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Single Family ResidenceResidential
$95,787$81 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $90,000 on Apr 8, 2009

420 STATE ST

DUPO, IL 62239
0
Baths
1,188 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1922
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

$96K
$83K low$109K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$90,000 · Apr 8, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,157 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$30,841 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,758
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$25,083
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$28,657
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$92,523

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.50
86
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.
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.97 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
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.1975
Lot (acres)The size of the land the home sits on, from county records.0.14
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)
HeatingThe type of heating system in the home.None
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.Patio · 112 ft²

Transaction History(7)

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.

M
Dupo Jr. High SchoolA-
Middle · Grades 7–8 · 0.1 mi
H
Dupo Sr. High SchoolD
High · Grades 9–12 · 0.2 mi
E
Bluffview Elementary SchoolB-
Elementary · Grades PK–6 · 0.4 mi

District: Dupo Community Unit School District 196

Neighborhood · ZIP 62239These 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.106
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 100.157

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.2%
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.4,070
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.463 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,871
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,604
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

420 State 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 83% of homes in Dupo 62239
  • Costs less per square foot than 93% of homes in Dupo 62239
  • Has a smaller lot than 91% of homes in St. Clair County
  • Older than 88% of homes in St. Clair County

What homes are worth in Dupo 62239

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

This home
$45K$290K

This home is worth more than 17% of homes in Dupo 62239.

How it measures up in Dupo 62239

The dot is this home. The mark in the middle is the typical home in Dupo 62239.

Estimated value$95,787
CheaperTypical $143,735Pricier

Pricier than 17% of homes nearby

Price per ft²$81
CheaperTypical $133Pricier

Pricier than 7% of homes nearby

Living area1,188 ft²
SmallerTypical 1,092 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.14 ac
SmallerTypical 0.21 acBigger

Bigger than 10% of homes nearby

Year built1922
OlderTypical 1956Newer

Newer than 16% of homes nearby

How 420 State St ranks against every home in each area.
MeasureThis homeDupo 62239St. Clair County
Estimated valuepricier than$95,78717% of homes25% of homes
Price per ft²pricier than$817% of homes20% of homes
Living areabigger than1,188 ft²60% of homes51% of homes
Lot sizebigger than0.14 ac10% of homes9% of homes
Year builtnewer than192216% of homes12% of homes

About 420 State St

How much is 420 State St, Dupo, IL worth?

The TopHap Estimate for 420 State St, Dupo, IL is $95,787 as of Aug 30, 2026. The likely range is $82,717 to $108,857. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 State St, Dupo, IL last sell?

420 State St, Dupo, IL last sold on Apr 8, 2009 for $90,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 420 State St, Dupo, IL?

420 State St, Dupo, IL has 1,188 square feet of living space and a 0.14-acre lot.

When was 420 State St, Dupo, IL built?

420 State St, Dupo, IL was built in 1922, making it 104 years old. The building has 1 story.

What schools serve 420 State St, Dupo, IL?

420 State St, Dupo, IL is assigned to Dupo Jr. High School (middle), rated A-; Dupo Sr. High School (high), rated D; Bluffview Elementary School (elementary), rated B-. All sit in Dupo Community Unit School District 196. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 420 State St, Dupo, IL compare to other homes in Dupo 62239?

Among the 1,729 homes in Dupo 62239, it is worth more than 17% of them ($95,787 against a typical $143,735), its price per square foot is higher than 7% of them ($81 against a typical $133), it is bigger than 60% of them (1,188 ft² against a typical 1,092 ft²), its lot is bigger than 10% of them (0.14 ac against a typical 0.21 ac) and it is newer than 16% of them (1922 against a typical 1956). Measured against all of St. Clair County, it is worth more than 25% 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 420 State St, Dupo, IL?

The 2024 property tax bill for 420 State St, Dupo, IL was $2,157. The county assessed it at $30,841.

More homes on State St

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