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Single Family ResidenceResidential
$36,159$54 / 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 $25,500 on Jul 8, 2015

421 E MAIN ST

EAST ALTON, IL 62024
3
Beds
1
Baths
672 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.
4,200 ft²
Lot SizeThe size of the land the home sits on, from county records.
1915
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$36K
$31K low$42K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$25,500 · Jul 8, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,381 (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.$13,320 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,870
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$9,450
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,790
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$39,960

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.43
32
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
82
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
71
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
4
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.32 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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.Conventional
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.1930
Lot (acres)The size of the land the home sits on, from county records.0.10
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
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(4)

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
East Alton Middle SchoolC-
Middle · Grades 6–8 · 0.6 mi
E
Eastwood Elementary SchoolD+
Elementary · Grades KG–5 · 0.7 mi
H
East Alton-Wood River High SchoolD+
High · Grades 9–12 · 1.0 mi

District: East Alton School District 13

Neighborhood · ZIP 62024These 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.137
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.133

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.8,994
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,359 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,636
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$73,586
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.39 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

421 E Main 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 98% of homes in Madison County
  • Costs less per square foot than 96% of homes in Madison County
  • Smaller than 94% of homes in Madison County
  • Has a smaller lot than 97% of homes in Madison County
  • Older than 95% of homes in East Alton 62024

What homes are worth in East Alton 62024

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

This home
$33K$295K

This home is worth more than 3% of homes in East Alton 62024.

How it measures up in East Alton 62024

The dot is this home. The mark in the middle is the typical home in East Alton 62024.

Estimated value$36,159
CheaperTypical $134,715Pricier

Pricier than 3% of homes nearby

Price per ft²$54
CheaperTypical $125Pricier

Pricier than 5% of homes nearby

Living area672 ft²
SmallerTypical 1,040 ft²Bigger

Bigger than 7% of homes nearby

Lot size4,200 ft²
SmallerTypical 0.21 acBigger

Bigger than 4% of homes nearby

Year built1915
OlderTypical 1950Newer

Newer than 5% of homes nearby

How 421 E Main St ranks against every home in each area.
MeasureThis homeEast Alton 62024Madison County
Estimated valuepricier than$36,1593% of homes2% of homes
Price per ft²pricier than$545% of homes4% of homes
Living areabigger than672 ft²7% of homes6% of homes
Lot sizebigger than4,200 ft²4% of homes3% of homes
Year builtnewer than19155% of homes5% of homes

About 421 E Main St

How much is 421 E Main St, East Alton, IL worth?

The TopHap Estimate for 421 E Main St, East Alton, IL is $36,159 as of Sep 24, 2026. The likely range is $30,665 to $41,653. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 E Main St, East Alton, IL last sell?

421 E Main St, East Alton, IL last sold on Jul 8, 2015 for $25,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 421 E Main St, East Alton, IL?

421 E Main St, East Alton, IL has 3 bedrooms, 1 bathrooms, 672 square feet of living space and a 0.10-acre lot.

When was 421 E Main St, East Alton, IL built?

421 E Main St, East Alton, IL was built in 1915, making it 111 years old. It is a conventional home. The building has 1 story.

What schools serve 421 E Main St, East Alton, IL?

421 E Main St, East Alton, IL is assigned to East Alton Middle School (middle), rated C-; Eastwood Elementary School (elementary), rated D+; East Alton-Wood River High School (high), rated D+. All sit in East Alton School District 13. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 E Main St, East Alton, IL compare to other homes in East Alton 62024?

Among the 3,819 homes in East Alton 62024, it is worth more than 3% of them ($36,159 against a typical $134,715), its price per square foot is higher than 5% of them ($54 against a typical $125), it is bigger than 7% of them (672 ft² against a typical 1,040 ft²), its lot is bigger than 4% of them (4,200 ft² against a typical 0.21 ac) and it is newer than 5% of them (1915 against a typical 1950). Measured against all of Madison County, it is worth more than 2% 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 421 E Main St, East Alton, IL?

The 2025 property tax bill for 421 E Main St, East Alton, IL was $1,381. The county assessed it at $13,320.

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