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Single Family ResidenceResidential
$108,685$101 / 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 $10,000 on Sep 12, 2019

509 WILLIAMS ST

BETHALTO, IL 62010
2
Beds
1
Baths
1,080 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$109K
$99K low$118K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$10,000 · Sep 12, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,449 (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.$34,060 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$29,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$31,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$102,180

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.
16
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.
72
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.

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
Lot (acres)The size of the land the home sits on, from county records.0.18
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
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 · 200 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
Bethalto East Primary School
Elementary · Grades PK–1 · 0.9 mi
M
Trimpe Middle SchoolC
Middle · Grades 6–8 · 1.1 mi
H
Civic Memorial High SchoolC+
High · Grades 9–12 · 1.5 mi

District: Bethalto Consolidated Unit School District 8

Neighborhood · ZIP 62010These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.126

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
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.10,805
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.451 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,435
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,888
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

509 Williams 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 92% of homes in Bethalto 62010
  • Costs less per square foot than 95% of homes in Bethalto 62010
  • Has a smaller lot than 78% of homes in Bethalto 62010
  • Older than 81% of homes in Bethalto 62010

What homes are worth in Bethalto 62010

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

This home
$78K$515K

This home is worth more than 8% of homes in Bethalto 62010.

How it measures up in Bethalto 62010

The dot is this home. The mark in the middle is the typical home in Bethalto 62010.

Estimated value$108,685
CheaperTypical $202,457Pricier

Pricier than 8% of homes nearby

Price per ft²$101
CheaperTypical $171Pricier

Pricier than 5% of homes nearby

Living area1,080 ft²
SmallerTypical 1,160 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.18 ac
SmallerTypical 0.26 acBigger

Bigger than 22% of homes nearby

Year built1950
OlderTypical 1971Newer

Newer than 19% of homes nearby

How 509 Williams St ranks against every home in each area.
MeasureThis homeBethalto 62010Madison County
Estimated valuepricier than$108,6858% of homes23% of homes
Price per ft²pricier than$1015% of homes20% of homes
Living areabigger than1,080 ft²43% of homes45% of homes
Lot sizebigger than0.18 ac22% of homes30% of homes
Year builtnewer than195019% of homes33% of homes

About 509 Williams St

How much is 509 Williams St, Bethalto, IL worth?

The TopHap Estimate for 509 Williams St, Bethalto, IL is $108,685 as of Sep 24, 2026. The likely range is $99,145 to $118,225. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Williams St, Bethalto, IL last sell?

509 Williams St, Bethalto, IL last sold on Sep 12, 2019 for $10,000, according to the county's recorded deed.

How big is 509 Williams St, Bethalto, IL?

509 Williams St, Bethalto, IL has 2 bedrooms, 1 bathrooms, 1,080 square feet of living space and a 0.18-acre lot.

When was 509 Williams St, Bethalto, IL built?

509 Williams St, Bethalto, IL was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 509 Williams St, Bethalto, IL?

509 Williams St, Bethalto, IL is assigned to Bethalto East Primary School (elementary); Trimpe Middle School (middle), rated C; Civic Memorial High School (high), rated C+. All sit in Bethalto Consolidated Unit School District 8. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Williams St, Bethalto, IL compare to other homes in Bethalto 62010?

Among the 4,176 homes in Bethalto 62010, it is worth more than 8% of them ($108,685 against a typical $202,457), its price per square foot is higher than 5% of them ($101 against a typical $171), it is bigger than 43% of them (1,080 ft² against a typical 1,160 ft²), its lot is bigger than 22% of them (0.18 ac against a typical 0.26 ac) and it is newer than 19% of them (1950 against a typical 1971). Measured against all of Madison County, it is worth more than 23% 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 509 Williams St, Bethalto, IL?

The 2025 property tax bill for 509 Williams St, Bethalto, IL was $2,449. The county assessed it at $34,060.

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