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Single Family ResidenceResidential
$98,719$80 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $38,500 on Aug 14, 2026

504 S DUNCAN ST

MARION, IL 62959
0
Baths
1,231 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.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$99K
$89K 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.$38,500 · Aug 14, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,435 (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.$19,685 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,955
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$14,730
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$16,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$59,055

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWILLIAMSON
Lot (acres)The size of the land the home sits on, from county records.0.26
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.Gas
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.Porch · 40 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

M
Marion Jr High SchoolC+
Middle · Grades 6–8 · 0.4 mi
H
Marion High SchoolC-
High · Grades 9–12 · 0.8 mi
E
Lincoln Elementary SchoolA-
Elementary · Grades KG–5 · 1.6 mi

District: Marion Community Unit School District 2

Neighborhood · ZIP 62959These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.283

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
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.1.4%
PopulationHow many people live in this area.27,489
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.191 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,924
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,689
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

504 S Duncan 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 80% of homes in Marion 62959
  • Costs less per square foot than 85% of homes in Marion 62959
  • Smaller than 69% of homes in Marion 62959
  • Has a smaller lot than 67% of homes in Marion 62959
  • Older than 66% of homes in Marion 62959

What homes are worth in Marion 62959

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

This home
$45K$530K

This home is worth more than 20% of homes in Marion 62959.

How it measures up in Marion 62959

The dot is this home. The mark in the middle is the typical home in Marion 62959.

Estimated value$98,719
CheaperTypical $167,037Pricier

Pricier than 20% of homes nearby

Price per ft²$80
CheaperTypical $120Pricier

Pricier than 15% of homes nearby

Living area1,231 ft²
SmallerTypical 1,508 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.26 ac
SmallerTypical 0.36 acBigger

Bigger than 33% of homes nearby

Year built1950
OlderTypical 1971Newer

Newer than 34% of homes nearby

How 504 S Duncan St ranks against every home in each area.
MeasureThis homeMarion 62959Williamson County
Estimated valuepricier than$98,71920% of homes35% of homes
Price per ft²pricier than$8015% of homes30% of homes
Living areabigger than1,231 ft²31% of homes34% of homes
Lot sizebigger than0.26 ac33% of homes38% of homes
Year builtnewer than195034% of homes40% of homes

About 504 S Duncan St

How much is 504 S Duncan St, Marion, IL worth?

The TopHap Estimate for 504 S Duncan St, Marion, IL is $98,719 as of Oct 21, 2026. The likely range is $88,917 to $108,521. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 504 S Duncan St, Marion, IL last sell?

504 S Duncan St, Marion, IL last sold on Aug 14, 2026 for $38,500, according to the county's recorded deed.

How big is 504 S Duncan St, Marion, IL?

504 S Duncan St, Marion, IL has 1,231 square feet of living space and a 0.26-acre lot.

When was 504 S Duncan St, Marion, IL built?

504 S Duncan St, Marion, IL was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 504 S Duncan St, Marion, IL?

504 S Duncan St, Marion, IL is assigned to Marion Jr High School (middle), rated C+; Marion High School (high), rated C-; Lincoln Elementary School (elementary), rated A-. All sit in Marion Community Unit School District 2. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 504 S Duncan St, Marion, IL compare to other homes in Marion 62959?

Among the 11,292 homes in Marion 62959, it is worth more than 20% of them ($98,719 against a typical $167,037), its price per square foot is higher than 15% of them ($80 against a typical $120), it is bigger than 31% of them (1,231 ft² against a typical 1,508 ft²), its lot is bigger than 33% of them (0.26 ac against a typical 0.36 ac) and it is newer than 34% of them (1950 against a typical 1971). Measured against all of Williamson County, it is worth more than 35% 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 504 S Duncan St, Marion, IL?

The 2025 property tax bill for 504 S Duncan St, Marion, IL was $1,435. The county assessed it at $19,685.

More homes on S Duncan St

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Assigned schools

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