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Single Family ResidentialResidential
$241,830$188 / 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 92How 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

1850 E STELLON ST

DIAMOND, IL 60416
0
Baths
1,288 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.

Valuation

$242K
$222K low$261K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,537 (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.$77,538 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,877
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$60,661
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$71,464
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$232,614

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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 Residential
CountyGRUNDY
Lot (acres)The size of the land the home sits on, from county records.0.38
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

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

H
Coal City High SchoolB+
High · Grades 9–12 · 2.3 mi
M
Coal City Middle SchoolA+
Middle · Grades 6–8 · 2.5 mi
E
Coal City Early Childhood Center
Elementary · Grades PK–1 · 2.7 mi

District: Coal City Community Unit School District 1

Neighborhood · ZIP 60416These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.71
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.95%
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.5.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.9,053
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.394 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,292
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,300
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

1850 E Stellon 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 74% of homes in Grundy County
  • Smaller than 72% of homes in Grundy County
  • Has a bigger lot than 76% of homes in Coal City 60416

What homes are worth in Coal City 60416

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

This home
$133K$711K

This home is worth more than 33% of homes in Coal City 60416.

How it measures up in Coal City 60416

The dot is this home. The mark in the middle is the typical home in Coal City 60416.

Estimated value$241,830
CheaperTypical $281,824Pricier

Pricier than 33% of homes nearby

Price per ft²$188
CheaperTypical $184Pricier

Pricier than 54% of homes nearby

Living area1,288 ft²
SmallerTypical 1,511 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.38 ac
SmallerTypical 0.28 acBigger

Bigger than 76% of homes nearby

Year built1974
OlderTypical 1984Newer

Newer than 40% of homes nearby

How 1850 E Stellon St ranks against every home in each area.
MeasureThis homeCoal City 60416Grundy County
Estimated valuepricier than$241,83033% of homes26% of homes
Price per ft²pricier than$18854% of homes52% of homes
Living areabigger than1,288 ft²35% of homes28% of homes
Lot sizebigger than0.38 ac76% of homes68% of homes
Year builtnewer than197440% of homes36% of homes

About 1850 E Stellon St

How much is 1850 E Stellon St, Diamond, IL worth?

The TopHap Estimate for 1850 E Stellon St, Diamond, IL is $241,830 as of Oct 21, 2026. The likely range is $222,230 to $261,430. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1850 E Stellon St, Diamond, IL last sell?

1850 E Stellon St, Diamond, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1850 E Stellon St, Diamond, IL?

1850 E Stellon St, Diamond, IL has 1,288 square feet of living space and a 0.38-acre lot.

When was 1850 E Stellon St, Diamond, IL built?

1850 E Stellon St, Diamond, IL was built in 1974, making it 52 years old.

What schools serve 1850 E Stellon St, Diamond, IL?

1850 E Stellon St, Diamond, IL is assigned to Coal City High School (high), rated B+; Coal City Middle School (middle), rated A+; Coal City Early Childhood Center (elementary). All sit in Coal City Community Unit School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1850 E Stellon St, Diamond, IL compare to other homes in Coal City 60416?

Among the 3,411 homes in Coal City 60416, it is worth more than 33% of them ($241,830 against a typical $281,824), its price per square foot is higher than 54% of them ($188 against a typical $184), it is bigger than 35% of them (1,288 ft² against a typical 1,511 ft²), its lot is bigger than 76% of them (0.38 ac against a typical 0.28 ac) and it is newer than 40% of them (1974 against a typical 1984). Measured against all of Grundy County, it is worth more than 26% 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 1850 E Stellon St, Diamond, IL?

The 2025 property tax bill for 1850 E Stellon St, Diamond, IL was $4,537. The county assessed it at $77,538.

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