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Single Family ResidentialResidential
$406,873
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 79How 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

425 S CALKEY ST

DIAMOND, IL 60416
0
Baths
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$407K
$321K low$493K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,043 (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.$124,404 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,694
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$108,710
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$117,919
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$373,212

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.13 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.0.32
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 · 2.6 mi
M
Coal City Middle SchoolA-
Middle · Grades 6–8 · 2.8 mi
E
Coal City Early Childhood Center
Elementary · Grades PK–1 · 3.0 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

425 S Calkey 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 more than 81% 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
$141K$748K

This home is worth more than 81% 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$406,873
CheaperTypical $287,477Pricier

Pricier than 81% of homes nearby

Lot size0.32 ac
SmallerTypical 0.28 acBigger

Bigger than 62% of homes nearby

How 425 S Calkey St ranks against every home in each area.
MeasureThis homeCoal City 60416Grundy County
Estimated valuepricier than$406,87381% of homes72% of homes
Lot sizebigger than0.32 ac62% of homes57% of homes

About 425 S Calkey St

How much is 425 S Calkey St, Diamond, IL worth?

The TopHap Estimate for 425 S Calkey St, Diamond, IL is $406,873 as of Aug 30, 2026. The likely range is $321,039 to $492,707. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 425 S Calkey St, Diamond, IL last sell?

425 S Calkey St, Diamond, IL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 425 S Calkey St, Diamond, IL?

425 S Calkey 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 425 S Calkey 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 81% of them ($406,873 against a typical $287,477) and its lot is bigger than 62% of them (0.32 ac against a typical 0.28 ac). Measured against all of Grundy County, it is worth more than 72% 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 425 S Calkey St, Diamond, IL?

The 2025 property tax bill for 425 S Calkey St, Diamond, IL was $7,043. The county assessed it at $124,404.

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Assigned schools

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