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Single Family ResidentialResidential
$385,151$187 / 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 96How 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
Last sold for $296,500 on Jan 4, 2021

420 S CALKEY ST

DIAMOND, IL 60416
0
Baths
2,065 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.

Valuation

$385K
$369K low$401K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$296,500 · Jan 4, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,450 (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.$113,937 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,370
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$97,567
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$107,998
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$341,811

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.9 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.0.31
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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

420 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 76% of homes in Coal City 60416
  • Bigger than 77% of homes in Coal City 60416
  • Newer than 92% of homes in Grundy County

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 76% 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$385,151
CheaperTypical $287,477Pricier

Pricier than 76% of homes nearby

Price per ft²$187
CheaperTypical $187Pricier

Pricier than 50% of homes nearby

Living area2,065 ft²
SmallerTypical 1,511 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.31 ac
SmallerTypical 0.28 acBigger

Bigger than 62% of homes nearby

Year built2008
OlderTypical 1984Newer

Newer than 90% of homes nearby

How 420 S Calkey St ranks against every home in each area.
MeasureThis homeCoal City 60416Grundy County
Estimated valuepricier than$385,15176% of homes66% of homes
Price per ft²pricier than$18750% of homes50% of homes
Living areabigger than2,065 ft²77% of homes70% of homes
Lot sizebigger than0.31 ac62% of homes57% of homes
Year builtnewer than200890% of homes92% of homes

About 420 S Calkey St

How much is 420 S Calkey St, Diamond, IL worth?

The TopHap Estimate for 420 S Calkey St, Diamond, IL is $385,151 as of Aug 30, 2026. The likely range is $369,496 to $400,806. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 S Calkey St, Diamond, IL last sell?

420 S Calkey St, Diamond, IL last sold on Jan 4, 2021 for $296,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 420 S Calkey St, Diamond, IL?

420 S Calkey St, Diamond, IL has 2,065 square feet of living space and a 0.31-acre lot.

When was 420 S Calkey St, Diamond, IL built?

420 S Calkey St, Diamond, IL was built in 2008, making it 18 years old.

What schools serve 420 S Calkey St, Diamond, IL?

420 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 420 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 76% of them ($385,151 against a typical $287,477), its price per square foot is higher than 50% of them ($187 against a typical $187), it is bigger than 77% of them (2,065 ft² against a typical 1,511 ft²), its lot is bigger than 62% of them (0.31 ac against a typical 0.28 ac) and it is newer than 90% of them (2008 against a typical 1984). Measured against all of Grundy County, it is worth more than 66% 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 420 S Calkey St, Diamond, IL?

The 2025 property tax bill for 420 S Calkey St, Diamond, IL was $6,450. The county assessed it at $113,937.

More homes on S Calkey St

Closest homes

More homes in Diamond 60416

Assigned schools

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