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Single Family ResidentialResidential
$393,018$181 / 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 94How 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 $281,500 on May 14, 2021

310 S CALKEY ST

DIAMOND, IL 60416
3
Beds
2.5
Baths
2,166 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$393K
$371K low$415K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$281,500 · May 14, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,871 (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.$121,383 (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.$105,013
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$115,055
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$364,149

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.3 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.0.43
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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

310 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 77% of homes in Coal City 60416
  • Bigger than 80% of homes in Coal City 60416
  • Has a bigger lot than 81% of homes in Coal City 60416
  • Newer than 73% 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
$143K$765K

This home is worth more than 77% 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$393,018
CheaperTypical $288,579Pricier

Pricier than 77% of homes nearby

Price per ft²$181
CheaperTypical $187Pricier

Pricier than 43% of homes nearby

Living area2,166 ft²
SmallerTypical 1,511 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.43 ac
SmallerTypical 0.28 acBigger

Bigger than 81% of homes nearby

Year built2001
OlderTypical 1985Newer

Newer than 73% of homes nearby

How 310 S Calkey St ranks against every home in each area.
MeasureThis homeCoal City 60416Grundy County
Estimated valuepricier than$393,01877% of homes69% of homes
Price per ft²pricier than$18143% of homes45% of homes
Living areabigger than2,166 ft²80% of homes73% of homes
Lot sizebigger than0.43 ac81% of homes71% of homes
Year builtnewer than200173% of homes67% of homes

About 310 S Calkey St

How much is 310 S Calkey St, Diamond, IL worth?

The TopHap Estimate for 310 S Calkey St, Diamond, IL is $393,018 as of Sep 24, 2026. The likely range is $370,707 to $415,329. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 310 S Calkey St, Diamond, IL last sell?

310 S Calkey St, Diamond, IL last sold on May 14, 2021 for $281,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 310 S Calkey St, Diamond, IL?

310 S Calkey St, Diamond, IL has 3 bedrooms, 2.5 bathrooms, 2,166 square feet of living space and a 0.43-acre lot.

When was 310 S Calkey St, Diamond, IL built?

310 S Calkey St, Diamond, IL was built in 2001, making it 25 years old. The building has 2 stories.

What schools serve 310 S Calkey St, Diamond, IL?

310 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 310 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 77% of them ($393,018 against a typical $288,579), its price per square foot is higher than 43% of them ($181 against a typical $187), it is bigger than 80% of them (2,166 ft² against a typical 1,511 ft²), its lot is bigger than 81% of them (0.43 ac against a typical 0.28 ac) and it is newer than 73% of them (2001 against a typical 1985). Measured against all of Grundy County, it is worth more than 69% 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 310 S Calkey St, Diamond, IL?

The 2025 property tax bill for 310 S Calkey St, Diamond, IL was $6,871. The county assessed it at $121,383.

More homes on S Calkey St

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