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Single Family ResidenceResidential
$559,787$164 / 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 95How 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 $345,890 on Oct 24, 2002

21 THORNHILL CT

CARY, IL 60013
4
Beds
3
Baths
3,420 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$560K
$529K low$591K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$345,890 · Oct 24, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,102 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$151,710 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$125,810
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$135,685
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$455,130

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.18 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 Residence
CountyMcHenry
HeatingThe type of heating system in the home.Forced Air

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

M
Cary Junior High SchoolB+
Middle · Grades 6–8 · 0.3 mi
E
Deer Path Elementary SchoolB
Elementary · Grades 1–5 · 0.4 mi
H
Cary-Grove High SchoolA+
High · Grades 9–12 · 0.8 mi

District: Community High School District 155

Neighborhood · ZIP 60013These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
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.25,325
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,673 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$120,918
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$143,697
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

21 Thornhill Ct 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 87% of homes in McHenry County
  • Costs less per square foot than 91% of homes in Cary 60013
  • Bigger than 93% of homes in McHenry County
  • Has a bigger lot than 65% of homes in Cary 60013
  • Newer than 91% of homes in Cary 60013

What homes are worth in Cary 60013

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

This home
$211K$824K

This home is worth more than 85% of homes in Cary 60013.

How it measures up in Cary 60013

The dot is this home. The mark in the middle is the typical home in Cary 60013.

Estimated value$559,787
CheaperTypical $384,514Pricier

Pricier than 85% of homes nearby

Price per ft²$164
CheaperTypical $209Pricier

Pricier than 9% of homes nearby

Living area3,420 ft²
SmallerTypical 1,829 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.3 ac
SmallerTypical 0.25 acBigger

Bigger than 65% of homes nearby

Year built2002
OlderTypical 1987Newer

Newer than 91% of homes nearby

How 21 Thornhill Ct ranks against every home in each area.
MeasureThis homeCary 60013McHenry County
Estimated valuepricier than$559,78785% of homes87% of homes
Price per ft²pricier than$1649% of homes13% of homes
Living areabigger than3,420 ft²92% of homes93% of homes
Lot sizebigger than0.3 ac65% of homes59% of homes
Year builtnewer than200291% of homes84% of homes

About 21 Thornhill Ct

How much is 21 Thornhill Ct, Cary, IL worth?

The TopHap Estimate for 21 Thornhill Ct, Cary, IL is $559,787 as of Aug 30, 2026. The likely range is $529,051 to $590,523. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Thornhill Ct, Cary, IL last sell?

21 Thornhill Ct, Cary, IL last sold on Oct 24, 2002 for $345,890, according to the county's recorded deed.

How big is 21 Thornhill Ct, Cary, IL?

21 Thornhill Ct, Cary, IL has 4 bedrooms, 3 bathrooms and 3,420 square feet of living space.

When was 21 Thornhill Ct, Cary, IL built?

21 Thornhill Ct, Cary, IL was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 21 Thornhill Ct, Cary, IL?

21 Thornhill Ct, Cary, IL is assigned to Cary Junior High School (middle), rated B+; Deer Path Elementary School (elementary), rated B; Cary-Grove High School (high), rated A+. All sit in Community High School District 155. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Thornhill Ct, Cary, IL compare to other homes in Cary 60013?

Among the 9,586 homes in Cary 60013, it is worth more than 85% of them ($559,787 against a typical $384,514), its price per square foot is higher than 9% of them ($164 against a typical $209), it is bigger than 92% of them (3,420 ft² against a typical 1,829 ft²), its lot is bigger than 65% of them (0.3 ac against a typical 0.25 ac) and it is newer than 91% of them (2002 against a typical 1987). Measured against all of McHenry County, it is worth more than 87% 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 21 Thornhill Ct, Cary, IL?

The 2024 property tax bill for 21 Thornhill Ct, Cary, IL was $14,102. The county assessed it at $151,710.

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Assigned schools

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