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Single Family ResidenceResidential
$447,699$179 / 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 97How 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 $349,000 on Jun 15, 2021

638 KNOLLWOOD DR

CARY, IL 60013
4
Beds
3
Baths
2,502 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.
0.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$448K
$433K low$462K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$349,000 · Jun 15, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,136 (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.$128,357 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,353
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$117,004
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$114,799
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$385,071

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyMcHenry
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

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.

E
Briargate Elementary SchoolB
Elementary · Grades 1–5 · 1.3 mi
H
Cary-Grove High SchoolA-
High · Grades 9–12 · 2.4 mi
M
Cary Junior High SchoolB
Middle · Grades 6–8 · 2.9 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

638 Knollwood Dr 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 70% of homes in McHenry County
  • Costs less per square foot than 76% of homes in Cary 60013
  • Bigger than 77% of homes in McHenry County
  • Has a bigger lot than 84% 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
$216K$828K

This home is worth more than 68% 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$447,699
CheaperTypical $377,358Pricier

Pricier than 68% of homes nearby

Price per ft²$179
CheaperTypical $205Pricier

Pricier than 24% of homes nearby

Living area2,502 ft²
SmallerTypical 1,872 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.56 ac
SmallerTypical 0.25 acBigger

Bigger than 84% of homes nearby

Year built1989
OlderTypical 1987Newer

Newer than 58% of homes nearby

How 638 Knollwood Dr ranks against every home in each area.
MeasureThis homeCary 60013McHenry County
Estimated valuepricier than$447,69968% of homes70% of homes
Price per ft²pricier than$17924% of homes25% of homes
Living areabigger than2,502 ft²74% of homes77% of homes
Lot sizebigger than0.56 ac84% of homes77% of homes
Year builtnewer than198958% of homes50% of homes

About 638 Knollwood Dr

How much is 638 Knollwood Dr, Cary, IL worth?

The TopHap Estimate for 638 Knollwood Dr, Cary, IL is $447,699 as of Sep 24, 2026. The likely range is $433,204 to $462,194. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 638 Knollwood Dr, Cary, IL last sell?

638 Knollwood Dr, Cary, IL last sold on Jun 15, 2021 for $349,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 638 Knollwood Dr, Cary, IL?

638 Knollwood Dr, Cary, IL has 4 bedrooms, 3 bathrooms and 2,502 square feet of living space.

When was 638 Knollwood Dr, Cary, IL built?

638 Knollwood Dr, Cary, IL was built in 1989, making it 37 years old. It is a colonial home. The building has 2 stories.

What schools serve 638 Knollwood Dr, Cary, IL?

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

How does 638 Knollwood Dr, Cary, IL compare to other homes in Cary 60013?

Among the 9,586 homes in Cary 60013, it is worth more than 68% of them ($447,699 against a typical $377,358), its price per square foot is higher than 24% of them ($179 against a typical $205), it is bigger than 74% of them (2,502 ft² against a typical 1,872 ft²), its lot is bigger than 84% of them (0.56 ac against a typical 0.25 ac) and it is newer than 58% of them (1989 against a typical 1987). Measured against all of McHenry County, it is worth more than 70% 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 638 Knollwood Dr, Cary, IL?

The 2024 property tax bill for 638 Knollwood Dr, Cary, IL was $10,136. The county assessed it at $128,357.

More homes on Knollwood Dr

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