Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$351,093$208 / 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 93How 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 $340,000 on Jul 25, 2025

21800 W KNOLLWOOD DR

PLAINFIELD, IL 60544
2.5
Baths
1,692 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1996
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$351K
$325K low$377K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$340,000 · Jul 25, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,391 (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.$115,932 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,596
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$91,336
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$106,899
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$347,796

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
77
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.1 in
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
CountyWILL
Lot (acres)The size of the land the home sits on, from county records.0.14
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
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(6)

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
Lakewood Falls Elementary SchoolC+
Elementary · Grades KG–5 · 0.6 mi
H
Plainfield East High SchoolB-
High · Grades 9–12 · 2.4 mi
M
Indian Trail Middle SchoolB-
Middle · Grades 6–8 · 2.8 mi

District: Plainfield School District 202

Neighborhood · ZIP 60544These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.57

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.31,013
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,220 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,825
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,961
Average tempThe average temperature here across a full year.49°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%

Owner Tools

Do you own this home?
Claim this home

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

21800 W 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.

  • Bigger than 70% of homes in Lakewood Falls
  • Has a smaller lot than 85% of homes in Will County

What homes are worth in Plainfield 60544

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

This home
$234K$703K

This home is worth more than 41% of homes in Plainfield 60544.

How it measures up in Plainfield 60544

The dot is this home. The mark in the middle is the typical home in Plainfield 60544.

Estimated value$351,093
CheaperTypical $375,520Pricier

Pricier than 41% of homes nearby

Price per ft²$208
CheaperTypical $208Pricier

Pricier than 50% of homes nearby

Living area1,692 ft²
SmallerTypical 1,760 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.14 ac
SmallerTypical 0.21 acBigger

Bigger than 28% of homes nearby

Year built1996
OlderTypical 1997Newer

Newer than 42% of homes nearby

How 21800 W Knollwood Dr ranks against every home in each area.
MeasureThis homeLakewood FallsPlainfield 60544Will County
Estimated valuepricier than$351,09360% of homes41% of homes44% of homes
Price per ft²pricier than$20846% of homes50% of homes51% of homes
Living areabigger than1,692 ft²70% of homes46% of homes44% of homes
Lot sizebigger than0.14 ac54% of homes28% of homes15% of homes
Year builtnewer than199657% of homes42% of homes56% of homes

About 21800 W Knollwood Dr

How much is 21800 W Knollwood Dr, Plainfield, IL worth?

The TopHap Estimate for 21800 W Knollwood Dr, Plainfield, IL is $351,093 as of Sep 24, 2026. The likely range is $325,250 to $376,936. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21800 W Knollwood Dr, Plainfield, IL last sell?

21800 W Knollwood Dr, Plainfield, IL last sold on Jul 25, 2025 for $340,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21800 W Knollwood Dr, Plainfield, IL?

21800 W Knollwood Dr, Plainfield, IL has 2.5 bathrooms, 1,692 square feet of living space and a 0.14-acre lot.

When was 21800 W Knollwood Dr, Plainfield, IL built?

21800 W Knollwood Dr, Plainfield, IL was built in 1996, making it 30 years old. The building has 2 stories.

What schools serve 21800 W Knollwood Dr, Plainfield, IL?

21800 W Knollwood Dr, Plainfield, IL is assigned to Lakewood Falls Elementary School (elementary), rated C+; Plainfield East High School (high), rated B-; Indian Trail Middle School (middle), rated B-. All sit in Plainfield School District 202. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21800 W Knollwood Dr, Plainfield, IL compare to other homes in Plainfield 60544?

Among the 9,956 homes in Plainfield 60544, it is worth more than 41% of them ($351,093 against a typical $375,520), its price per square foot is higher than 50% of them ($208 against a typical $208), it is bigger than 46% of them (1,692 ft² against a typical 1,760 ft²), its lot is bigger than 28% of them (0.14 ac against a typical 0.21 ac) and it is newer than 42% of them (1996 against a typical 1997). Measured against all of Will County, it is worth more than 44% 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 21800 W Knollwood Dr, Plainfield, IL?

The 2025 property tax bill for 21800 W Knollwood Dr, Plainfield, IL was $7,391. The county assessed it at $115,932.

More homes on W Knollwood Dr

Closest homes

More homes in Plainfield 60544

Assigned schools

Explore the area

See this home in context

Open 21800 W Knollwood Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map