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Single Family ResidenceResidential
$415,000$247 / 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 Oct 21, 2026
Last sold for $165,000 on Oct 1, 2012

21 N WALNUT CT

STREAMWOOD, IL 60107
3
Beds
2.5
Baths
1,680 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$415K
$400K low$430K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$165,000 · Oct 1, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,918 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$33,563 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,280
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$27,283
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$25,776
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$335,630

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.31
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.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
68
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyCOOK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1987
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

H
Streamwood High SchoolD
High · Grades 9–12 · 0.3 mi
E
Glenbrook Elementary SchoolB-
Elementary · Grades KG–6 · 1.8 mi
M
Canton Middle SchoolD+
Middle · Grades 7–8 · 1.9 mi

District: School District U-46

Neighborhood · ZIP 60107These 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.45
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.51

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.39,378
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,564 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,051
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,902
Average tempThe average temperature here across a full year.48°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

21 N Walnut 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 85% of homes in Streamwood 60107
  • Bigger than 75% of homes in Streamwood 60107
  • Newer than 79% of homes in Cook County

What homes are worth in Streamwood 60107

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

This home
$210K$631K

This home is worth more than 85% of homes in Streamwood 60107.

How it measures up in Streamwood 60107

The dot is this home. The mark in the middle is the typical home in Streamwood 60107.

Estimated value$415,000
CheaperTypical $334,835Pricier

Pricier than 85% of homes nearby

Price per ft²$247
CheaperTypical $246Pricier

Pricier than 51% of homes nearby

Living area1,680 ft²
SmallerTypical 1,274 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.16 ac
SmallerTypical 0.18 acBigger

Bigger than 38% of homes nearby

Year built1986
OlderTypical 1983Newer

Newer than 61% of homes nearby

How 21 N Walnut Ct ranks against every home in each area.
MeasureThis homeStreamwood 60107Cook County
Estimated valuepricier than$415,00085% of homes65% of homes
Price per ft²pricier than$24751% of homes49% of homes
Living areabigger than1,680 ft²75% of homes60% of homes
Lot sizebigger than0.16 ac38% of homes51% of homes
Year builtnewer than198661% of homes79% of homes

About 21 N Walnut Ct

How much is 21 N Walnut Ct, Streamwood, IL worth?

The TopHap Estimate for 21 N Walnut Ct, Streamwood, IL is $415,000 as of Oct 21, 2026. The likely range is $399,971 to $430,029. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 N Walnut Ct, Streamwood, IL last sell?

21 N Walnut Ct, Streamwood, IL last sold on Oct 1, 2012 for $165,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 N Walnut Ct, Streamwood, IL?

21 N Walnut Ct, Streamwood, IL has 3 bedrooms, 2.5 bathrooms, 1,680 square feet of living space and a 0.16-acre lot.

When was 21 N Walnut Ct, Streamwood, IL built?

21 N Walnut Ct, Streamwood, IL was built in 1986, making it 40 years old. The building has 2 stories.

What schools serve 21 N Walnut Ct, Streamwood, IL?

21 N Walnut Ct, Streamwood, IL is assigned to Streamwood High School (high), rated D; Glenbrook Elementary School (elementary), rated B-; Canton Middle School (middle), rated D+. All sit in School District U-46. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 N Walnut Ct, Streamwood, IL compare to other homes in Streamwood 60107?

Among the 13,605 homes in Streamwood 60107, it is worth more than 85% of them ($415,000 against a typical $334,835), its price per square foot is higher than 51% of them ($247 against a typical $246), it is bigger than 75% of them (1,680 ft² against a typical 1,274 ft²), its lot is bigger than 38% of them (0.16 ac against a typical 0.18 ac) and it is newer than 61% of them (1986 against a typical 1983). Measured against all of Cook County, it is worth more than 65% 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 N Walnut Ct, Streamwood, IL?

The 2023 property tax bill for 21 N Walnut Ct, Streamwood, IL was $6,918. The county assessed it at $33,563.

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