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Single Family ResidenceResidential
$329,586$298 / 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 $185,000 on Apr 8, 2019

21 S OLTENDORF RD

STREAMWOOD, IL 60107
3
Beds
1
Baths
1,106 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.
1967
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$330K
$311K low$348K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$185,000 · Apr 8, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,160 (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.$26,001 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,778
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$21,223
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$20,001
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$260,010

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.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
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
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
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.1968
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.No Foundation
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
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.

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

E
Oakhill Elementary SchoolB-
Elementary · Grades KG–6 · 0.5 mi
M
Canton Middle SchoolC-
Middle · Grades 7–8 · 0.9 mi
H
Streamwood High SchoolD+
High · Grades 9–12 · 1.3 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 S Oltendorf Rd 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.

  • Costs more per square foot than 82% of homes in Streamwood 60107
  • Smaller than 77% of homes in Cook County
  • Older than 78% of homes in Streamwood 60107

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
$204K$624K

This home is worth more than 49% 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$329,586
CheaperTypical $332,046Pricier

Pricier than 49% of homes nearby

Price per ft²$298
CheaperTypical $244Pricier

Pricier than 82% of homes nearby

Living area1,106 ft²
SmallerTypical 1,273 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.16 ac
SmallerTypical 0.18 acBigger

Bigger than 36% of homes nearby

Year built1967
OlderTypical 1983Newer

Newer than 22% of homes nearby

How 21 S Oltendorf Rd ranks against every home in each area.
MeasureThis homeStreamwood 60107Cook County
Estimated valuepricier than$329,58649% of homes48% of homes
Price per ft²pricier than$29882% of homes68% of homes
Living areabigger than1,106 ft²30% of homes23% of homes
Lot sizebigger than0.16 ac36% of homes52% of homes
Year builtnewer than196722% of homes62% of homes

About 21 S Oltendorf Rd

How much is 21 S Oltendorf Rd, Streamwood, IL worth?

The TopHap Estimate for 21 S Oltendorf Rd, Streamwood, IL is $329,586 as of Sep 24, 2026. The likely range is $311,227 to $347,945. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 S Oltendorf Rd, Streamwood, IL last sell?

21 S Oltendorf Rd, Streamwood, IL last sold on Apr 8, 2019 for $185,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 S Oltendorf Rd, Streamwood, IL?

21 S Oltendorf Rd, Streamwood, IL has 3 bedrooms, 1 bathrooms, 1,106 square feet of living space and a 0.16-acre lot.

When was 21 S Oltendorf Rd, Streamwood, IL built?

21 S Oltendorf Rd, Streamwood, IL was built in 1967, making it 59 years old. It is a bungalow home. The building has 1 story.

What schools serve 21 S Oltendorf Rd, Streamwood, IL?

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

How does 21 S Oltendorf Rd, Streamwood, IL compare to other homes in Streamwood 60107?

Among the 13,603 homes in Streamwood 60107, it is worth more than 49% of them ($329,586 against a typical $332,046), its price per square foot is higher than 82% of them ($298 against a typical $244), it is bigger than 30% of them (1,106 ft² against a typical 1,273 ft²), its lot is bigger than 36% of them (0.16 ac against a typical 0.18 ac) and it is newer than 22% of them (1967 against a typical 1983). Measured against all of Cook County, it is worth more than 48% 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 S Oltendorf Rd, Streamwood, IL?

The 2023 property tax bill for 21 S Oltendorf Rd, Streamwood, IL was $6,160. The county assessed it at $26,001.

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