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Single Family ResidenceResidential
$306,298$335 / 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

421 S OLTENDORF RD

STREAMWOOD, IL 60107
2
Beds
1
Baths
913 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$306K
$286K low$327K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,063 (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.$23,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,320
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,680
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$23,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$230,000

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
CountyCook
Lot (acres)The size of the land the home sits on, from county records.0.24
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

Transaction History(1)

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 SchoolC-
Elementary · Grades KG–6 · 0.1 mi
M
Canton Middle SchoolD+
Middle · Grades 7–8 · 0.8 mi
H
Streamwood High SchoolD
High · Grades 9–12 · 1.4 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

421 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.

  • Worth less than 68% of homes in Streamwood 60107
  • Costs more per square foot than 94% of homes in Streamwood 60107
  • Smaller than 92% of homes in Streamwood 60107
  • Has a bigger lot than 77% of homes in Streamwood 60107
  • Older than 86% 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
$203K$656K

This home is worth more than 32% 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$306,298
CheaperTypical $331,860Pricier

Pricier than 32% of homes nearby

Price per ft²$335
CheaperTypical $244Pricier

Pricier than 94% of homes nearby

Living area913 ft²
SmallerTypical 1,272 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.24 ac
SmallerTypical 0.18 acBigger

Bigger than 77% of homes nearby

Year built1963
OlderTypical 1983Newer

Newer than 14% of homes nearby

How 421 S Oltendorf Rd ranks against every home in each area.
MeasureThis homeStreamwood 60107Cook County
Estimated valuepricier than$306,29832% of homes43% of homes
Price per ft²pricier than$33594% of homes79% of homes
Living areabigger than913 ft²8% of homes8% of homes
Lot sizebigger than0.24 ac77% of homes70% of homes
Year builtnewer than196314% of homes56% of homes

About 421 S Oltendorf Rd

How much is 421 S Oltendorf Rd, Streamwood, IL worth?

The TopHap Estimate for 421 S Oltendorf Rd, Streamwood, IL is $306,298 as of Sep 24, 2026. The likely range is $286,019 to $326,577. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 421 S Oltendorf Rd, Streamwood, IL?

421 S Oltendorf Rd, Streamwood, IL has 2 bedrooms, 1 bathrooms, 913 square feet of living space and a 0.24-acre lot.

When was 421 S Oltendorf Rd, Streamwood, IL built?

421 S Oltendorf Rd, Streamwood, IL was built in 1963, making it 63 years old. The building has 1 story.

What schools serve 421 S Oltendorf Rd, Streamwood, IL?

421 S Oltendorf Rd, Streamwood, IL is assigned to Oakhill Elementary School (elementary), rated C-; Canton Middle School (middle), rated D+; 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 421 S Oltendorf Rd, Streamwood, IL compare to other homes in Streamwood 60107?

Among the 13,605 homes in Streamwood 60107, it is worth more than 32% of them ($306,298 against a typical $331,860), its price per square foot is higher than 94% of them ($335 against a typical $244), it is bigger than 8% of them (913 ft² against a typical 1,272 ft²), its lot is bigger than 77% of them (0.24 ac against a typical 0.18 ac) and it is newer than 14% of them (1963 against a typical 1983). Measured against all of Cook County, it is worth more than 43% 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 421 S Oltendorf Rd, Streamwood, IL?

The 2023 property tax bill for 421 S Oltendorf Rd, Streamwood, IL was $6,063. The county assessed it at $23,000.

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Assigned schools

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