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Single Family ResidenceResidential
$365,281$331 / 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 Oct 21, 2026
Last sold for $360,000 on Aug 2, 2017

8331 N OLCOTT AVE

NILES, IL 60714
3
Beds
1
Baths
1,105 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.
4,125 ft²
Lot SizeThe size of the land the home sits on, from county records.
1958
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

$365K
$343K low$387K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$360,000 · Aug 2, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,211 (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.$34,004 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,363
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$28,641
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27,990
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$340,040

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.34
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.
63
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
40
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.1959
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Nelson Elementary SchoolC
Elementary · Grades KG–5 · 0.8 mi
M
Gemini Middle SchoolB-
Middle · Grades 6–8 · 1.5 mi
H
Maine East High SchoolB
High · Grades 9–12 · 2.3 mi

District: Maine Township High School District 207

Neighborhood · ZIP 60714These 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.57
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.127
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.95%
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.6.0%
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.31,974
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,071 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,719
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,546
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%

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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

8331 N Olcott Ave 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 71% of homes in Niles 60714
  • Costs more per square foot than 77% of homes in Cook County
  • Smaller than 82% of homes in Niles 60714
  • Has a smaller lot than 88% of homes in Niles 60714

What homes are worth in Niles 60714

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

This home
$178K$811K

This home is worth more than 29% of homes in Niles 60714.

How it measures up in Niles 60714

The dot is this home. The mark in the middle is the typical home in Niles 60714.

Estimated value$365,281
CheaperTypical $412,844Pricier

Pricier than 29% of homes nearby

Price per ft²$331
CheaperTypical $315Pricier

Pricier than 58% of homes nearby

Living area1,105 ft²
SmallerTypical 1,333 ft²Bigger

Bigger than 18% of homes nearby

Lot size4,125 ft²
SmallerTypical 0.15 acBigger

Bigger than 12% of homes nearby

Year built1958
OlderTypical 1961Newer

Newer than 40% of homes nearby

How 8331 N Olcott Ave ranks against every home in each area.
MeasureThis homeNiles 60714Cook County
Estimated valuepricier than$365,28129% of homes56% of homes
Price per ft²pricier than$33158% of homes77% of homes
Living areabigger than1,105 ft²18% of homes24% of homes
Lot sizebigger than4,125 ft²12% of homes28% of homes
Year builtnewer than195840% of homes49% of homes

About 8331 N Olcott Ave

How much is 8331 N Olcott Ave, Niles, IL worth?

The TopHap Estimate for 8331 N Olcott Ave, Niles, IL is $365,281 as of Oct 21, 2026. The likely range is $343,492 to $387,070. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8331 N Olcott Ave, Niles, IL last sell?

8331 N Olcott Ave, Niles, IL last sold on Aug 2, 2017 for $360,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 8331 N Olcott Ave, Niles, IL?

8331 N Olcott Ave, Niles, IL has 3 bedrooms, 1 bathrooms, 1,105 square feet of living space and a 0.10-acre lot.

When was 8331 N Olcott Ave, Niles, IL built?

8331 N Olcott Ave, Niles, IL was built in 1958, making it 68 years old. It is a bungalow home. The building has 1 story.

What schools serve 8331 N Olcott Ave, Niles, IL?

8331 N Olcott Ave, Niles, IL is assigned to Nelson Elementary School (elementary), rated C; Gemini Middle School (middle), rated B-; Maine East High School (high), rated B. All sit in Maine Township High School District 207. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8331 N Olcott Ave, Niles, IL compare to other homes in Niles 60714?

Among the 10,612 homes in Niles 60714, it is worth more than 29% of them ($365,281 against a typical $412,844), its price per square foot is higher than 58% of them ($331 against a typical $315), it is bigger than 18% of them (1,105 ft² against a typical 1,333 ft²), its lot is bigger than 12% of them (4,125 ft² against a typical 0.15 ac) and it is newer than 40% of them (1958 against a typical 1961). Measured against all of Cook County, it is worth more than 56% 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 8331 N Olcott Ave, Niles, IL?

The 2023 property tax bill for 8331 N Olcott Ave, Niles, IL was $7,211. The county assessed it at $34,004.

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