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Single Family ResidenceResidential
$405,554$390 / 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 90How 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 $400,000 on May 13, 2026

6420 166TH ST

TINLEY PARK, IL 60477
3
Beds
1
Baths
1,040 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
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

$406K
$366K low$445K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · May 13, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,794 (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 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,163
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$13,837
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.38
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.
79
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
Lot (acres)The size of the land the home sits on, from county records.0.60
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(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.

H
Tinley Park High SchoolC
High · Grades 9–12 · 1.3 mi
E
Fierke Education CenterB
Elementary · Grades KG–5 · 1.3 mi
M
Central Middle SchoolB-
Middle · Grades 6–8 · 2.0 mi

District: Community Consolidated School District 146

Neighborhood · ZIP 60477These 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.56
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.96%
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.5.8%
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.37,625
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,395 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,546
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,637
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

6420 166th St 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 82% of homes in Tinley Park 60477
  • Among the highest price per square foot in Tinley Park 60477
  • Smaller than 88% of homes in Tinley Park 60477
  • Has a bigger lot than 83% of homes in Cook County
  • Older than 90% of homes in Tinley Park 60477

What homes are worth in Tinley Park 60477

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

This home
$154K$589K

This home is worth more than 82% of homes in Tinley Park 60477.

How it measures up in Tinley Park 60477

The dot is this home. The mark in the middle is the typical home in Tinley Park 60477.

Estimated value$405,554
CheaperTypical $313,912Pricier

Pricier than 82% of homes nearby

Price per ft²$390
CheaperTypical $210Pricier

Pricier than almost all homes nearby

Living area1,040 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.6 ac
SmallerTypical 0.22 acBigger

Bigger than 74% of homes nearby

Year built1956
OlderTypical 1985Newer

Newer than 10% of homes nearby

How 6420 166th St ranks against every home in each area.
MeasureThis homeTinley Park 60477Cook County
Estimated valuepricier than$405,55482% of homes64% of homes
Price per ft²pricier than$390almost all homes89% of homes
Living areabigger than1,040 ft²12% of homes17% of homes
Lot sizebigger than0.6 ac74% of homes83% of homes
Year builtnewer than195610% of homes46% of homes

About 6420 166th St

How much is 6420 166th St, Tinley Park, IL worth?

The TopHap Estimate for 6420 166th St, Tinley Park, IL is $405,554 as of Sep 24, 2026. The likely range is $365,693 to $445,415. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6420 166th St, Tinley Park, IL last sell?

6420 166th St, Tinley Park, IL last sold on May 13, 2026 for $400,000, according to the county's recorded deed.

How big is 6420 166th St, Tinley Park, IL?

6420 166th St, Tinley Park, IL has 3 bedrooms, 1 bathrooms, 1,040 square feet of living space and a 0.60-acre lot.

When was 6420 166th St, Tinley Park, IL built?

6420 166th St, Tinley Park, IL was built in 1956, making it 70 years old. It is a bungalow home. The building has 1 story.

What schools serve 6420 166th St, Tinley Park, IL?

6420 166th St, Tinley Park, IL is assigned to Tinley Park High School (high), rated C; Fierke Education Center (elementary), rated B; Central Middle School (middle), rated B-. All sit in Community Consolidated School District 146. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6420 166th St, Tinley Park, IL compare to other homes in Tinley Park 60477?

Among the 14,884 homes in Tinley Park 60477, it is worth more than 82% of them ($405,554 against a typical $313,912), its price per square foot is higher than almost all of them ($390 against a typical $210), it is bigger than 12% of them (1,040 ft² against a typical 1,400 ft²), its lot is bigger than 74% of them (0.6 ac against a typical 0.22 ac) and it is newer than 10% of them (1956 against a typical 1985). Measured against all of Cook County, it is worth more than 64% 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 6420 166th St, Tinley Park, IL?

The 2023 property tax bill for 6420 166th St, Tinley Park, IL was $5,794. The county assessed it at $23,000.

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