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Single Family ResidenceResidential
$994,719$172 / 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 88How 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 $819,000 on Feb 22, 2023

8509 W 121ST ST

PALOS PARK, IL 60464
6
Beds
4 / 1
Baths
5,792 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.
1.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$995K
$873K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$819,000 · Feb 22, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,953 (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.$81,289 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,289
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$62,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$81,288
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$812,890

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.51
49
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
75
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Split Level
CountyCook
Lot (acres)The size of the land the home sits on, from county records.1.18
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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.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, Detached

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
Palos East Elementary SchoolA
Elementary · Grades KG–5 · 1.2 mi
H
Amos Alonzo Stagg High SchoolB
High · Grades 9–12 · 1.3 mi
M
Palos South Middle SchoolA+
Middle · Grades 6–8 · 1.4 mi

District: Palos Community Consolidated School District 118

Neighborhood · ZIP 60464These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.94%
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.4.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.9,182
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.760 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,550
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$146,648
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

8509 W 121st 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 95% of homes in Palos Park 60464
  • Costs less per square foot than 94% of homes in Palos Park 60464
  • Bigger than 98% of homes in Cook County
  • Has a bigger lot than 89% of homes in Cook County
  • Newer than 81% of homes in Cook County

What homes are worth in Palos Park 60464

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

This home
$252K$1.3M

This home is worth more than 95% of homes in Palos Park 60464.

How it measures up in Palos Park 60464

The dot is this home. The mark in the middle is the typical home in Palos Park 60464.

Estimated value$994,719
CheaperTypical $527,928Pricier

Pricier than 95% of homes nearby

Price per ft²$172
CheaperTypical $220Pricier

Pricier than 6% of homes nearby

Living area5,792 ft²
SmallerTypical 2,425 ft²Bigger

Bigger than 97% of homes nearby

Lot size1.18 ac
SmallerTypical 0.55 acBigger

Bigger than 79% of homes nearby

Year built1987
OlderTypical 1985Newer

Newer than 67% of homes nearby

How 8509 W 121st St ranks against every home in each area.
MeasureThis homePalos Park 60464Cook County
Estimated valuepricier than$994,71995% of homes94% of homes
Price per ft²pricier than$1726% of homes21% of homes
Living areabigger than5,792 ft²97% of homes98% of homes
Lot sizebigger than1.18 ac79% of homes89% of homes
Year builtnewer than198767% of homes81% of homes

About 8509 W 121st St

How much is 8509 W 121st St, Palos Park, IL worth?

The TopHap Estimate for 8509 W 121st St, Palos Park, IL is $994,719 as of Sep 24, 2026. The likely range is $873,144 to $1,116,294. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8509 W 121st St, Palos Park, IL last sell?

8509 W 121st St, Palos Park, IL last sold on Feb 22, 2023 for $819,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 8509 W 121st St, Palos Park, IL?

8509 W 121st St, Palos Park, IL has 6 bedrooms, 4 bathrooms, 5,792 square feet of living space and a 1.18-acre lot.

When was 8509 W 121st St, Palos Park, IL built?

8509 W 121st St, Palos Park, IL was built in 1987, making it 39 years old. It is a split level home. The building has 2 stories.

What schools serve 8509 W 121st St, Palos Park, IL?

8509 W 121st St, Palos Park, IL is assigned to Palos East Elementary School (elementary), rated A; Amos Alonzo Stagg High School (high), rated B; Palos South Middle School (middle), rated A+. All sit in Palos Community Consolidated School District 118. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8509 W 121st St, Palos Park, IL compare to other homes in Palos Park 60464?

Among the 3,720 homes in Palos Park 60464, it is worth more than 95% of them ($994,719 against a typical $527,928), its price per square foot is higher than 6% of them ($172 against a typical $220), it is bigger than 97% of them (5,792 ft² against a typical 2,425 ft²), its lot is bigger than 79% of them (1.18 ac against a typical 0.55 ac) and it is newer than 67% of them (1987 against a typical 1985). Measured against all of Cook County, it is worth more than 94% 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 8509 W 121st St, Palos Park, IL?

The 2023 property tax bill for 8509 W 121st St, Palos Park, IL was $19,953. The county assessed it at $81,289.

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