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Single Family ResidenceResidential
$136,271$122 / 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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

15321 AFTON AVE

MARKHAM, IL 60428
3
Beds
1
Baths
1,113 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
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.

Valuation

$136K
$114K low$158K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,274 (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.$10,001 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,633
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$7,368
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$9,999
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$100,010

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.53
58
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
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.
78
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.22 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

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.0.27
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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

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

H
Bremen High SchoolB+
High · Grades 9–12 · 1.3 mi
E
Gordon SchoolC+
Elementary · Grades KG–3 · 1.7 mi
M
Kellar SchoolB
Middle · Grades 6–8 · 1.8 mi

District: Bremen Community High School District 228

Neighborhood · ZIP 60428These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.43

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.12,305
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,123 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,165
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,508
Average tempThe average temperature here across a full year.50°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

15321 Afton 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 93% of homes in Cook County
  • Costs less per square foot than 92% of homes in Cook County
  • Smaller than 76% of homes in Cook County
  • Has a bigger lot than 86% of homes in Markham 60428

What homes are worth in Markham 60428

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

This home
$92K$267K

This home is worth more than 27% of homes in Markham 60428.

How it measures up in Markham 60428

The dot is this home. The mark in the middle is the typical home in Markham 60428.

Estimated value$136,271
CheaperTypical $153,074Pricier

Pricier than 27% of homes nearby

Price per ft²$122
CheaperTypical $133Pricier

Pricier than 32% of homes nearby

Living area1,113 ft²
SmallerTypical 1,090 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.27 ac
SmallerTypical 0.17 acBigger

Bigger than 86% of homes nearby

Year built1957
OlderTypical 1959Newer

Newer than 44% of homes nearby

How 15321 Afton Ave ranks against every home in each area.
MeasureThis homeMarkham 60428Cook County
Estimated valuepricier than$136,27127% of homes7% of homes
Price per ft²pricier than$12232% of homes8% of homes
Living areabigger than1,113 ft²55% of homes24% of homes
Lot sizebigger than0.27 ac86% of homes74% of homes
Year builtnewer than195744% of homes48% of homes

About 15321 Afton Ave

How much is 15321 Afton Ave, Markham, IL worth?

The TopHap Estimate for 15321 Afton Ave, Markham, IL is $136,271 as of Aug 30, 2026. The likely range is $114,300 to $158,242. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 15321 Afton Ave, Markham, IL?

15321 Afton Ave, Markham, IL has 3 bedrooms, 1 bathrooms, 1,113 square feet of living space and a 0.27-acre lot.

When was 15321 Afton Ave, Markham, IL built?

15321 Afton Ave, Markham, IL was built in 1957, making it 69 years old. It is a bungalow home. The building has 1 story.

What schools serve 15321 Afton Ave, Markham, IL?

15321 Afton Ave, Markham, IL is assigned to Bremen High School (high), rated B+; Gordon School (elementary), rated C+; Kellar School (middle), rated B. All sit in Bremen Community High School District 228. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15321 Afton Ave, Markham, IL compare to other homes in Markham 60428?

Among the 4,772 homes in Markham 60428, it is worth more than 27% of them ($136,271 against a typical $153,074), its price per square foot is higher than 32% of them ($122 against a typical $133), it is bigger than 55% of them (1,113 ft² against a typical 1,090 ft²), its lot is bigger than 86% of them (0.27 ac against a typical 0.17 ac) and it is newer than 44% of them (1957 against a typical 1959). Measured against all of Cook County, it is worth more than 7% 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 15321 Afton Ave, Markham, IL?

The 2023 property tax bill for 15321 Afton Ave, Markham, IL was $5,274. The county assessed it at $10,001.

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