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Single Family ResidenceResidential
$109,656$112 / 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 86How 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 $35,000 on Apr 11, 2025

15811 WHIPPLE AVE

MARKHAM, IL 60428
3
Beds
1
Baths
983 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.
3,660 ft²
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$110K
$94K low$125K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,000 · Apr 11, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,517 (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.$7,818 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$915
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,903
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$7,818
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$78,180

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
40
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
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.8 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
CountyCook
Lot (acres)The size of the land the home sits on, from county records.0.08
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
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, Attached

Transaction History(6)

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.

M
Prairie-Hills Junior High SchoolD+
Middle · Grades 6–8 · 0.7 mi
H
Bremen High SchoolB+
High · Grades 9–12 · 1.6 mi
E
Mae Jemison SchoolD+
Elementary · Grades PK–5 · 2.4 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

15811 Whipple 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 97% of homes in Cook County
  • Costs less per square foot than 94% of homes in Cook County
  • Smaller than 88% of homes in Cook County
  • Has a smaller lot than 95% of homes in Markham 60428
  • Older than 89% 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
$95K$272K

This home is worth more than 5% 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$109,656
CheaperTypical $153,151Pricier

Pricier than 5% of homes nearby

Price per ft²$112
CheaperTypical $132Pricier

Pricier than 18% of homes nearby

Living area983 ft²
SmallerTypical 1,092 ft²Bigger

Bigger than 15% of homes nearby

Lot size3,660 ft²
SmallerTypical 0.16 acBigger

Bigger than 5% of homes nearby

Year built1941
OlderTypical 1959Newer

Newer than 11% of homes nearby

How 15811 Whipple Ave ranks against every home in each area.
MeasureThis homeMarkham 60428Cook County
Estimated valuepricier than$109,6565% of homes3% of homes
Price per ft²pricier than$11218% of homes6% of homes
Living areabigger than983 ft²15% of homes12% of homes
Lot sizebigger than3,660 ft²5% of homes18% of homes
Year builtnewer than194111% of homes29% of homes

About 15811 Whipple Ave

How much is 15811 Whipple Ave, Markham, IL worth?

The TopHap Estimate for 15811 Whipple Ave, Markham, IL is $109,656 as of Sep 24, 2026. The likely range is $93,875 to $125,437. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15811 Whipple Ave, Markham, IL last sell?

15811 Whipple Ave, Markham, IL last sold on Apr 11, 2025 for $35,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 15811 Whipple Ave, Markham, IL?

15811 Whipple Ave, Markham, IL has 3 bedrooms, 1 bathrooms, 983 square feet of living space and a 0.08-acre lot.

When was 15811 Whipple Ave, Markham, IL built?

15811 Whipple Ave, Markham, IL was built in 1941, making it 85 years old. The building has 1 story.

What schools serve 15811 Whipple Ave, Markham, IL?

15811 Whipple Ave, Markham, IL is assigned to Prairie-Hills Junior High School (middle), rated D+; Bremen High School (high), rated B+; Mae Jemison School (elementary), rated D+. All sit in Bremen Community High School District 228. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15811 Whipple Ave, Markham, IL compare to other homes in Markham 60428?

Among the 4,776 homes in Markham 60428, it is worth more than 5% of them ($109,656 against a typical $153,151), its price per square foot is higher than 18% of them ($112 against a typical $132), it is bigger than 15% of them (983 ft² against a typical 1,092 ft²), its lot is bigger than 5% of them (3,660 ft² against a typical 0.16 ac) and it is newer than 11% of them (1941 against a typical 1959). Measured against all of Cook County, it is worth more than 3% 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 15811 Whipple Ave, Markham, IL?

The 2023 property tax bill for 15811 Whipple Ave, Markham, IL was $4,517. The county assessed it at $7,818.

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