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Single Family ResidenceResidential
$146,559$121 / 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 87How 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 $50,000 on Mar 22, 2016

14511 S UNION AVE

RIVERDALE, IL 60827
3
Beds
1
Baths
1,208 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.
3,750 ft²
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
2
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

$147K
$127K low$166K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$50,000 · Mar 22, 2016

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$9,736 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,594
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,142
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$97,360

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.
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.

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.0.09
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.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
Riverdale SchoolD+
Elementary · Grades KG–4 · 0.6 mi
M
Washington Junior High SchoolD-
Middle · Grades 7–8 · 0.9 mi
H
Thornton Township High SchoolF
High · Grades 9–12 · 1.1 mi

District: Thornton Township High School District 205

Neighborhood · ZIP 60827These 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.138
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 100.43

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.31%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.23,615
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,205 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$45,523
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$58,831
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

14511 S Union 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 92% of homes in Cook County
  • Costs less per square foot than 93% of homes in Cook County
  • Smaller than 67% of homes in Cook County
  • Has a smaller lot than 77% of homes in Cook County
  • Older than 67% of homes in Riverdale 60827

What homes are worth in Riverdale 60827

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

This home
$40K$235K

This home is worth more than 71% of homes in Riverdale 60827.

How it measures up in Riverdale 60827

The dot is this home. The mark in the middle is the typical home in Riverdale 60827.

Estimated value$146,559
CheaperTypical $125,922Pricier

Pricier than 71% of homes nearby

Price per ft²$121
CheaperTypical $115Pricier

Pricier than 58% of homes nearby

Living area1,208 ft²
SmallerTypical 1,128 ft²Bigger

Bigger than 63% of homes nearby

Lot size3,750 ft²
SmallerTypical 0.1 acBigger

Bigger than 38% of homes nearby

Year built1950
OlderTypical 1954Newer

Newer than 33% of homes nearby

How 14511 S Union Ave ranks against every home in each area.
MeasureThis homeRiverdale 60827Cook County
Estimated valuepricier than$146,55971% of homes8% of homes
Price per ft²pricier than$12158% of homes7% of homes
Living areabigger than1,208 ft²63% of homes33% of homes
Lot sizebigger than3,750 ft²38% of homes23% of homes
Year builtnewer than195033% of homes34% of homes

About 14511 S Union Ave

How much is 14511 S Union Ave, Riverdale, IL worth?

The TopHap Estimate for 14511 S Union Ave, Riverdale, IL is $146,559 as of Oct 21, 2026. The likely range is $126,806 to $166,312. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 14511 S Union Ave, Riverdale, IL last sell?

14511 S Union Ave, Riverdale, IL last sold on Mar 22, 2016 for $50,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 14511 S Union Ave, Riverdale, IL?

14511 S Union Ave, Riverdale, IL has 3 bedrooms, 1 bathrooms, 1,208 square feet of living space and a 0.09-acre lot.

When was 14511 S Union Ave, Riverdale, IL built?

14511 S Union Ave, Riverdale, IL was built in 1950, making it 76 years old. The building has 2 stories.

What schools serve 14511 S Union Ave, Riverdale, IL?

14511 S Union Ave, Riverdale, IL is assigned to Riverdale School (elementary), rated D+; Washington Junior High School (middle), rated D-; Thornton Township High School (high), rated F. All sit in Thornton Township High School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 14511 S Union Ave, Riverdale, IL compare to other homes in Riverdale 60827?

Among the 6,715 homes in Riverdale 60827, it is worth more than 71% of them ($146,559 against a typical $125,922), its price per square foot is higher than 58% of them ($121 against a typical $115), it is bigger than 63% of them (1,208 ft² against a typical 1,128 ft²), its lot is bigger than 38% of them (3,750 ft² against a typical 0.1 ac) and it is newer than 33% of them (1950 against a typical 1954). Measured against all of Cook County, it is worth more than 8% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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