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Single Family ResidenceResidential
$683,585$230 / 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 Aug 30, 2026
Last sold for $375,500 on Jan 18, 2002

20 ALTON RD

PROSPECT HEIGHTS, IL 60070
6
Beds
3
Baths
2,966 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.
0.69 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
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

$684K
$591K low$776K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$375,500 · Jan 18, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,898 (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.$50,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$38,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$50,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$500,000

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.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
62
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
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.0.69
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.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(1)

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
Euclid Elementary SchoolB
Elementary · Grades 1–5 · 0.7 mi
M
River Trails Middle SchoolB-
Middle · Grades 6–8 · 0.7 mi
H
John Hersey High SchoolA+
High · Grades 9–12 · 2.4 mi

District: Township High School District 214

Neighborhood · ZIP 60070These 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.82
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.120
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.95%
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.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.16,965
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,656 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,472
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,778
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

20 Alton Rd 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 89% of homes in Prospect Heights 60070
  • Bigger than 89% of homes in Cook County
  • Has a bigger lot than 85% of homes in Cook County
  • Older than 93% of homes in Prospect Heights 60070

What homes are worth in Prospect Heights 60070

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

This home
$145K$921K

This home is worth more than 89% of homes in Prospect Heights 60070.

How it measures up in Prospect Heights 60070

The dot is this home. The mark in the middle is the typical home in Prospect Heights 60070.

Estimated value$683,585
CheaperTypical $368,513Pricier

Pricier than 89% of homes nearby

Price per ft²$230
CheaperTypical $241Pricier

Pricier than 42% of homes nearby

Living area2,966 ft²
SmallerTypical 1,570 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.69 ac
SmallerTypical 0.96 acBigger

Bigger than 47% of homes nearby

Year built1952
OlderTypical 1970Newer

Newer than 7% of homes nearby

How 20 Alton Rd ranks against every home in each area.
MeasureThis homeProspect Heights 60070Cook County
Estimated valuepricier than$683,58589% of homes88% of homes
Price per ft²pricier than$23042% of homes43% of homes
Living areabigger than2,966 ft²86% of homes89% of homes
Lot sizebigger than0.69 ac47% of homes85% of homes
Year builtnewer than19527% of homes38% of homes

About 20 Alton Rd

How much is 20 Alton Rd, Prospect Heights, IL worth?

The TopHap Estimate for 20 Alton Rd, Prospect Heights, IL is $683,585 as of Aug 30, 2026. The likely range is $590,802 to $776,368. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Alton Rd, Prospect Heights, IL last sell?

20 Alton Rd, Prospect Heights, IL last sold on Jan 18, 2002 for $375,500, according to the county's recorded deed.

How big is 20 Alton Rd, Prospect Heights, IL?

20 Alton Rd, Prospect Heights, IL has 6 bedrooms, 3 bathrooms, 2,966 square feet of living space and a 0.69-acre lot.

When was 20 Alton Rd, Prospect Heights, IL built?

20 Alton Rd, Prospect Heights, IL was built in 1952, making it 74 years old. It is a bungalow home. The building has 2 stories.

What schools serve 20 Alton Rd, Prospect Heights, IL?

20 Alton Rd, Prospect Heights, IL is assigned to Euclid Elementary School (elementary), rated B; River Trails Middle School (middle), rated B-; John Hersey High School (high), rated A+. All sit in Township High School District 214. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Alton Rd, Prospect Heights, IL compare to other homes in Prospect Heights 60070?

Among the 5,472 homes in Prospect Heights 60070, it is worth more than 89% of them ($683,585 against a typical $368,513), its price per square foot is higher than 42% of them ($230 against a typical $241), it is bigger than 86% of them (2,966 ft² against a typical 1,570 ft²), its lot is bigger than 47% of them (0.69 ac against a typical 0.96 ac) and it is newer than 7% of them (1952 against a typical 1970). Measured against all of Cook County, it is worth more than 88% 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 20 Alton Rd, Prospect Heights, IL?

The 2023 property tax bill for 20 Alton Rd, Prospect Heights, IL was $14,898. The county assessed it at $50,000.

More homes on Alton Rd

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Assigned schools

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