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Single Family ResidenceResidential
$370,168$308 / 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 93How 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

521 N ELM ST

MOUNT PROSPECT, IL 60056
3
Beds
2
Baths
1,200 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
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.

Valuation

$370K
$342K low$398K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,115 (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.$24,364 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$16,764
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$24,364
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$243,640

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.34
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.
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.0.17
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
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
Prospect High SchoolA+
High · Grades 9–12 · 0.9 mi
M
Lincoln Middle SchoolA-
Middle · Grades 6–8 · 1.4 mi
E
Westbrook Early Learning Center
Elementary · Grades PK–1 · 1.6 mi

District: Mount Prospect School District 57

Neighborhood · ZIP 60056These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.124
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
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.1.8%
PopulationHow many people live in this area.56,070
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,043 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,966
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,404
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

521 N Elm 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 less than 73% of homes in Mount Prospect 60056
  • Costs more per square foot than 71% of homes in Cook County
  • Smaller than 76% of homes in Mount Prospect 60056
  • Has a smaller lot than 82% of homes in Mount Prospect 60056
  • Older than 88% of homes in Mount Prospect 60056

What homes are worth in Mount Prospect 60056

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

This home
$157K$829K

This home is worth more than 27% of homes in Mount Prospect 60056.

How it measures up in Mount Prospect 60056

The dot is this home. The mark in the middle is the typical home in Mount Prospect 60056.

Estimated value$370,168
CheaperTypical $433,662Pricier

Pricier than 27% of homes nearby

Price per ft²$308
CheaperTypical $288Pricier

Pricier than 63% of homes nearby

Living area1,200 ft²
SmallerTypical 1,477 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.17 ac
SmallerTypical 0.22 acBigger

Bigger than 18% of homes nearby

Year built1953
OlderTypical 1965Newer

Newer than 12% of homes nearby

How 521 N Elm St ranks against every home in each area.
MeasureThis homeMount Prospect 60056Cook County
Estimated valuepricier than$370,16827% of homes57% of homes
Price per ft²pricier than$30863% of homes71% of homes
Living areabigger than1,200 ft²24% of homes33% of homes
Lot sizebigger than0.17 ac18% of homes55% of homes
Year builtnewer than195312% of homes39% of homes

About 521 N Elm St

How much is 521 N Elm St, Mount Prospect, IL worth?

The TopHap Estimate for 521 N Elm St, Mount Prospect, IL is $370,168 as of Sep 24, 2026. The likely range is $342,469 to $397,867. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 N Elm St, Mount Prospect, IL last sell?

521 N Elm St, Mount Prospect, IL last sold on Sep 18, 1987, according to the county's recorded deed.

How big is 521 N Elm St, Mount Prospect, IL?

521 N Elm St, Mount Prospect, IL has 3 bedrooms, 2 bathrooms, 1,200 square feet of living space and a 0.17-acre lot.

When was 521 N Elm St, Mount Prospect, IL built?

521 N Elm St, Mount Prospect, IL was built in 1953, making it 73 years old. It is a bungalow home. The building has 2 stories.

What schools serve 521 N Elm St, Mount Prospect, IL?

521 N Elm St, Mount Prospect, IL is assigned to Prospect High School (high), rated A+; Lincoln Middle School (middle), rated A-; Westbrook Early Learning Center (elementary). All sit in Mount Prospect School District 57. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 N Elm St, Mount Prospect, IL compare to other homes in Mount Prospect 60056?

Among the 17,995 homes in Mount Prospect 60056, it is worth more than 27% of them ($370,168 against a typical $433,662), its price per square foot is higher than 63% of them ($308 against a typical $288), it is bigger than 24% of them (1,200 ft² against a typical 1,477 ft²), its lot is bigger than 18% of them (0.17 ac against a typical 0.22 ac) and it is newer than 12% of them (1953 against a typical 1965). Measured against all of Cook County, it is worth more than 57% 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 521 N Elm St, Mount Prospect, IL?

The 2023 property tax bill for 521 N Elm St, Mount Prospect, IL was $5,115. The county assessed it at $24,364.

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