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Single Family ResidenceResidential
$586,138$251 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

9900 ROSEMONT ST

ROSEMONT, IL 60018
4
Beds
3 / 1
Baths
2,332 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.
1960
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$586K
$541K low$632K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$26,138
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$20,910
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.102%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$500,000
FIFTH THIRD BK (WSTN MICHIGAN) · recorded Jun 21, 2019
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$60,000
FIFTH THIRD BANK NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,681 (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.$48,625 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,887
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$39,738
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$48,624
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$486,250

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.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
62
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.Split Level
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, Attached

Transaction History(4)

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
Rosemont Elementary SchoolB-
Elementary · Grades PK–8 · 0.3 mi
H
East Leyden High SchoolC+
High · Grades 9–12 · 3.6 mi

District: Rosemont Elementary School District 78

Neighborhood · ZIP 60018These 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.51
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.126
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.0%
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.29,675
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,751 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,484
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,969
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

9900 Rosemont 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 more than 93% of homes in Des Plaines 60018
  • Costs less per square foot than 65% of homes in Des Plaines 60018
  • Bigger than 89% of homes in Des Plaines 60018

What homes are worth in Des Plaines 60018

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

This home
$160K$816K

This home is worth more than 93% of homes in Des Plaines 60018.

How it measures up in Des Plaines 60018

The dot is this home. The mark in the middle is the typical home in Des Plaines 60018.

Estimated value$586,138
CheaperTypical $361,791Pricier

Pricier than 93% of homes nearby

Price per ft²$251
CheaperTypical $276Pricier

Pricier than 35% of homes nearby

Living area2,332 ft²
SmallerTypical 1,251 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 51% of homes nearby

Year built1960
OlderTypical 1960Newer

Newer than 54% of homes nearby

How 9900 Rosemont St ranks against every home in each area.
MeasureThis homeDes Plaines 60018Cook County
Estimated valuepricier than$586,13893% of homes83% of homes
Price per ft²pricier than$25135% of homes50% of homes
Living areabigger than2,332 ft²89% of homes79% of homes
Lot sizebigger than0.17 ac51% of homes55% of homes
Year builtnewer than196054% of homes53% of homes

About 9900 Rosemont St

How much is 9900 Rosemont St, Rosemont, IL worth?

The TopHap Estimate for 9900 Rosemont St, Rosemont, IL is $586,138 as of Jul 14, 2026. The likely range is $540,632 to $631,644. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9900 Rosemont St, Rosemont, IL last sell?

9900 Rosemont St, Rosemont, IL last sold on Feb 7, 2002, according to the county's recorded deed.

How big is 9900 Rosemont St, Rosemont, IL?

9900 Rosemont St, Rosemont, IL has 4 bedrooms, 3 bathrooms, 2,332 square feet of living space and a 0.17-acre lot.

When was 9900 Rosemont St, Rosemont, IL built?

9900 Rosemont St, Rosemont, IL was built in 1960, making it 66 years old. It is a split level home. The building has 2 stories.

What schools serve 9900 Rosemont St, Rosemont, IL?

9900 Rosemont St, Rosemont, IL is assigned to Rosemont Elementary School (elementary), rated B-; East Leyden High School (high), rated C+. All sit in Rosemont Elementary School District 78. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9900 Rosemont St, Rosemont, IL compare to other homes in Des Plaines 60018?

Among the 7,699 homes in Des Plaines 60018, it is worth more than 93% of them ($586,138 against a typical $361,791), its price per square foot is higher than 35% of them ($251 against a typical $276), it is bigger than 89% of them (2,332 ft² against a typical 1,251 ft²), its lot is bigger than 51% of them (0.17 ac against a typical 0.17 ac) and it is newer than 54% of them (1960 against a typical 1960). Measured against all of Cook County, it is worth more than 83% 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 9900 Rosemont St, Rosemont, IL?

The 2023 property tax bill for 9900 Rosemont St, Rosemont, IL was $11,681. The county assessed it at $48,625.

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Assigned schools

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