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Single Family ResidenceResidential
$618,907$327 / 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 Sep 24, 2026
Last sold for $579,000 on Sep 27, 2024

4151 ROSLYN RD

DOWNERS GROVE, IL 60515
4
Beds
2.5
Baths
1,892 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$619K
$568K low$670K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$579,000 · Sep 27, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,446 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$174,734 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$68,065
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$106,669
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$161,941
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$524,202

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.25 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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.Colonial
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.24
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
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Highland Elementary SchoolA
Elementary · Grades KG–6 · 1.2 mi
H
Community High School District 99 - North High SchoolB
High · Grades 9–12 · 1.4 mi
M
Herrick Middle SchoolA
Middle · Grades 7–8 · 1.6 mi

District: Community High School District 99

Neighborhood · ZIP 60515These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.121
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.52

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.30,825
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,919 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,934
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,944
Average tempThe average temperature here across a full year.49°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

4151 Roslyn 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 73% of homes in DuPage County
  • Costs more per square foot than 84% of homes in DuPage County
  • Newer than 69% of homes in Downers Grove 60515

What homes are worth in Downers Grove 60515

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

This home
$169K$1.6M

This home is worth more than 61% of homes in Downers Grove 60515.

How it measures up in Downers Grove 60515

The dot is this home. The mark in the middle is the typical home in Downers Grove 60515.

Estimated value$618,907
CheaperTypical $545,843Pricier

Pricier than 61% of homes nearby

Price per ft²$327
CheaperTypical $325Pricier

Pricier than 51% of homes nearby

Living area1,892 ft²
SmallerTypical 1,612 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.24 ac
SmallerTypical 0.27 acBigger

Bigger than 41% of homes nearby

Year built1974
OlderTypical 1968Newer

Newer than 69% of homes nearby

How 4151 Roslyn Rd ranks against every home in each area.
MeasureThis homeDowners Grove 60515DuPage County
Estimated valuepricier than$618,90761% of homes73% of homes
Price per ft²pricier than$32751% of homes84% of homes
Living areabigger than1,892 ft²59% of homes53% of homes
Lot sizebigger than0.24 ac41% of homes48% of homes
Year builtnewer than197469% of homes43% of homes

About 4151 Roslyn Rd

How much is 4151 Roslyn Rd, Downers Grove, IL worth?

The TopHap Estimate for 4151 Roslyn Rd, Downers Grove, IL is $618,907 as of Sep 24, 2026. The likely range is $567,975 to $669,839. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4151 Roslyn Rd, Downers Grove, IL last sell?

4151 Roslyn Rd, Downers Grove, IL last sold on Sep 27, 2024 for $579,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4151 Roslyn Rd, Downers Grove, IL?

4151 Roslyn Rd, Downers Grove, IL has 4 bedrooms, 2.5 bathrooms, 1,892 square feet of living space and a 0.24-acre lot.

When was 4151 Roslyn Rd, Downers Grove, IL built?

4151 Roslyn Rd, Downers Grove, IL was built in 1974, making it 52 years old. It is a colonial home. The building has 2 stories.

What schools serve 4151 Roslyn Rd, Downers Grove, IL?

4151 Roslyn Rd, Downers Grove, IL is assigned to Highland Elementary School (elementary), rated A; Community High School District 99 - North High School (high), rated B; Herrick Middle School (middle), rated A. All sit in Community High School District 99. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4151 Roslyn Rd, Downers Grove, IL compare to other homes in Downers Grove 60515?

Among the 11,004 homes in Downers Grove 60515, it is worth more than 61% of them ($618,907 against a typical $545,843), its price per square foot is higher than 51% of them ($327 against a typical $325), it is bigger than 59% of them (1,892 ft² against a typical 1,612 ft²), its lot is bigger than 41% of them (0.24 ac against a typical 0.27 ac) and it is newer than 69% of them (1974 against a typical 1968). Measured against all of DuPage County, it is worth more than 73% 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 4151 Roslyn Rd, Downers Grove, IL?

The 2025 property tax bill for 4151 Roslyn Rd, Downers Grove, IL was $9,446. The county assessed it at $174,734.

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