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Single Family ResidenceResidential
$699,144$179 / 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 Aug 30, 2026
Last sold for $675,000 on Sep 12, 2006

21 FOREST AVE

ROSELLE, IL 60172
4
Beds
3
Baths
3,908 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
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

$699K
$651K low$747K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$675,000 · Sep 12, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,099 (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.$213,840 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,036
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$148,804
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$195,627
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$641,520

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.8 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
CountyDUPAGE
ConstructionThe main material the home's frame and walls are built from.Mixed (Not Specified)
CoolingThe type of cooling or air conditioning in the home.Window A/C
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 575 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Roselle Middle SchoolA+
Middle · Grades 6–8 · 0.4 mi
E
Spring Hills Elementary SchoolA
Elementary · Grades KG–5 · 0.7 mi
H
Lake Park High SchoolB+
High · Grades 9–12 · 1.4 mi

District: Roselle School District 12

Neighborhood · ZIP 60172These 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.88
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.123
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.49

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.23,052
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,383 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,042
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$132,455
Average tempThe average temperature here across a full year.48°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

21 Forest 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 more than 94% of homes in Roselle 60172
  • Costs less per square foot than 93% of homes in DuPage County
  • Bigger than 97% of homes in Roselle 60172
  • Has a bigger lot than 86% of homes in DuPage County
  • Older than 96% of homes in Roselle 60172

What homes are worth in Roselle 60172

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

This home
$190K$868K

This home is worth more than 94% of homes in Roselle 60172.

How it measures up in Roselle 60172

The dot is this home. The mark in the middle is the typical home in Roselle 60172.

Estimated value$699,144
CheaperTypical $396,166Pricier

Pricier than 94% of homes nearby

Price per ft²$179
CheaperTypical $234Pricier

Pricier than 9% of homes nearby

Living area3,908 ft²
SmallerTypical 1,728 ft²Bigger

Bigger than 97% of homes nearby

Lot size1 ac
SmallerTypical 0.26 acBigger

Bigger than 81% of homes nearby

Year built1949
OlderTypical 1977Newer

Newer than 4% of homes nearby

How 21 Forest Ave ranks against every home in each area.
MeasureThis homeRoselle 60172DuPage County
Estimated valuepricier than$699,14494% of homes81% of homes
Price per ft²pricier than$1799% of homes7% of homes
Living areabigger than3,908 ft²97% of homes94% of homes
Lot sizebigger than1 ac81% of homes86% of homes
Year builtnewer than19494% of homes8% of homes

About 21 Forest Ave

How much is 21 Forest Ave, Roselle, IL worth?

The TopHap Estimate for 21 Forest Ave, Roselle, IL is $699,144 as of Aug 30, 2026. The likely range is $651,366 to $746,922. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Forest Ave, Roselle, IL last sell?

21 Forest Ave, Roselle, IL last sold on Sep 12, 2006 for $675,000, according to the county's recorded deed.

How big is 21 Forest Ave, Roselle, IL?

21 Forest Ave, Roselle, IL has 4 bedrooms, 3 bathrooms and 3,908 square feet of living space.

When was 21 Forest Ave, Roselle, IL built?

21 Forest Ave, Roselle, IL was built in 1949, making it 77 years old. The building has 2 stories.

What schools serve 21 Forest Ave, Roselle, IL?

21 Forest Ave, Roselle, IL is assigned to Roselle Middle School (middle), rated A+; Spring Hills Elementary School (elementary), rated A; Lake Park High School (high), rated B+. All sit in Roselle School District 12. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Forest Ave, Roselle, IL compare to other homes in Roselle 60172?

Among the 8,990 homes in Roselle 60172, it is worth more than 94% of them ($699,144 against a typical $396,166), its price per square foot is higher than 9% of them ($179 against a typical $234), it is bigger than 97% of them (3,908 ft² against a typical 1,728 ft²), its lot is bigger than 81% of them (1 ac against a typical 0.26 ac) and it is newer than 4% of them (1949 against a typical 1977). Measured against all of DuPage County, it is worth more than 81% 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 21 Forest Ave, Roselle, IL?

The 2025 property tax bill for 21 Forest Ave, Roselle, IL was $14,099. The county assessed it at $213,840.

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Assigned schools

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