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Single Family ResidenceResidential
$481,345$201 / 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 97How 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 $299,000 on Sep 29, 2005

1109 SOUTHPORT AVE

LISLE, IL 60532
4
Beds
2
Baths
2,390 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$481K
$465K low$497K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$299,000 · Sep 29, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,784 (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.$128,002 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,345
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$84,657
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$117,941
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$384,006

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.32 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.1 percent flood zone

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
Lot (acres)The size of the land the home sits on, from county records.0.27
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

H
Lisle High SchoolC-
High · Grades 9–12 · 0.7 mi
M
Lisle Jr High SchoolA-
Middle · Grades 6–8 · 0.8 mi
E
Lisle Elementary SchoolA
Elementary · Grades PK–5 · 1.8 mi

District: Lisle Community Unit School District 202

Neighborhood · ZIP 60532These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.51

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
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.29,488
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,068 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,261
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,102
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

1109 Southport 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.

  • Costs less per square foot than 83% of homes in DuPage County
  • Bigger than 70% of homes in DuPage County
  • Older than 93% of homes in Lisle 60532

What homes are worth in Lisle 60532

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

This home
$141K$1.1M

This home is worth more than 57% of homes in Lisle 60532.

How it measures up in Lisle 60532

The dot is this home. The mark in the middle is the typical home in Lisle 60532.

Estimated value$481,345
CheaperTypical $449,666Pricier

Pricier than 57% of homes nearby

Price per ft²$201
CheaperTypical $240Pricier

Pricier than 19% of homes nearby

Living area2,390 ft²
SmallerTypical 1,867 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.27 ac
SmallerTypical 0.28 acBigger

Bigger than 44% of homes nearby

Year built1956
OlderTypical 1978Newer

Newer than 7% of homes nearby

How 1109 Southport Ave ranks against every home in each area.
MeasureThis homeLisle 60532DuPage County
Estimated valuepricier than$481,34557% of homes56% of homes
Price per ft²pricier than$20119% of homes17% of homes
Living areabigger than2,390 ft²68% of homes70% of homes
Lot sizebigger than0.27 ac44% of homes57% of homes
Year builtnewer than19567% of homes16% of homes

About 1109 Southport Ave

How much is 1109 Southport Ave, Lisle, IL worth?

The TopHap Estimate for 1109 Southport Ave, Lisle, IL is $481,345 as of Sep 24, 2026. The likely range is $465,374 to $497,316. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1109 Southport Ave, Lisle, IL last sell?

1109 Southport Ave, Lisle, IL last sold on Sep 29, 2005 for $299,000, according to the county's recorded deed.

How big is 1109 Southport Ave, Lisle, IL?

1109 Southport Ave, Lisle, IL has 4 bedrooms, 2 bathrooms, 2,390 square feet of living space and a 0.27-acre lot.

When was 1109 Southport Ave, Lisle, IL built?

1109 Southport Ave, Lisle, IL was built in 1956, making it 70 years old. The building has 2 stories.

What schools serve 1109 Southport Ave, Lisle, IL?

1109 Southport Ave, Lisle, IL is assigned to Lisle High School (high), rated C-; Lisle Jr High School (middle), rated A-; Lisle Elementary School (elementary), rated A. All sit in Lisle Community Unit School District 202. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1109 Southport Ave, Lisle, IL compare to other homes in Lisle 60532?

Among the 9,252 homes in Lisle 60532, it is worth more than 57% of them ($481,345 against a typical $449,666), its price per square foot is higher than 19% of them ($201 against a typical $240), it is bigger than 68% of them (2,390 ft² against a typical 1,867 ft²), its lot is bigger than 44% of them (0.27 ac against a typical 0.28 ac) and it is newer than 7% of them (1956 against a typical 1978). Measured against all of DuPage County, it is worth more than 56% 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 1109 Southport Ave, Lisle, IL?

The 2025 property tax bill for 1109 Southport Ave, Lisle, IL was $7,784. The county assessed it at $128,002.

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