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Single Family ResidenceResidential
$614,099$312 / 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 96How 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 $305,000 on Jan 7, 2013

1121 MARY LN

NAPERVILLE, IL 60540
2.5
Baths
1,970 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.
1966
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$614K
$589K low$639K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$305,000 · Jan 7, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,423 (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.$169,455 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$82,159
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$87,296
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$156,137
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$508,365

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
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(2)

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
Prairie Elementary SchoolA+
Elementary · Grades KG–5 · 0.2 mi
M
Washington Junior High SchoolB+
Middle · Grades 5–8 · 1.2 mi
H
Naperville North High SchoolA
High · Grades 9–12 · 1.8 mi

District: Naperville Community Unit District 203

Neighborhood · ZIP 60540These 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.74
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
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.96%
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.5.2%
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.45,217
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,223 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$143,923
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$182,929
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

1121 Mary Ln 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 74% of homes in DuPage County
  • Costs more per square foot than 83% of homes in Naperville 60540
  • Smaller than 72% of homes in Naperville 60540
  • Older than 80% of homes in Naperville 60540

What homes are worth in Naperville 60540

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

This home
$239K$2.1M

This home is worth more than 44% of homes in Naperville 60540.

How it measures up in Naperville 60540

The dot is this home. The mark in the middle is the typical home in Naperville 60540.

Estimated value$614,099
CheaperTypical $646,860Pricier

Pricier than 44% of homes nearby

Price per ft²$312
CheaperTypical $259Pricier

Pricier than 83% of homes nearby

Living area1,970 ft²
SmallerTypical 2,460 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.27 ac
SmallerTypical 0.25 acBigger

Bigger than 59% of homes nearby

Year built1966
OlderTypical 1983Newer

Newer than 20% of homes nearby

How 1121 Mary Ln ranks against every home in each area.
MeasureThis homeNaperville 60540DuPage County
Estimated valuepricier than$614,09944% of homes74% of homes
Price per ft²pricier than$31283% of homes81% of homes
Living areabigger than1,970 ft²28% of homes56% of homes
Lot sizebigger than0.27 ac59% of homes58% of homes
Year builtnewer than196620% of homes28% of homes

About 1121 Mary Ln

How much is 1121 Mary Ln, Naperville, IL worth?

The TopHap Estimate for 1121 Mary Ln, Naperville, IL is $614,099 as of Aug 30, 2026. The likely range is $589,160 to $639,038. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1121 Mary Ln, Naperville, IL last sell?

1121 Mary Ln, Naperville, IL last sold on Jan 7, 2013 for $305,000, according to the county's recorded deed.

How big is 1121 Mary Ln, Naperville, IL?

1121 Mary Ln, Naperville, IL has 2.5 bathrooms, 1,970 square feet of living space and a 0.27-acre lot.

When was 1121 Mary Ln, Naperville, IL built?

1121 Mary Ln, Naperville, IL was built in 1966, making it 60 years old. The building has 2 stories.

What schools serve 1121 Mary Ln, Naperville, IL?

1121 Mary Ln, Naperville, IL is assigned to Prairie Elementary School (elementary), rated A+; Washington Junior High School (middle), rated B+; Naperville North High School (high), rated A. All sit in Naperville Community Unit District 203. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1121 Mary Ln, Naperville, IL compare to other homes in Naperville 60540?

Among the 14,044 homes in Naperville 60540, it is worth more than 44% of them ($614,099 against a typical $646,860), its price per square foot is higher than 83% of them ($312 against a typical $259), it is bigger than 28% of them (1,970 ft² against a typical 2,460 ft²), its lot is bigger than 59% of them (0.27 ac against a typical 0.25 ac) and it is newer than 20% of them (1966 against a typical 1983). Measured against all of DuPage County, it is worth more than 74% 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 1121 Mary Ln, Naperville, IL?

The 2025 property tax bill for 1121 Mary Ln, Naperville, IL was $9,423. The county assessed it at $169,455.

More homes on Mary Ln

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