Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$929,173$221 / 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 94How 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 $820,000 on Jan 13, 2023

677 LOOKOUT CT

NAPERVILLE, IL 60540
2.5
Baths
4,205 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.
1978
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

$929K
$876K low$983K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$820,000 · Jan 13, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,004 (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.$257,097 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$88,486
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$168,611
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$236,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$771,291

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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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 · 0.7 mi
M
Washington Junior High SchoolA
Middle · Grades 5–8 · 1.6 mi
H
Naperville North High SchoolA+
High · Grades 9–12 · 2.2 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%

Owner Tools

Do you own this home?
Claim this home

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

677 Lookout Ct 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 91% of homes in DuPage County
  • Costs less per square foot than 86% of homes in Naperville 60540
  • Bigger than 95% of homes in DuPage County

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 82% 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$929,173
CheaperTypical $651,959Pricier

Pricier than 82% of homes nearby

Price per ft²$221
CheaperTypical $261Pricier

Pricier than 14% of homes nearby

Living area4,205 ft²
SmallerTypical 2,450 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.27 ac
SmallerTypical 0.25 acBigger

Bigger than 59% of homes nearby

Year built1978
OlderTypical 1983Newer

Newer than 41% of homes nearby

How 677 Lookout Ct ranks against every home in each area.
MeasureThis homeNaperville 60540DuPage County
Estimated valuepricier than$929,17382% of homes91% of homes
Price per ft²pricier than$22114% of homes29% of homes
Living areabigger than4,205 ft²88% of homes95% of homes
Lot sizebigger than0.27 ac59% of homes57% of homes
Year builtnewer than197841% of homes53% of homes

About 677 Lookout Ct

How much is 677 Lookout Ct, Naperville, IL worth?

The TopHap Estimate for 677 Lookout Ct, Naperville, IL is $929,173 as of Sep 24, 2026. The likely range is $875,507 to $982,839. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 677 Lookout Ct, Naperville, IL last sell?

677 Lookout Ct, Naperville, IL last sold on Jan 13, 2023 for $820,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 677 Lookout Ct, Naperville, IL?

677 Lookout Ct, Naperville, IL has 2.5 bathrooms, 4,205 square feet of living space and a 0.27-acre lot.

When was 677 Lookout Ct, Naperville, IL built?

677 Lookout Ct, Naperville, IL was built in 1978, making it 48 years old. The building has 2 stories.

What schools serve 677 Lookout Ct, Naperville, IL?

677 Lookout Ct, Naperville, IL is assigned to Prairie Elementary School (elementary), rated A+; Washington Junior High School (middle), rated A; 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 677 Lookout Ct, Naperville, IL compare to other homes in Naperville 60540?

Among the 14,044 homes in Naperville 60540, it is worth more than 82% of them ($929,173 against a typical $651,959), its price per square foot is higher than 14% of them ($221 against a typical $261), it is bigger than 88% of them (4,205 ft² against a typical 2,450 ft²), its lot is bigger than 59% of them (0.27 ac against a typical 0.25 ac) and it is newer than 41% of them (1978 against a typical 1983). Measured against all of DuPage County, it is worth more than 91% 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 677 Lookout Ct, Naperville, IL?

The 2025 property tax bill for 677 Lookout Ct, Naperville, IL was $15,004. The county assessed it at $257,097.

More homes on Lookout Ct

Closest homes

More homes in Naperville 60540

Assigned schools

Explore the area

See this home in context

Open 677 Lookout Ct on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map