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Single Family ResidenceResidential
$720,517$278 / 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 Jul 14, 2026

623 BULL RUN CT

NAPERVILLE, IL 60540
2.5
Baths
2,591 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
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

$721K
$667K low$774K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$254,517
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$203,614
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.73%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$306,000
BMO HARRIS BANK · R · recorded Jul 6, 2012
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$80,000
LASALLE NATIONAL BANK
3rd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$80,000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,529 (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.$230,873 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$89,025
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$141,848
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$210,516
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$692,619

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.0.31
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Central
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.

E
Elmwood Elementary SchoolA-
Elementary · Grades KG–5 · 0.6 mi
H
Naperville Central High SchoolA+
High · Grades 9–12 · 0.9 mi
M
Lincoln Junior High SchoolA
Middle · Grades 6–8 · 1.2 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

623 Bull Run 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 83% of homes in DuPage County
  • Costs more per square foot than 69% of homes in DuPage County
  • Bigger than 76% of homes in DuPage County
  • Has a bigger lot than 74% 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
$250K$2M

This home is worth more than 63% 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$720,517
CheaperTypical $636,803Pricier

Pricier than 63% of homes nearby

Price per ft²$278
CheaperTypical $256Pricier

Pricier than 67% of homes nearby

Living area2,591 ft²
SmallerTypical 2,447 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.31 ac
SmallerTypical 0.25 acBigger

Bigger than 74% of homes nearby

Year built1977
OlderTypical 1983Newer

Newer than 38% of homes nearby

How 623 Bull Run Ct ranks against every home in each area.
MeasureThis homeNaperville 60540DuPage County
Estimated valuepricier than$720,51763% of homes83% of homes
Price per ft²pricier than$27867% of homes69% of homes
Living areabigger than2,591 ft²56% of homes76% of homes
Lot sizebigger than0.31 ac74% of homes66% of homes
Year builtnewer than197738% of homes50% of homes

About 623 Bull Run Ct

How much is 623 Bull Run Ct, Naperville, IL worth?

The TopHap Estimate for 623 Bull Run Ct, Naperville, IL is $720,517 as of Jul 14, 2026. The likely range is $667,072 to $773,962. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 623 Bull Run Ct, Naperville, IL last sell?

623 Bull Run Ct, Naperville, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 623 Bull Run Ct, Naperville, IL?

623 Bull Run Ct, Naperville, IL has 2.5 bathrooms, 2,591 square feet of living space and a 0.31-acre lot.

When was 623 Bull Run Ct, Naperville, IL built?

623 Bull Run Ct, Naperville, IL was built in 1977, making it 49 years old. The building has 2 stories.

What schools serve 623 Bull Run Ct, Naperville, IL?

623 Bull Run Ct, Naperville, IL is assigned to Elmwood Elementary School (elementary), rated A-; Naperville Central High School (high), rated A+; Lincoln Junior High School (middle), rated A. All sit in Naperville Community Unit District 203. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 623 Bull Run Ct, Naperville, IL compare to other homes in Naperville 60540?

Among the 14,044 homes in Naperville 60540, it is worth more than 63% of them ($720,517 against a typical $636,803), its price per square foot is higher than 67% of them ($278 against a typical $256), it is bigger than 56% of them (2,591 ft² against a typical 2,447 ft²), its lot is bigger than 74% of them (0.31 ac against a typical 0.25 ac) and it is newer than 38% of them (1977 against a typical 1983). Measured against all of DuPage County, it is worth more than 83% 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 623 Bull Run Ct, Naperville, IL?

The 2025 property tax bill for 623 Bull Run Ct, Naperville, IL was $12,529. The county assessed it at $230,873.

Closest homes

More homes in Naperville 60540

Assigned schools

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