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Single Family ResidenceResidential
$489,011$277 / 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 $372,000 on Jun 23, 2021

405 NORTHAMPTON CT

NAPERVILLE, IL 60565
3
Baths
1,765 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.

Valuation

$489K
$472K low$506K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$372,000 · Jun 23, 2021

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$157,617 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,770
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$117,847
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$143,353
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$472,851

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.46
37
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
73
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyWILL
Lot (acres)The size of the land the home sits on, from county records.0.20
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Spring Brook Elementary SchoolA
Elementary · Grades KG–5 · 0.8 mi
M
Gregory Middle SchoolA
Middle · Grades 6–8 · 1.7 mi
H
Neuqua Valley High SchoolA+
High · Grades 9–12 · 2.6 mi

District: Indian Prairie Community Unit School District 204

Neighborhood · ZIP 60565These 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.25
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 100.56

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.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.0%
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.38,555
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,445 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$151,582
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$178,271
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

405 Northampton 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 less than 75% of homes in Naperville 60565
  • Costs more per square foot than 90% of homes in Will County
  • Smaller than 78% of homes in Naperville 60565
  • Has a smaller lot than 80% of homes in Naperville 60565
  • Older than 76% of homes in Naperville 60565

What homes are worth in Naperville 60565

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

This home
$226K$1.2M

This home is worth more than 25% of homes in Naperville 60565.

How it measures up in Naperville 60565

The dot is this home. The mark in the middle is the typical home in Naperville 60565.

Estimated value$489,011
CheaperTypical $638,407Pricier

Pricier than 25% of homes nearby

Price per ft²$277
CheaperTypical $259Pricier

Pricier than 74% of homes nearby

Living area1,765 ft²
SmallerTypical 2,432 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.2 ac
SmallerTypical 0.25 acBigger

Bigger than 20% of homes nearby

Year built1979
OlderTypical 1986Newer

Newer than 24% of homes nearby

How 405 Northampton Ct ranks against every home in each area.
MeasureThis homeNaperville 60565Will County
Estimated valuepricier than$489,01125% of homes73% of homes
Price per ft²pricier than$27774% of homes90% of homes
Living areabigger than1,765 ft²22% of homes48% of homes
Lot sizebigger than0.2 ac20% of homes38% of homes
Year builtnewer than197924% of homes35% of homes

About 405 Northampton Ct

How much is 405 Northampton Ct, Naperville, IL worth?

The TopHap Estimate for 405 Northampton Ct, Naperville, IL is $489,011 as of Aug 30, 2026. The likely range is $471,815 to $506,207. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 405 Northampton Ct, Naperville, IL last sell?

405 Northampton Ct, Naperville, IL last sold on Jun 23, 2021 for $372,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 405 Northampton Ct, Naperville, IL?

405 Northampton Ct, Naperville, IL has 3 bathrooms, 1,765 square feet of living space and a 0.20-acre lot.

When was 405 Northampton Ct, Naperville, IL built?

405 Northampton Ct, Naperville, IL was built in 1979, making it 47 years old. It is a ranch home.

What schools serve 405 Northampton Ct, Naperville, IL?

405 Northampton Ct, Naperville, IL is assigned to Spring Brook Elementary School (elementary), rated A; Gregory Middle School (middle), rated A; Neuqua Valley High School (high), rated A+. All sit in Indian Prairie Community Unit School District 204. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 405 Northampton Ct, Naperville, IL compare to other homes in Naperville 60565?

Among the 13,214 homes in Naperville 60565, it is worth more than 25% of them ($489,011 against a typical $638,407), its price per square foot is higher than 74% of them ($277 against a typical $259), it is bigger than 22% of them (1,765 ft² against a typical 2,432 ft²), its lot is bigger than 20% of them (0.2 ac against a typical 0.25 ac) and it is newer than 24% of them (1979 against a typical 1986). Measured against all of Will County, it is worth more than 73% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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