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Single Family ResidenceResidential
$330,131$191 / 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 92How 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

321 ROUND HILL CT

BOLINGBROOK, IL 60440
3
Beds
1
Baths
1,726 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$330K
$305K low$355K 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.$195,131
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$156,105
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.38%
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.$60,000
FIRST CHICAGO NEIGHBORHOOD MTG · R · recorded Oct 7, 1997
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.$75,000
BANK ONE NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,043 (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.$87,421 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,174
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$67,247
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$78,659
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$262,263

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.45
38
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.
74
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.Raised Ranch
CountyWILL
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Brick
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Jonas E Salk Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
M
Hubert H Humphrey Middle SchoolB
Middle · Grades 6–8 · 0.4 mi
H
Bolingbrook High SchoolA-
High · Grades 9–12 · 2.5 mi

District: Valley View Community Unit School District 365u

Neighborhood · ZIP 60440These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.52

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.55,981
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,322 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,505
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,853
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

321 Round Hill 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.

  • Costs less per square foot than 70% of homes in Bolingbrook 60440
  • Has a bigger lot than 71% of homes in Bolingbrook 60440
  • Older than 72% of homes in Will County

What homes are worth in Bolingbrook 60440

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

This home
$178K$587K

This home is worth more than 51% of homes in Bolingbrook 60440.

How it measures up in Bolingbrook 60440

The dot is this home. The mark in the middle is the typical home in Bolingbrook 60440.

Estimated value$330,131
CheaperTypical $328,555Pricier

Pricier than 51% of homes nearby

Price per ft²$191
CheaperTypical $207Pricier

Pricier than 30% of homes nearby

Living area1,726 ft²
SmallerTypical 1,587 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.22 ac
SmallerTypical 0.19 acBigger

Bigger than 71% of homes nearby

Year built1974
OlderTypical 1975Newer

Newer than 48% of homes nearby

How 321 Round Hill Ct ranks against every home in each area.
MeasureThis homeBolingbrook 60440Will County
Estimated valuepricier than$330,13151% of homes38% of homes
Price per ft²pricier than$19130% of homes34% of homes
Living areabigger than1,726 ft²60% of homes46% of homes
Lot sizebigger than0.22 ac71% of homes42% of homes
Year builtnewer than197448% of homes28% of homes

About 321 Round Hill Ct

How much is 321 Round Hill Ct, Bolingbrook, IL worth?

The TopHap Estimate for 321 Round Hill Ct, Bolingbrook, IL is $330,131 as of Jul 14, 2026. The likely range is $305,128 to $355,134. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Round Hill Ct, Bolingbrook, IL last sell?

321 Round Hill Ct, Bolingbrook, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 321 Round Hill Ct, Bolingbrook, IL?

321 Round Hill Ct, Bolingbrook, IL has 3 bedrooms, 1 bathrooms, 1,726 square feet of living space and a 0.22-acre lot.

When was 321 Round Hill Ct, Bolingbrook, IL built?

321 Round Hill Ct, Bolingbrook, IL was built in 1974, making it 52 years old. It is a raised ranch home.

What schools serve 321 Round Hill Ct, Bolingbrook, IL?

321 Round Hill Ct, Bolingbrook, IL is assigned to Jonas E Salk Elementary School (elementary), rated A-; Hubert H Humphrey Middle School (middle), rated B; Bolingbrook High School (high), rated A-. All sit in Valley View Community Unit School District 365u. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Round Hill Ct, Bolingbrook, IL compare to other homes in Bolingbrook 60440?

Among the 15,137 homes in Bolingbrook 60440, it is worth more than 51% of them ($330,131 against a typical $328,555), its price per square foot is higher than 30% of them ($191 against a typical $207), it is bigger than 60% of them (1,726 ft² against a typical 1,587 ft²), its lot is bigger than 71% of them (0.22 ac against a typical 0.19 ac) and it is newer than 48% of them (1974 against a typical 1975). Measured against all of Will County, it is worth more than 38% 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 321 Round Hill Ct, Bolingbrook, IL?

The 2025 property tax bill for 321 Round Hill Ct, Bolingbrook, IL was $7,043. The county assessed it at $87,421.

Closest homes

More homes in Bolingbrook 60440

Assigned schools

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