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Single Family ResidenceResidential
$384,832
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 97How 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 $272,900 on Oct 30, 2020

17520 BONNEVILLE ST

LOCKPORT, IL 60441
1.5
Baths
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
Year BuiltThe year the home was originally built, according to county records.

Valuation

$385K
$373K low$396K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$272,900 · Oct 30, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,013 (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.$117,988 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27,726
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$90,262
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$110,064
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$353,964

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.52
64
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
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.
72
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
40
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.29 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
CountyWILL
Lot (acres)The size of the land the home sits on, from county records.0.16
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.

H
Lockport Township High SchoolA+
High · Grades 9–12 · 1.0 mi
E
Fairmount SchoolC+
Elementary · Grades PK–8 · 1.4 mi

District: Lockport Township High School District 205

Neighborhood · ZIP 60441These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.35,427
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,391 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,510
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,100
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

17520 Bonneville St 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.

  • Has a smaller lot than 82% of homes in Will County
  • Among the newest homes in Lockport 60441

What homes are worth in Lockport 60441

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

This home
$135K$682K

This home is worth more than 59% of homes in Lockport 60441.

How it measures up in Lockport 60441

The dot is this home. The mark in the middle is the typical home in Lockport 60441.

Estimated value$384,832
CheaperTypical $349,672Pricier

Pricier than 59% of homes nearby

Lot size0.16 ac
SmallerTypical 0.22 acBigger

Bigger than 19% of homes nearby

Year built2018
OlderTypical 1996Newer

Newer than almost all homes nearby

How 17520 Bonneville St ranks against every home in each area.
MeasureThis homeLockport 60441Will County
Estimated valuepricier than$384,83259% of homes54% of homes
Lot sizebigger than0.16 ac19% of homes18% of homes
Year builtnewer than2018almost all homes98% of homes

About 17520 Bonneville St

How much is 17520 Bonneville St, Lockport, IL worth?

The TopHap Estimate for 17520 Bonneville St, Lockport, IL is $384,832 as of Sep 24, 2026. The likely range is $373,282 to $396,382. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17520 Bonneville St, Lockport, IL last sell?

17520 Bonneville St, Lockport, IL last sold on Oct 30, 2020 for $272,900, according to the county's recorded deed.

How big is 17520 Bonneville St, Lockport, IL?

17520 Bonneville St, Lockport, IL has 1.5 bathrooms and a 0.16-acre lot.

When was 17520 Bonneville St, Lockport, IL built?

17520 Bonneville St, Lockport, IL was built in 2018, making it 8 years old.

What schools serve 17520 Bonneville St, Lockport, IL?

17520 Bonneville St, Lockport, IL is assigned to Lockport Township High School (high), rated A+; Fairmount School (elementary), rated C+. All sit in Lockport Township High School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17520 Bonneville St, Lockport, IL compare to other homes in Lockport 60441?

Among the 12,513 homes in Lockport 60441, it is worth more than 59% of them ($384,832 against a typical $349,672), its lot is bigger than 19% of them (0.16 ac against a typical 0.22 ac) and it is newer than almost all of them (2018 against a typical 1996). Measured against all of Will County, it is worth more than 54% 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 17520 Bonneville St, Lockport, IL?

The 2025 property tax bill for 17520 Bonneville St, Lockport, IL was $9,013. The county assessed it at $117,988.

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