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Single Family ResidenceResidential
$528,656
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 Oct 21, 2026
Last sold for $529,000 on May 16, 2024

321 SUMMIT CIR

LOMBARD, IL 60148
0
Baths
1,307 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$529K
$491K low$567K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$529,000 · May 16, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,653 (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.$168,944 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,783
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,161
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$111,990
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$506,832

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.36
1
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.
69
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
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.

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
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.03
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.

M
Glenn Westlake Middle SchoolB-
Middle · Grades 6–8 · 1.0 mi
H
Glenbard East High SchoolC+
High · Grades 9–12 · 1.7 mi
E
Butterfield Elementary SchoolB
Elementary · Grades KG–5 · 1.8 mi

District: Lombard School District 44

Neighborhood · ZIP 60148These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.123
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.53,153
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,788 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,021
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,071
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

321 Summit Cir 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 89% of homes in Lombard 60148
  • Among the smallest lots in Lombard 60148

What homes are worth in Lombard 60148

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

This home
$158K$788K

This home is worth more than 89% of homes in Lombard 60148.

How it measures up in Lombard 60148

The dot is this home. The mark in the middle is the typical home in Lombard 60148.

Estimated value$528,656
CheaperTypical $372,520Pricier

Pricier than 89% of homes nearby

Lot size1,307 ft²
SmallerTypical 0.25 acBigger

Smaller than almost all homes nearby

How 321 Summit Cir ranks against every home in each area.
MeasureThis homeLombard 60148DuPage County
Estimated valuepricier than$528,65689% of homes63% of homes
Lot sizebigger than1,307 ft²almost no homes2% of homes

About 321 Summit Cir

How much is 321 Summit Cir, Lombard, IL worth?

The TopHap Estimate for 321 Summit Cir, Lombard, IL is $528,656 as of Oct 21, 2026. The likely range is $490,788 to $566,524. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Summit Cir, Lombard, IL last sell?

321 Summit Cir, Lombard, IL last sold on May 16, 2024 for $529,000, according to the county's recorded deed.

What schools serve 321 Summit Cir, Lombard, IL?

321 Summit Cir, Lombard, IL is assigned to Glenn Westlake Middle School (middle), rated B-; Glenbard East High School (high), rated C+; Butterfield Elementary School (elementary), rated B. All sit in Lombard School District 44. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Summit Cir, Lombard, IL compare to other homes in Lombard 60148?

Among the 17,689 homes in Lombard 60148, it is worth more than 89% of them ($528,656 against a typical $372,520) and its lot is bigger than almost none of them (1,307 ft² against a typical 0.25 ac). Measured against all of DuPage County, it is worth more than 63% 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 Summit Cir, Lombard, IL?

The 2025 property tax bill for 321 Summit Cir, Lombard, IL was $12,653. The county assessed it at $168,944.

More homes on Summit Cir

Closest homes

More homes in Lombard 60148

Assigned schools

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