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Single Family ResidenceResidential
$362,041$286 / 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 Sep 24, 2026
Last sold for $111,000 on Dec 30, 1998

309 N PARK ST

WESTMONT, IL 60559
2
Baths
1,268 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$362K
$337K low$387K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$111,000 · Dec 30, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,128 (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.$106,187 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$48,217
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$57,970
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$98,413
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$318,561

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.24 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
CountyDUPAGE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1990
Lot (acres)The size of the land the home sits on, from county records.0.47
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.

Foreclosure Filings(3)

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

E
C E Miller Elementary School
Elementary · Grades KG–1 · 0.3 mi
M
Westmont Jr High SchoolA
Middle · Grades 6–8 · 1.4 mi
H
Westmont High SchoolA
High · Grades 9–12 · 1.5 mi

District: Westmont Community Unit School District 201

Neighborhood · ZIP 60559These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.23,724
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,552 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,823
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,007
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

309 N Park 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.

  • Worth less than 71% of homes in DuPage County
  • Costs more per square foot than 71% of homes in DuPage County
  • Smaller than 78% of homes in DuPage County
  • Has a bigger lot than 87% of homes in Westmont 60559
  • Older than 87% of homes in DuPage County

What homes are worth in Westmont 60559

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

This home
$195K$1.1M

This home is worth more than 35% of homes in Westmont 60559.

How it measures up in Westmont 60559

The dot is this home. The mark in the middle is the typical home in Westmont 60559.

Estimated value$362,041
CheaperTypical $420,541Pricier

Pricier than 35% of homes nearby

Price per ft²$286
CheaperTypical $280Pricier

Pricier than 53% of homes nearby

Living area1,268 ft²
SmallerTypical 1,450 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.47 ac
SmallerTypical 0.21 acBigger

Bigger than 87% of homes nearby

Year built1954
OlderTypical 1977Newer

Newer than 20% of homes nearby

How 309 N Park St ranks against every home in each area.
MeasureThis homeWestmont 60559DuPage County
Estimated valuepricier than$362,04135% of homes29% of homes
Price per ft²pricier than$28653% of homes71% of homes
Living areabigger than1,268 ft²37% of homes22% of homes
Lot sizebigger than0.47 ac87% of homes77% of homes
Year builtnewer than195420% of homes13% of homes

About 309 N Park St

How much is 309 N Park St, Westmont, IL worth?

The TopHap Estimate for 309 N Park St, Westmont, IL is $362,041 as of Sep 24, 2026. The likely range is $337,005 to $387,077. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 N Park St, Westmont, IL last sell?

309 N Park St, Westmont, IL last sold on Dec 30, 1998 for $111,000, according to the county's recorded deed.

How big is 309 N Park St, Westmont, IL?

309 N Park St, Westmont, IL has 2 bathrooms, 1,268 square feet of living space and a 0.47-acre lot.

When was 309 N Park St, Westmont, IL built?

309 N Park St, Westmont, IL was built in 1954, making it 72 years old. The building has 1 story.

What schools serve 309 N Park St, Westmont, IL?

309 N Park St, Westmont, IL is assigned to C E Miller Elementary School (elementary); Westmont Jr High School (middle), rated A; Westmont High School (high), rated A. All sit in Westmont Community Unit School District 201. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 N Park St, Westmont, IL compare to other homes in Westmont 60559?

Among the 6,971 homes in Westmont 60559, it is worth more than 35% of them ($362,041 against a typical $420,541), its price per square foot is higher than 53% of them ($286 against a typical $280), it is bigger than 37% of them (1,268 ft² against a typical 1,450 ft²), its lot is bigger than 87% of them (0.47 ac against a typical 0.21 ac) and it is newer than 20% of them (1954 against a typical 1977). Measured against all of DuPage County, it is worth more than 29% 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 309 N Park St, Westmont, IL?

The 2025 property tax bill for 309 N Park St, Westmont, IL was $6,128. The county assessed it at $106,187.

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