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Single Family ResidenceResidential
$334,764$174 / 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 97How 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

454 MAIN ST

OSWEGO, IL 60543
3
Beds
2 / 1
Baths
1,920 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.
1919
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$335K
$324K low$346K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,042 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$86,085 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,023
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$66,062
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$86,085
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$258,255

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.27
93
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
27
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.53 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyKendall
Lot (acres)The size of the land the home sits on, from county records.0.20
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Gas
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

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

H
Oswego High SchoolB-
High · Grades 9–12 · 1.0 mi
M
Traughber Junior High SchoolB
Middle · Grades 6–8 · 1.5 mi
E
Southbury Elementary SchoolB+
Elementary · Grades KG–5 · 1.7 mi

District: Oswego Community Unit School District 308

Neighborhood · ZIP 60543These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.51

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.49,227
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,097 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,485
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,927
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

454 Main 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 Oswego 60543
  • Costs less per square foot than 75% of homes in Oswego 60543
  • Has a smaller lot than 75% of homes in Oswego 60543
  • Among the oldest homes in Oswego 60543

What homes are worth in Oswego 60543

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

This home
$187K$768K

This home is worth more than 29% of homes in Oswego 60543.

How it measures up in Oswego 60543

The dot is this home. The mark in the middle is the typical home in Oswego 60543.

Estimated value$334,764
CheaperTypical $412,785Pricier

Pricier than 29% of homes nearby

Price per ft²$174
CheaperTypical $193Pricier

Pricier than 25% of homes nearby

Living area1,920 ft²
SmallerTypical 2,124 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.2 ac
SmallerTypical 0.25 acBigger

Bigger than 25% of homes nearby

Year built1919
OlderTypical 2001Newer

Older than almost all homes nearby

How 454 Main St ranks against every home in each area.
MeasureThis homeOswego 60543Kendall County
Estimated valuepricier than$334,76429% of homes35% of homes
Price per ft²pricier than$17425% of homes29% of homes
Living areabigger than1,920 ft²42% of homes48% of homes
Lot sizebigger than0.2 ac25% of homes28% of homes
Year builtnewer than1919almost no homes3% of homes

About 454 Main St

How much is 454 Main St, Oswego, IL worth?

The TopHap Estimate for 454 Main St, Oswego, IL is $334,764 as of Oct 21, 2026. The likely range is $323,856 to $345,672. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 454 Main St, Oswego, IL?

454 Main St, Oswego, IL has 3 bedrooms, 2 bathrooms, 1,920 square feet of living space and a 0.20-acre lot.

When was 454 Main St, Oswego, IL built?

454 Main St, Oswego, IL was built in 1919, making it 107 years old. The building has 2 stories.

What schools serve 454 Main St, Oswego, IL?

454 Main St, Oswego, IL is assigned to Oswego High School (high), rated B-; Traughber Junior High School (middle), rated B; Southbury Elementary School (elementary), rated B+. All sit in Oswego Community Unit School District 308. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 454 Main St, Oswego, IL compare to other homes in Oswego 60543?

Among the 13,623 homes in Oswego 60543, it is worth more than 29% of them ($334,764 against a typical $412,785), its price per square foot is higher than 25% of them ($174 against a typical $193), it is bigger than 42% of them (1,920 ft² against a typical 2,124 ft²), its lot is bigger than 25% of them (0.2 ac against a typical 0.25 ac) and it is newer than almost none of them (1919 against a typical 2001). Measured against all of Kendall County, it is worth more than 35% 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 454 Main St, Oswego, IL?

The 2024 property tax bill for 454 Main St, Oswego, IL was $6,042. The county assessed it at $86,085.

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