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Single Family ResidenceResidential
$321,081$284 / 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 96How 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 $225,000 on Dec 10, 2020

401 UNION AVE

SAINT CHARLES, IL 60174
3
Beds
2
Baths
1,131 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$321K
$309K low$333K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$225,000 · Dec 10, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,316 (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.$98,059 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,312
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$67,747
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$90,352
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$294,295

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.Ranch
CountyKANE
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.1974
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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.

E
Munhall Elementary SchoolA
Elementary · Grades KG–5 · 0.4 mi
H
St. Charles East High SchoolA
High · Grades 9–12 · 2.1 mi
M
Wredling Middle SchoolA+
Middle · Grades 6–8 · 2.4 mi

District: St. Charles Community Unit School District 303

Neighborhood · ZIP 60174These 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.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.55

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
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.30,798
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,043 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,802
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,882
Average tempThe average temperature here across a full year.48°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

401 Union Ave 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 87% of homes in Saint Charles 60174
  • Costs more per square foot than 90% of homes in Kane County
  • Smaller than 84% of homes in Kane County
  • Has a smaller lot than 91% of homes in Kane County
  • Older than 78% of homes in Saint Charles 60174

What homes are worth in Saint Charles 60174

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

This home
$240K$1.2M

This home is worth more than 13% of homes in Saint Charles 60174.

How it measures up in Saint Charles 60174

The dot is this home. The mark in the middle is the typical home in Saint Charles 60174.

Estimated value$321,081
CheaperTypical $438,806Pricier

Pricier than 13% of homes nearby

Price per ft²$284
CheaperTypical $257Pricier

Pricier than 66% of homes nearby

Living area1,131 ft²
SmallerTypical 1,734 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.14 ac
SmallerTypical 0.24 acBigger

Bigger than 10% of homes nearby

Year built1956
OlderTypical 1977Newer

Newer than 22% of homes nearby

How 401 Union Ave ranks against every home in each area.
MeasureThis homeSaint Charles 60174Kane County
Estimated valuepricier than$321,08113% of homes36% of homes
Price per ft²pricier than$28466% of homes90% of homes
Living areabigger than1,131 ft²18% of homes16% of homes
Lot sizebigger than0.14 ac10% of homes9% of homes
Year builtnewer than195622% of homes24% of homes

About 401 Union Ave

How much is 401 Union Ave, Saint Charles, IL worth?

The TopHap Estimate for 401 Union Ave, Saint Charles, IL is $321,081 as of Oct 21, 2026. The likely range is $308,924 to $333,238. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 401 Union Ave, Saint Charles, IL last sell?

401 Union Ave, Saint Charles, IL last sold on Dec 10, 2020 for $225,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 401 Union Ave, Saint Charles, IL?

401 Union Ave, Saint Charles, IL has 3 bedrooms, 2 bathrooms, 1,131 square feet of living space and a 0.14-acre lot.

When was 401 Union Ave, Saint Charles, IL built?

401 Union Ave, Saint Charles, IL was built in 1956, making it 70 years old. It is a ranch home. The building has 1 story.

What schools serve 401 Union Ave, Saint Charles, IL?

401 Union Ave, Saint Charles, IL is assigned to Munhall Elementary School (elementary), rated A; St. Charles East High School (high), rated A; Wredling Middle School (middle), rated A+. All sit in St. Charles Community Unit School District 303. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 401 Union Ave, Saint Charles, IL compare to other homes in Saint Charles 60174?

Among the 10,194 homes in Saint Charles 60174, it is worth more than 13% of them ($321,081 against a typical $438,806), its price per square foot is higher than 66% of them ($284 against a typical $257), it is bigger than 18% of them (1,131 ft² against a typical 1,734 ft²), its lot is bigger than 10% of them (0.14 ac against a typical 0.24 ac) and it is newer than 22% of them (1956 against a typical 1977). Measured against all of Kane County, it is worth more than 36% 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 401 Union Ave, Saint Charles, IL?

The 2025 property tax bill for 401 Union Ave, Saint Charles, IL was $6,316. The county assessed it at $98,059.

More homes on Union Ave

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