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Single Family ResidentialResidential
$93,704$100 / 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 91How 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

409 UNION ST

TROY GROVE, IL 61372
0
Baths
941 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.
0.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$94K
$85K low$102K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,865 (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.$26,607 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,548
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,059
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$24,478
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$79,821

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.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
60
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
19
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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 Residential
CountyLASALLE
Lot (acres)The size of the land the home sits on, from county records.0.70
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.

E
Blackstone Elementary School
Elementary · Grades KG–1 · 6.2 mi
M
Northbrook SchoolC+
Middle · Grades 5–8 · 6.8 mi
H
Mendota Township High SchoolC
High · Grades 9–12 · 7.6 mi

District: Mendota Township High School District 280

Neighborhood · ZIP 61372These 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.180
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.41

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.0%
PopulationHow many people live in this area.2
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.22 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,833
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,157
Average tempThe average temperature here across a full year.50°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.55%

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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

409 Union 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 85% of homes in LaSalle County
  • Costs less per square foot than 72% of homes in LaSalle County
  • Smaller than 89% of homes in Troy Grove 61372
  • Has a bigger lot than 83% of homes in Troy Grove 61372
  • Older than 82% of homes in LaSalle County

What homes are worth in Troy Grove 61372

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

This home
$51K$266K

This home is worth more than 21% of homes in Troy Grove 61372.

How it measures up in Troy Grove 61372

The dot is this home. The mark in the middle is the typical home in Troy Grove 61372.

Estimated value$93,704
CheaperTypical $133,935Pricier

Pricier than 21% of homes nearby

Price per ft²$100
CheaperTypical $96Pricier

Pricier than 60% of homes nearby

Living area941 ft²
SmallerTypical 1,478 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.7 ac
SmallerTypical 0.33 acBigger

Bigger than 83% of homes nearby

Year built1900
OlderTypical 1958Newer

Newer than 34% of homes nearby

How 409 Union St ranks against every home in each area.
MeasureThis homeTroy Grove 61372LaSalle County
Estimated valuepricier than$93,70421% of homes15% of homes
Price per ft²pricier than$10060% of homes28% of homes
Living areabigger than941 ft²11% of homes14% of homes
Lot sizebigger than0.7 ac83% of homes83% of homes
Year builtnewer than190034% of homes18% of homes

About 409 Union St

How much is 409 Union St, Troy Grove, IL worth?

The TopHap Estimate for 409 Union St, Troy Grove, IL is $93,704 as of Sep 24, 2026. The likely range is $85,392 to $102,016. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 409 Union St, Troy Grove, IL last sell?

409 Union St, Troy Grove, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 409 Union St, Troy Grove, IL?

409 Union St, Troy Grove, IL has 941 square feet of living space and a 0.70-acre lot.

When was 409 Union St, Troy Grove, IL built?

409 Union St, Troy Grove, IL was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 409 Union St, Troy Grove, IL?

409 Union St, Troy Grove, IL is assigned to Blackstone Elementary School (elementary); Northbrook School (middle), rated C+; Mendota Township High School (high), rated C. All sit in Mendota Township High School District 280. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 409 Union St, Troy Grove, IL compare to other homes in Troy Grove 61372?

Among the 111 homes in Troy Grove 61372, it is worth more than 21% of them ($93,704 against a typical $133,935), its price per square foot is higher than 60% of them ($100 against a typical $96), it is bigger than 11% of them (941 ft² against a typical 1,478 ft²), its lot is bigger than 83% of them (0.7 ac against a typical 0.33 ac) and it is newer than 34% of them (1900 against a typical 1958). Measured against all of LaSalle County, it is worth more than 15% 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 409 Union St, Troy Grove, IL?

The 2025 property tax bill for 409 Union St, Troy Grove, IL was $1,865. The county assessed it at $26,607.

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Assigned schools

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