Skip to content
Skip to content
TopHapOpen in map
Single Family ResidentialResidential
$190,597$124 / 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

645 ELM ST

SOUTH WILMINGTON, IL 60474
0
Baths
1,534 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.

Valuation

$191K
$174K low$207K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,709 (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.$66,579 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,881
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$60,698
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$63,126
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$199,737

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyGRUNDY
Lot (acres)The size of the land the home sits on, from county records.0.16
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
South Wilmington Grade SchoolB
Elementary · Grades KG–8 · 0.2 mi
H
Gardner-South Wilmington Township High SchoolC+
High · Grades 9–12 · 1.5 mi

District: South Wilmington Consolidated School District 74

Neighborhood · ZIP 60474These 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.133
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
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.1.9%
PopulationHow many people live in this area.6
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.60 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,742
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,936
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.54%

Owner Tools

Do you own this home?
Claim this home

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

645 Elm 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 89% of homes in Grundy County
  • Costs less per square foot than 94% of homes in Grundy County
  • Bigger than 68% of homes in South Wilmington 60474
  • Has a smaller lot than 82% of homes in Grundy County
  • Newer than 84% of homes in South Wilmington 60474

What homes are worth in South Wilmington 60474

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

This home
$86K$378K

This home is worth more than 59% of homes in South Wilmington 60474.

How it measures up in South Wilmington 60474

The dot is this home. The mark in the middle is the typical home in South Wilmington 60474.

Estimated value$190,597
CheaperTypical $176,270Pricier

Pricier than 59% of homes nearby

Price per ft²$124
CheaperTypical $140Pricier

Pricier than 26% of homes nearby

Living area1,534 ft²
SmallerTypical 1,280 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.16 ac
SmallerTypical 0.24 acBigger

Bigger than 41% of homes nearby

Year built1993
OlderTypical 1955Newer

Newer than 84% of homes nearby

How 645 Elm St ranks against every home in each area.
MeasureThis homeSouth Wilmington 60474Grundy County
Estimated valuepricier than$190,59759% of homes11% of homes
Price per ft²pricier than$12426% of homes6% of homes
Living areabigger than1,534 ft²68% of homes44% of homes
Lot sizebigger than0.16 ac41% of homes18% of homes
Year builtnewer than199384% of homes53% of homes

About 645 Elm St

How much is 645 Elm St, South Wilmington, IL worth?

The TopHap Estimate for 645 Elm St, South Wilmington, IL is $190,597 as of Sep 24, 2026. The likely range is $173,921 to $207,273. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 645 Elm St, South Wilmington, IL last sell?

645 Elm St, South Wilmington, IL last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 645 Elm St, South Wilmington, IL?

645 Elm St, South Wilmington, IL has 1,534 square feet of living space and a 0.16-acre lot.

When was 645 Elm St, South Wilmington, IL built?

645 Elm St, South Wilmington, IL was built in 1993, making it 33 years old.

What schools serve 645 Elm St, South Wilmington, IL?

645 Elm St, South Wilmington, IL is assigned to South Wilmington Grade School (elementary), rated B; Gardner-South Wilmington Township High School (high), rated C+. All sit in South Wilmington Consolidated School District 74. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 Elm St, South Wilmington, IL compare to other homes in South Wilmington 60474?

Among the 381 homes in South Wilmington 60474, it is worth more than 59% of them ($190,597 against a typical $176,270), its price per square foot is higher than 26% of them ($124 against a typical $140), it is bigger than 68% of them (1,534 ft² against a typical 1,280 ft²), its lot is bigger than 41% of them (0.16 ac against a typical 0.24 ac) and it is newer than 84% of them (1993 against a typical 1955). Measured against all of Grundy County, it is worth more than 11% 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 645 Elm St, South Wilmington, IL?

The 2025 property tax bill for 645 Elm St, South Wilmington, IL was $5,709. The county assessed it at $66,579.

More homes on Elm St

Closest homes

More homes in South Wilmington 60474

Assigned schools

Explore the area

See this home in context

Open 645 Elm St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map