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Single Family ResidentialResidential
$114,923$115 / 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 78How 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 $52,500 on Jan 18, 2023

345 1ST AVE

SOUTH WILMINGTON, IL 60474
0
Baths
996 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.
1920
Year BuiltThe year the home was originally built, according to county records.

Valuation

$115K
$89K low$141K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$52,500 · Jan 18, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,567 (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.$29,942 (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.$24,061
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$28,389
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$89,826

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.12 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 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(2)

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(5)

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 · 0.3 mi
H
Gardner-South Wilmington Township High SchoolC+
High · Grades 9–12 · 1.7 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%

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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

345 1st 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 98% of homes in Grundy County
  • Costs less per square foot than 95% of homes in Grundy County
  • Smaller than 89% of homes in Grundy County
  • Has a smaller lot than 82% of homes in Grundy County
  • Older than 89% of homes in Grundy County

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
$83K$368K

This home is worth more than 9% 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$114,923
CheaperTypical $176,185Pricier

Pricier than 9% of homes nearby

Price per ft²$115
CheaperTypical $140Pricier

Pricier than 20% of homes nearby

Living area996 ft²
SmallerTypical 1,280 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.16 ac
SmallerTypical 0.25 acBigger

Bigger than 41% of homes nearby

Year built1920
OlderTypical 1955Newer

Newer than 29% of homes nearby

How 345 1st Ave ranks against every home in each area.
MeasureThis homeSouth Wilmington 60474Grundy County
Estimated valuepricier than$114,9239% of homes2% of homes
Price per ft²pricier than$11520% of homes5% of homes
Living areabigger than996 ft²25% of homes11% of homes
Lot sizebigger than0.16 ac41% of homes18% of homes
Year builtnewer than192029% of homes11% of homes

About 345 1st Ave

How much is 345 1st Ave, South Wilmington, IL worth?

The TopHap Estimate for 345 1st Ave, South Wilmington, IL is $114,923 as of Sep 24, 2026. The likely range is $89,077 to $140,769. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 345 1st Ave, South Wilmington, IL last sell?

345 1st Ave, South Wilmington, IL last sold on Jan 18, 2023 for $52,500, according to the county's recorded deed.

How big is 345 1st Ave, South Wilmington, IL?

345 1st Ave, South Wilmington, IL has 996 square feet of living space and a 0.16-acre lot.

When was 345 1st Ave, South Wilmington, IL built?

345 1st Ave, South Wilmington, IL was built in 1920, making it 106 years old.

What schools serve 345 1st Ave, South Wilmington, IL?

345 1st Ave, 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 345 1st Ave, South Wilmington, IL compare to other homes in South Wilmington 60474?

Among the 381 homes in South Wilmington 60474, it is worth more than 9% of them ($114,923 against a typical $176,185), its price per square foot is higher than 20% of them ($115 against a typical $140), it is bigger than 25% of them (996 ft² against a typical 1,280 ft²), its lot is bigger than 41% of them (0.16 ac against a typical 0.25 ac) and it is newer than 29% of them (1920 against a typical 1955). Measured against all of Grundy County, it is worth more than 2% 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 345 1st Ave, South Wilmington, IL?

The 2025 property tax bill for 345 1st Ave, South Wilmington, IL was $2,567. The county assessed it at $29,942.

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