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Single Family ResidentialResidential
$280,470
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 88How 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 $230,000 on Oct 20, 2023

521 ELM ST

SANDWICH, IL 60548
0
Baths
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$280K
$248K low$313K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · Oct 20, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,054 (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.$86,906 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,376
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$66,530
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$79,833
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$260,718

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyDeKalb
Lot (acres)The size of the land the home sits on, from county records.0.21
HeatingThe type of heating system in the home.None

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Neighborhood · ZIP 60548These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.52

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.11,564
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.289 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,207
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,564
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.53%

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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

521 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 66% of homes in Sandwich 60548
  • Has a smaller lot than 84% of homes in Sandwich 60548

What homes are worth in Sandwich 60548

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

This home
$179K$669K

This home is worth more than 34% of homes in Sandwich 60548.

How it measures up in Sandwich 60548

The dot is this home. The mark in the middle is the typical home in Sandwich 60548.

Estimated value$280,470
CheaperTypical $318,259Pricier

Pricier than 34% of homes nearby

Lot size0.21 ac
SmallerTypical 0.35 acBigger

Bigger than 16% of homes nearby

How 521 Elm St ranks against every home in each area.
MeasureThis homeSandwich 60548DeKalb County
Estimated valuepricier than$280,47034% of homes47% of homes
Lot sizebigger than0.21 ac16% of homes30% of homes

About 521 Elm St

How much is 521 Elm St, Sandwich, IL worth?

The TopHap Estimate for 521 Elm St, Sandwich, IL is $280,470 as of Sep 24, 2026. The likely range is $247,555 to $313,385. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Elm St, Sandwich, IL last sell?

521 Elm St, Sandwich, IL last sold on Oct 20, 2023 for $230,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How does 521 Elm St, Sandwich, IL compare to other homes in Sandwich 60548?

Among the 3,838 homes in Sandwich 60548, it is worth more than 34% of them ($280,470 against a typical $318,259) and its lot is bigger than 16% of them (0.21 ac against a typical 0.35 ac). Measured against all of DeKalb County, it is worth more than 47% 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 521 Elm St, Sandwich, IL?

The 2025 property tax bill for 521 Elm St, Sandwich, IL was $6,054. The county assessed it at $86,906.

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