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Residential (General/Single)Residential
$334,667
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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $296,500 on Jul 11, 2025

321 CASTLE ST

SANDWICH, IL 60548
4
Beds
1.5
Baths
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1860
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$335K
$290K low$379K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$296,500 · Jul 11, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,024 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$72,091 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,133
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$51,958
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$66,223
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$216,273

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyDEKALB
Lot (acres)The size of the land the home sits on, from county records.0.20
CoolingThe type of cooling or air conditioning in the home.Central
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(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.

Foreclosure Filings(2)

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

321 Castle 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 more than 66% of homes in DeKalb County
  • Has a smaller lot than 84% of homes in Sandwich 60548
  • Among the oldest 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
$185K$631K

This home is worth more than 56% 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$334,667
CheaperTypical $317,165Pricier

Pricier than 56% of homes nearby

Lot size0.2 ac
SmallerTypical 0.35 acBigger

Bigger than 16% of homes nearby

Year built1860
OlderTypical 1989Newer

Older than almost all homes nearby

How 321 Castle St ranks against every home in each area.
MeasureThis homeSandwich 60548DeKalb County
Estimated valuepricier than$334,66756% of homes66% of homes
Lot sizebigger than0.2 ac16% of homes29% of homes
Year builtnewer than1860almost no homesalmost no homes

About 321 Castle St

How much is 321 Castle St, Sandwich, IL worth?

The TopHap Estimate for 321 Castle St, Sandwich, IL is $334,667 as of Aug 30, 2026. The likely range is $289,966 to $379,368. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Castle St, Sandwich, IL last sell?

321 Castle St, Sandwich, IL last sold on Jul 11, 2025 for $296,500, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 321 Castle St, Sandwich, IL?

321 Castle St, Sandwich, IL has 4 bedrooms, 1.5 bathrooms and a 0.20-acre lot.

When was 321 Castle St, Sandwich, IL built?

321 Castle St, Sandwich, IL was built in 1860, making it 166 years old. The building has 2 stories.

How does 321 Castle St, Sandwich, IL compare to other homes in Sandwich 60548?

Among the 3,838 homes in Sandwich 60548, it is worth more than 56% of them ($334,667 against a typical $317,165), its lot is bigger than 16% of them (0.2 ac against a typical 0.35 ac) and it is newer than almost none of them (1860 against a typical 1989). Measured against all of DeKalb County, it is worth more than 66% 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 321 Castle St, Sandwich, IL?

The 2024 property tax bill for 321 Castle St, Sandwich, IL was $5,024. The county assessed it at $72,091.

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