Skip to content
Skip to content
TopHapOpen in map
Single Family ResidentialResidential
$132,007$237 / 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 85How 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

340 CHARLES ST

SYCAMORE, IL 60178
0
Baths
557 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.
0.12 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.

Valuation

$132K
$112K low$152K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$815 (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.$38,351 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,957
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$26,394
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$36,058
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$115,053

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.0.12
HeatingThe type of heating system in the home.None

Transaction History(1)

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 Prairie Elementary SchoolB-
Elementary · Grades KG–5 · 0.6 mi
H
Sycamore High SchoolB+
High · Grades 9–12 · 0.7 mi
M
Sycamore Middle SchoolB-
Middle · Grades 6–8 · 1.4 mi

District: Sycamore Community Unit School District 427

Neighborhood · ZIP 60178These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.51

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.23,227
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.340 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,175
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,851
Average tempThe average temperature here across a full year.48°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.52%

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

340 Charles 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.

  • Among the least valuable homes in Sycamore 60178
  • Among the smallest homes in Sycamore 60178
  • Has a smaller lot than 91% of homes in DeKalb County
  • Older than 94% of homes in DeKalb County

What homes are worth in Sycamore 60178

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

This home
$167K$658K

This home is worth less than almost all homes in Sycamore 60178.

How it measures up in Sycamore 60178

The dot is this home. The mark in the middle is the typical home in Sycamore 60178.

Estimated value$132,007
CheaperTypical $318,368Pricier

Cheaper than almost all homes nearby

Price per ft²$237
CheaperTypical $236Pricier

Pricier than 51% of homes nearby

Living area557 ft²
SmallerTypical 1,320 ft²Bigger

Smaller than almost all homes nearby

Lot size0.12 ac
SmallerTypical 0.25 acBigger

Bigger than 12% of homes nearby

Year built1900
OlderTypical 1991Newer

Newer than 8% of homes nearby

How 340 Charles St ranks against every home in each area.
MeasureThis homeSycamore 60178DeKalb County
Estimated valuepricier than$132,007almost no homesalmost no homes
Price per ft²pricier than$23751% of homes49% of homes
Living areabigger than557 ft²almost no homesalmost no homes
Lot sizebigger than0.12 ac12% of homes9% of homes
Year builtnewer than19008% of homes6% of homes

About 340 Charles St

How much is 340 Charles St, Sycamore, IL worth?

The TopHap Estimate for 340 Charles St, Sycamore, IL is $132,007 as of Aug 30, 2026. The likely range is $112,245 to $151,769. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 340 Charles St, Sycamore, IL?

340 Charles St, Sycamore, IL has 557 square feet of living space and a 0.12-acre lot.

When was 340 Charles St, Sycamore, IL built?

340 Charles St, Sycamore, IL was built in 1900, making it 126 years old.

What schools serve 340 Charles St, Sycamore, IL?

340 Charles St, Sycamore, IL is assigned to South Prairie Elementary School (elementary), rated B-; Sycamore High School (high), rated B+; Sycamore Middle School (middle), rated B-. All sit in Sycamore Community Unit School District 427. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 Charles St, Sycamore, IL compare to other homes in Sycamore 60178?

Among the 7,688 homes in Sycamore 60178, it is worth more than almost none of them ($132,007 against a typical $318,368), its price per square foot is higher than 51% of them ($237 against a typical $236), it is bigger than almost none of them (557 ft² against a typical 1,320 ft²), its lot is bigger than 12% of them (0.12 ac against a typical 0.25 ac) and it is newer than 8% of them (1900 against a typical 1991). Measured against all of DeKalb County, it is worth more than almost no 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 340 Charles St, Sycamore, IL?

The 2025 property tax bill for 340 Charles St, Sycamore, IL was $815. The county assessed it at $38,351.

More homes on Charles St

Closest homes

More homes in Sycamore 60178

Assigned schools

Explore the area

See this home in context

Open 340 Charles 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