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CondominiumResidential
$209,574$172 / 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 95How 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 $121,000 on Jan 10, 2005

819 CONSTANCE LN

SYCAMORE, IL 60178
1
Beds
1
Baths
1,220 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.
1996
Year BuiltThe year the home was originally built, according to county records.

Valuation

$210K
$200K low$219K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$121,000 · Jan 10, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,537 (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.$58,869 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,341
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$52,528
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$55,343
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$176,607

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyDeKalb
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 80 ft²

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.

H
Sycamore High SchoolB+
High · Grades 9–12 · 0.3 mi
E
South Prairie Elementary SchoolB-
Elementary · Grades KG–5 · 0.4 mi
M
Sycamore Middle SchoolB-
Middle · Grades 6–8 · 1.8 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%

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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

819 Constance Ln 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 88% of homes in Sycamore 60178
  • Costs less per square foot than 93% of homes in Sycamore 60178

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$657K

This home is worth more than 12% of 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$209,574
CheaperTypical $317,562Pricier

Pricier than 12% of homes nearby

Price per ft²$172
CheaperTypical $236Pricier

Pricier than 7% of homes nearby

Living area1,220 ft²
SmallerTypical 1,321 ft²Bigger

Bigger than 41% of homes nearby

Year built1996
OlderTypical 1991Newer

Newer than 57% of homes nearby

How 819 Constance Ln ranks against every home in each area.
MeasureThis homeSycamore 60178DeKalb County
Estimated valuepricier than$209,57412% of homes17% of homes
Price per ft²pricier than$1727% of homes8% of homes
Living areabigger than1,220 ft²41% of homes43% of homes
Year builtnewer than199657% of homes54% of homes

About 819 Constance Ln

How much is 819 Constance Ln, Sycamore, IL worth?

The TopHap Estimate for 819 Constance Ln, Sycamore, IL is $209,574 as of Aug 30, 2026. The likely range is $199,762 to $219,386. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 819 Constance Ln, Sycamore, IL last sell?

819 Constance Ln, Sycamore, IL last sold on Jan 10, 2005 for $121,000, according to the county's recorded deed.

How big is 819 Constance Ln, Sycamore, IL?

819 Constance Ln, Sycamore, IL has 1 bedrooms, 1 bathrooms and 1,220 square feet of living space.

When was 819 Constance Ln, Sycamore, IL built?

819 Constance Ln, Sycamore, IL was built in 1996, making it 30 years old.

What schools serve 819 Constance Ln, Sycamore, IL?

819 Constance Ln, Sycamore, IL is assigned to Sycamore High School (high), rated B+; South Prairie Elementary School (elementary), 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 819 Constance Ln, Sycamore, IL compare to other homes in Sycamore 60178?

Among the 7,686 homes in Sycamore 60178, it is worth more than 12% of them ($209,574 against a typical $317,562), its price per square foot is higher than 7% of them ($172 against a typical $236), it is bigger than 41% of them (1,220 ft² against a typical 1,321 ft²) and it is newer than 57% of them (1996 against a typical 1991). Measured against all of DeKalb County, it is worth more than 17% 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 819 Constance Ln, Sycamore, IL?

The 2025 property tax bill for 819 Constance Ln, Sycamore, IL was $4,537. The county assessed it at $58,869.

More homes on Constance Ln

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Assigned schools

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