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Residential - Vacant LandResidential
$178,370
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 94How 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 $192,000 on May 29, 2025

644 SOUTH AVE

SYCAMORE, IL 60178
0
Baths
2,295 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$178K
$168K low$188K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$192,000 · May 29, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$46 (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.$590 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$590
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$555
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,770

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyDeKalb
Lot (acres)The size of the land the home sits on, from county records.0.05
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.

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 · 1.5 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

644 South 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 96% of homes in Sycamore 60178
  • Has a smaller lot than 97% 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 more than 4% 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$178,370
CheaperTypical $316,235Pricier

Pricier than 4% of homes nearby

Lot size2,295 ft²
SmallerTypical 0.25 acBigger

Bigger than 6% of homes nearby

How 644 South Ave ranks against every home in each area.
MeasureThis homeSycamore 60178DeKalb County
Estimated valuepricier than$178,3704% of homes8% of homes
Lot sizebigger than2,295 ft²6% of homes3% of homes

About 644 South Ave

How much is 644 South Ave, Sycamore, IL worth?

The TopHap Estimate for 644 South Ave, Sycamore, IL is $178,370 as of Aug 30, 2026. The likely range is $168,412 to $188,328. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 644 South Ave, Sycamore, IL last sell?

644 South Ave, Sycamore, IL last sold on May 29, 2025 for $192,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

What schools serve 644 South Ave, Sycamore, IL?

644 South Ave, 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 644 South Ave, Sycamore, IL compare to other homes in Sycamore 60178?

Among the 7,688 homes in Sycamore 60178, it is worth more than 4% of them ($178,370 against a typical $316,235) and its lot is bigger than 6% of them (2,295 ft² against a typical 0.25 ac). Measured against all of DeKalb County, it is worth more than 8% 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 644 South Ave, Sycamore, IL?

The 2025 property tax bill for 644 South Ave, Sycamore, IL was $46. The county assessed it at $590.

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Assigned schools

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