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Rural ResidenceResidential
$250,894
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 90How 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

18331 BASE LINE RD

SYCAMORE, IL 60178
0
Baths
108 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$251K
$226K low$276K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,517 (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.$123,486 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$69,128
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$54,358
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$113,550

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyDeKalb
Lot (acres)The size of the land the home sits on, from county records.108.00
HeatingThe type of heating system in the home.None

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Central High SchoolB
High · Grades 9–12 · 6.7 mi
E
Howard B. Thomas Grade SchoolA+
Elementary · Grades KG–5 · 6.8 mi
M
Prairie Knolls Middle SchoolA
Middle · Grades 6–7 · 11.8 mi

District: Central Community Unit School District 301

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

18331 Base Line Rd 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 73% of homes in Sycamore 60178
  • Among the largest lots 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$670K

This home is worth more than 27% 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$250,894
CheaperTypical $319,123Pricier

Pricier than 27% of homes nearby

Lot size108 ac
SmallerTypical 0.25 acBigger

Bigger than almost all homes nearby

How 18331 Base Line Rd ranks against every home in each area.
MeasureThis homeSycamore 60178DeKalb County
Estimated valuepricier than$250,89427% of homes35% of homes
Lot sizebigger than108 acalmost all homesalmost all homes

About 18331 Base Line Rd

How much is 18331 Base Line Rd, Sycamore, IL worth?

The TopHap Estimate for 18331 Base Line Rd, Sycamore, IL is $250,894 as of Aug 30, 2026. The likely range is $225,743 to $276,045. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 18331 Base Line Rd, Sycamore, IL?

18331 Base Line Rd, Sycamore, IL is assigned to Central High School (high), rated B; Howard B. Thomas Grade School (elementary), rated A+; Prairie Knolls Middle School (middle), rated A. All sit in Central Community Unit School District 301. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18331 Base Line Rd, Sycamore, IL compare to other homes in Sycamore 60178?

Among the 7,688 homes in Sycamore 60178, it is worth more than 27% of them ($250,894 against a typical $319,123) and its lot is bigger than almost all of them (108 ac against a typical 0.25 ac). Measured against all of DeKalb County, it is worth more than 35% 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 18331 Base Line Rd, Sycamore, IL?

The 2025 property tax bill for 18331 Base Line Rd, Sycamore, IL was $11,517. The county assessed it at $123,486.

More homes on Base Line Rd

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More homes in Sycamore 60178

Assigned schools

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