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Single Family ResidenceResidential
$281,873$142 / 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 93How 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

401 JEFFERSON AVE

BIG ROCK, IL 60511
1.5
Baths
1,990 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$282K
$262K low$302K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,005 (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.$84,510 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,422
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$66,088
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$78,170
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$253,631

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKANE
Lot (acres)The size of the land the home sits on, from county records.0.35
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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

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

M
Hinckley-Big Rock Middle SchoolB+
Middle · Grades 5–8 · 0.3 mi
H
Hinckley-Big Rock High SchoolC+
High · Grades 9–12 · 4.4 mi
E
Hinckley-Big Rock Elementary SchoolB-
Elementary · Grades PK–4 · 5.3 mi

District: Hinckley-Big Rock Community Unit School District 429

Neighborhood · ZIP 60511These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
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.1,680
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.55 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,430
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,720
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.54%

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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

401 Jefferson 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 80% of homes in Big Rock 60511
  • Costs less per square foot than 96% of homes in Kane County
  • Has a smaller lot than 91% of homes in Big Rock 60511
  • Older than 90% of homes in Kane County

What homes are worth in Big Rock 60511

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

This home
$212K$879K

This home is worth more than 20% of homes in Big Rock 60511.

How it measures up in Big Rock 60511

The dot is this home. The mark in the middle is the typical home in Big Rock 60511.

Estimated value$281,873
CheaperTypical $345,847Pricier

Pricier than 20% of homes nearby

Price per ft²$142
CheaperTypical $179Pricier

Pricier than 15% of homes nearby

Living area1,990 ft²
SmallerTypical 1,953 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.35 ac
SmallerTypical 1.05 acBigger

Bigger than 9% of homes nearby

Year built1915
OlderTypical 1974Newer

Newer than 17% of homes nearby

How 401 Jefferson Ave ranks against every home in each area.
MeasureThis homeBig Rock 60511Kane County
Estimated valuepricier than$281,87320% of homes24% of homes
Price per ft²pricier than$14215% of homes4% of homes
Living areabigger than1,990 ft²52% of homes61% of homes
Lot sizebigger than0.35 ac9% of homes73% of homes
Year builtnewer than191517% of homes10% of homes

About 401 Jefferson Ave

How much is 401 Jefferson Ave, Big Rock, IL worth?

The TopHap Estimate for 401 Jefferson Ave, Big Rock, IL is $281,873 as of Aug 30, 2026. The likely range is $261,803 to $301,943. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 401 Jefferson Ave, Big Rock, IL last sell?

401 Jefferson Ave, Big Rock, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 401 Jefferson Ave, Big Rock, IL?

401 Jefferson Ave, Big Rock, IL has 1.5 bathrooms, 1,990 square feet of living space and a 0.35-acre lot.

When was 401 Jefferson Ave, Big Rock, IL built?

401 Jefferson Ave, Big Rock, IL was built in 1915, making it 111 years old. The building has 2 stories.

What schools serve 401 Jefferson Ave, Big Rock, IL?

401 Jefferson Ave, Big Rock, IL is assigned to Hinckley-Big Rock Middle School (middle), rated B+; Hinckley-Big Rock High School (high), rated C+; Hinckley-Big Rock Elementary School (elementary), rated B-. All sit in Hinckley-Big Rock Community Unit School District 429. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 401 Jefferson Ave, Big Rock, IL compare to other homes in Big Rock 60511?

Among the 700 homes in Big Rock 60511, it is worth more than 20% of them ($281,873 against a typical $345,847), its price per square foot is higher than 15% of them ($142 against a typical $179), it is bigger than 52% of them (1,990 ft² against a typical 1,953 ft²), its lot is bigger than 9% of them (0.35 ac against a typical 1.05 ac) and it is newer than 17% of them (1915 against a typical 1974). Measured against all of Kane County, it is worth more than 24% 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 401 Jefferson Ave, Big Rock, IL?

The 2025 property tax bill for 401 Jefferson Ave, Big Rock, IL was $5,005. The county assessed it at $84,510.

More homes on Jefferson Ave

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More homes in Big Rock 60511

Assigned schools

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