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Single Family ResidenceResidential
$315,252$184 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $190,000 on Oct 9, 1992

3111 BUSINESS ROUTE 20

BELVIDERE, IL 61008
4
Beds
1.5
Baths
1,709 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.
26.78 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.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$315K
$283K low$347K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$190,000 · Oct 9, 1992

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,495 (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.$84,308 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,958
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,350
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$63,827
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$252,924

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.109 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBOONE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1965
Lot (acres)The size of the land the home sits on, from county records.26.78
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
Belvidere Central Middle SchoolC+
Middle · Grades 6–8 · 1.1 mi
E
Seth Whitman Elementary SchoolB-
Elementary · Grades EE–5 · 1.2 mi
H
Belvidere North High SchoolB
High · Grades 9–12 · 1.4 mi

District: Belvidere Consolidated Unit School District 100

Neighborhood · ZIP 61008These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.33,244
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.379 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,704
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,641
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

3111 Business Route 20 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.

  • Costs more per square foot than 77% of homes in Belvidere 61008
  • Among the largest lots in Belvidere 61008
  • Older than 88% of homes in Boone County

What homes are worth in Belvidere 61008

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

This home
$125K$740K

This home is worth more than 64% of homes in Belvidere 61008.

How it measures up in Belvidere 61008

The dot is this home. The mark in the middle is the typical home in Belvidere 61008.

Estimated value$315,252
CheaperTypical $266,703Pricier

Pricier than 64% of homes nearby

Price per ft²$184
CheaperTypical $152Pricier

Pricier than 77% of homes nearby

Living area1,709 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 52% of homes nearby

Lot size26.78 ac
SmallerTypical 0.27 acBigger

Bigger than almost all homes nearby

Year built1900
OlderTypical 1976Newer

Newer than 16% of homes nearby

How 3111 Business Route 20 ranks against every home in each area.
MeasureThis homeBelvidere 61008Boone County
Estimated valuepricier than$315,25264% of homes57% of homes
Price per ft²pricier than$18477% of homes74% of homes
Living areabigger than1,709 ft²52% of homes44% of homes
Lot sizebigger than26.78 acalmost all homes98% of homes
Year builtnewer than190016% of homes12% of homes

About 3111 Business Route 20

How much is 3111 Business Route 20, Belvidere, IL worth?

The TopHap Estimate for 3111 Business Route 20, Belvidere, IL is $315,252 as of Jul 14, 2026. The likely range is $283,394 to $347,109. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3111 Business Route 20, Belvidere, IL last sell?

3111 Business Route 20, Belvidere, IL last sold on Oct 9, 1992 for $190,000, according to the county's recorded deed.

How big is 3111 Business Route 20, Belvidere, IL?

3111 Business Route 20, Belvidere, IL has 4 bedrooms, 1.5 bathrooms, 1,709 square feet of living space and a 26.78-acre lot.

When was 3111 Business Route 20, Belvidere, IL built?

3111 Business Route 20, Belvidere, IL was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 3111 Business Route 20, Belvidere, IL?

3111 Business Route 20, Belvidere, IL is assigned to Belvidere Central Middle School (middle), rated C+; Seth Whitman Elementary School (elementary), rated B-; Belvidere North High School (high), rated B. All sit in Belvidere Consolidated Unit School District 100. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3111 Business Route 20, Belvidere, IL compare to other homes in Belvidere 61008?

Among the 11,325 homes in Belvidere 61008, it is worth more than 64% of them ($315,252 against a typical $266,703), its price per square foot is higher than 77% of them ($184 against a typical $152), it is bigger than 52% of them (1,709 ft² against a typical 1,680 ft²), its lot is bigger than almost all of them (26.78 ac against a typical 0.27 ac) and it is newer than 16% of them (1900 against a typical 1976). Measured against all of Boone County, it is worth more than 57% 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 3111 Business Route 20, Belvidere, IL?

The 2025 property tax bill for 3111 Business Route 20, Belvidere, IL was $6,495. The county assessed it at $84,308.

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