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Single Family ResidenceResidential
$131,014
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 91How 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

303 DOUGLAS ST

BELVIDERE, IL 61008
0
Baths
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$131K
$119K low$143K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$859 (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.$10,783 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,906
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,877
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,783
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$32,349

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.1972
Lot (acres)The size of the land the home sits on, from county records.0.40
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Gas
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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 South Middle SchoolC
Middle · Grades 6–8 · 0.9 mi
E
Lincoln Elementary SchoolC
Elementary · Grades EE–5 · 1.1 mi
H
Belvidere High SchoolD+
High · Grades 9–12 · 1.1 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

303 Douglas St 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 97% of homes in Boone County
  • Older than 72% 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
$113K$682K

This home is worth more than 4% 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$131,014
CheaperTypical $260,479Pricier

Pricier than 4% of homes nearby

Lot size0.4 ac
SmallerTypical 0.27 acBigger

Bigger than 63% of homes nearby

Year built1965
OlderTypical 1977Newer

Newer than 35% of homes nearby

How 303 Douglas St ranks against every home in each area.
MeasureThis homeBelvidere 61008Boone County
Estimated valuepricier than$131,0144% of homes3% of homes
Lot sizebigger than0.4 ac63% of homes58% of homes
Year builtnewer than196535% of homes28% of homes

About 303 Douglas St

How much is 303 Douglas St, Belvidere, IL worth?

The TopHap Estimate for 303 Douglas St, Belvidere, IL is $131,014 as of Aug 30, 2026. The likely range is $118,766 to $143,262. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 303 Douglas St, Belvidere, IL last sell?

303 Douglas St, Belvidere, IL last sold on Jan 1, 1900, according to the county's recorded deed.

When was 303 Douglas St, Belvidere, IL built?

303 Douglas St, Belvidere, IL was built in 1965, making it 61 years old.

What schools serve 303 Douglas St, Belvidere, IL?

303 Douglas St, Belvidere, IL is assigned to Belvidere South Middle School (middle), rated C; Lincoln Elementary School (elementary), rated C; Belvidere High School (high), rated D+. All sit in Belvidere Consolidated Unit School District 100. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 303 Douglas St, Belvidere, IL compare to other homes in Belvidere 61008?

Among the 11,325 homes in Belvidere 61008, it is worth more than 4% of them ($131,014 against a typical $260,479), its lot is bigger than 63% of them (0.4 ac against a typical 0.27 ac) and it is newer than 35% of them (1965 against a typical 1977). Measured against all of Boone County, it is worth more than 3% 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 303 Douglas St, Belvidere, IL?

The 2025 property tax bill for 303 Douglas St, Belvidere, IL was $859. The county assessed it at $10,783.

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