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Single Family ResidenceResidential
$172,186$110 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

931 CASWELL ST

BELVIDERE, IL 61008
3
Beds
2
Baths
1,570 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.
0.17 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.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$172K
$158K low$186K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,693 (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.$44,814 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,911
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,903
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$36,958
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$134,442

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.1983
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
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
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Belvidere South Middle SchoolD+
Middle · Grades 6–8 · 0.4 mi
H
Belvidere High SchoolD-
High · Grades 9–12 · 0.5 mi
E
Meehan Elementary SchoolD
Elementary · Grades EE–5 · 0.6 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

931 Caswell 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 88% of homes in Boone County
  • Costs less per square foot than 88% of homes in Boone County
  • Has a smaller lot than 93% of homes in Boone County
  • 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
$123K$744K

This home is worth more than 16% 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$172,186
CheaperTypical $263,466Pricier

Pricier than 16% of homes nearby

Price per ft²$110
CheaperTypical $152Pricier

Pricier than 14% of homes nearby

Living area1,570 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.17 ac
SmallerTypical 0.27 acBigger

Bigger than 9% of homes nearby

Year built1900
OlderTypical 1977Newer

Newer than 15% of homes nearby

How 931 Caswell St ranks against every home in each area.
MeasureThis homeBelvidere 61008Boone County
Estimated valuepricier than$172,18616% of homes12% of homes
Price per ft²pricier than$11014% of homes12% of homes
Living areabigger than1,570 ft²43% of homes37% of homes
Lot sizebigger than0.17 ac9% of homes7% of homes
Year builtnewer than190015% of homes12% of homes

About 931 Caswell St

How much is 931 Caswell St, Belvidere, IL worth?

The TopHap Estimate for 931 Caswell St, Belvidere, IL is $172,186 as of Sep 24, 2026. The likely range is $158,371 to $186,001. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 931 Caswell St, Belvidere, IL last sell?

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

How big is 931 Caswell St, Belvidere, IL?

931 Caswell St, Belvidere, IL has 3 bedrooms, 2 bathrooms, 1,570 square feet of living space and a 0.17-acre lot.

When was 931 Caswell St, Belvidere, IL built?

931 Caswell St, Belvidere, IL was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 931 Caswell St, Belvidere, IL?

931 Caswell St, Belvidere, IL is assigned to Belvidere South Middle School (middle), rated D+; Belvidere High School (high), rated D-; Meehan Elementary School (elementary), 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 931 Caswell St, Belvidere, IL compare to other homes in Belvidere 61008?

Among the 11,325 homes in Belvidere 61008, it is worth more than 16% of them ($172,186 against a typical $263,466), its price per square foot is higher than 14% of them ($110 against a typical $152), it is bigger than 43% of them (1,570 ft² against a typical 1,680 ft²), its lot is bigger than 9% of them (0.17 ac against a typical 0.27 ac) and it is newer than 15% of them (1900 against a typical 1977). Measured against all of Boone County, it is worth more than 12% 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 931 Caswell St, Belvidere, IL?

The 2025 property tax bill for 931 Caswell St, Belvidere, IL was $2,693. The county assessed it at $44,814.

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