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Duplex (2 Units, Any Combination)Residential

203 W WILLIAM ST

CHAMPAIGN, IL 61820
1
Baths
742 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.
1888
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,282 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$60,570 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,540
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$44,030
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$60,570
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$181,710

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.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyChampaign
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Central
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

Transaction History(6)

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
Edison Middle SchoolB-
Middle · Grades 6–8 · 0.3 mi
E
South Side Elementary SchoolB
Elementary · Grades KG–5 · 0.5 mi
H
Central High SchoolC
High · Grades 9–12 · 0.8 mi

District: Champaign Community Unit School District 4

Neighborhood · ZIP 61820These 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.126
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.38%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.41,375
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,160 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$37,027
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$50,653
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

203 W William 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.

  • Smaller than 96% of homes in Champaign County
  • Among the oldest homes in Champaign County

How it measures up in Champaign 61820

The dot is this home. The mark in the middle is the typical home in Champaign 61820.

Living area742 ft²
SmallerTypical 1,055 ft²Bigger

Bigger than 11% of homes nearby

Year built1888
OlderTypical 1940Newer

Newer than 4% of homes nearby

How 203 W William St ranks against every home in each area.
MeasureThis homeChampaign 61820Champaign County
Living areabigger than742 ft²11% of homes4% of homes
Year builtnewer than18884% of homesalmost no homes

About 203 W William St

When did 203 W William St, Champaign, IL last sell?

203 W William St, Champaign, IL last sold on Oct 24, 2025, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 203 W William St, Champaign, IL?

203 W William St, Champaign, IL has 1 bathrooms and 742 square feet of living space.

When was 203 W William St, Champaign, IL built?

203 W William St, Champaign, IL was built in 1888, making it 138 years old. The building has 1 story.

What schools serve 203 W William St, Champaign, IL?

203 W William St, Champaign, IL is assigned to Edison Middle School (middle), rated B-; South Side Elementary School (elementary), rated B; Central High School (high), rated C. All sit in Champaign Community Unit School District 4. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 203 W William St, Champaign, IL compare to other homes in Champaign 61820?

Among the 4,892 homes in Champaign 61820, it is bigger than 11% of them (742 ft² against a typical 1,055 ft²) and it is newer than 4% of them (1888 against a typical 1940). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 203 W William St, Champaign, IL?

The 2024 property tax bill for 203 W William St, Champaign, IL was $5,282. The county assessed it at $60,570.

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