Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$343,426$270 / 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 95How 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
Last sold for $179,000 on Mar 10, 2005

512 W UNION ST

CHAMPAIGN, IL 61820
3
Beds
1
Baths
1,271 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1903
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$343K
$325K low$362K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$179,000 · Mar 10, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,422 (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.$109,790 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,270
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$89,520
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$97,860
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$329,370

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCHAMPAIGN
Lot (acres)The size of the land the home sits on, from county records.0.21
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Yes
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.

H
Central High SchoolB
High · Grades 9–12 · 0.2 mi
M
Edison Middle SchoolC-
Middle · Grades 6–8 · 0.3 mi
E
South Side Elementary SchoolB
Elementary · Grades KG–5 · 0.4 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%

Owner Tools

Do you own this home?
Claim this home

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

512 W Union 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 more than 93% of homes in Champaign 61820
  • Costs more per square foot than 91% of homes in Champaign 61820
  • Bigger than 73% of homes in Champaign 61820
  • Has a bigger lot than 76% of homes in Champaign 61820
  • Older than 94% of homes in Champaign County

What homes are worth in Champaign 61820

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

This home
$54K$464K

This home is worth more than 93% of homes in Champaign 61820.

How it measures up in Champaign 61820

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

Estimated value$343,426
CheaperTypical $176,258Pricier

Pricier than 93% of homes nearby

Price per ft²$270
CheaperTypical $159Pricier

Pricier than 91% of homes nearby

Living area1,271 ft²
SmallerTypical 1,053 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.21 ac
SmallerTypical 0.18 acBigger

Bigger than 76% of homes nearby

Year built1903
OlderTypical 1939Newer

Newer than 19% of homes nearby

How 512 W Union St ranks against every home in each area.
MeasureThis homeChampaign 61820Champaign County
Estimated valuepricier than$343,42693% of homes79% of homes
Price per ft²pricier than$27091% of homes90% of homes
Living areabigger than1,271 ft²73% of homes53% of homes
Lot sizebigger than0.21 ac76% of homes51% of homes
Year builtnewer than190319% of homes6% of homes

About 512 W Union St

How much is 512 W Union St, Champaign, IL worth?

The TopHap Estimate for 512 W Union St, Champaign, IL is $343,426 as of Sep 24, 2026. The likely range is $325,302 to $361,550. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 512 W Union St, Champaign, IL last sell?

512 W Union St, Champaign, IL last sold on Mar 10, 2005 for $179,000, according to the county's recorded deed.

How big is 512 W Union St, Champaign, IL?

512 W Union St, Champaign, IL has 3 bedrooms, 1 bathrooms, 1,271 square feet of living space and a 0.21-acre lot.

When was 512 W Union St, Champaign, IL built?

512 W Union St, Champaign, IL was built in 1903, making it 123 years old. The building has 2 stories.

What schools serve 512 W Union St, Champaign, IL?

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

How does 512 W Union St, Champaign, IL compare to other homes in Champaign 61820?

Among the 4,839 homes in Champaign 61820, it is worth more than 93% of them ($343,426 against a typical $176,258), its price per square foot is higher than 91% of them ($270 against a typical $159), it is bigger than 73% of them (1,271 ft² against a typical 1,053 ft²), its lot is bigger than 76% of them (0.21 ac against a typical 0.18 ac) and it is newer than 19% of them (1903 against a typical 1939). Measured against all of Champaign County, it is worth more than 79% 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 512 W Union St, Champaign, IL?

The 2024 property tax bill for 512 W Union St, Champaign, IL was $7,422. The county assessed it at $109,790.

More homes on W Union St

Closest homes

More homes in Champaign 61820

Assigned schools

Explore the area

See this home in context

Open 512 W Union St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map