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Single Family ResidenceResidential
$48,074$41 / 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 88How 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

421 E OLIVE ST

DECATUR, IL 62526
1
Baths
1,176 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1922
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$48K
$42K low$54K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$10,247 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$342
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$9,905
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$9,553
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$30,744

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.48
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
71
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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%

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
CountyMACON
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
CoolingThe type of cooling or air conditioning 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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 128 ft²

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.

E
Hope AcademyD
Elementary · Grades KG–8 · 0.7 mi
H
MacArthur High SchoolD-
High · Grades 9–12 · 1.6 mi

District: Decatur School District 61

Neighborhood · ZIP 62526These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.34,833
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.487 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,459
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,128
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

Owner Tools

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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

421 E Olive 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 98% of homes in Concord
  • Costs less per square foot than 93% of homes in Macon County
  • Bigger than 91% of homes in Concord
  • Has a smaller lot than 92% of homes in Macon County
  • Older than 86% of homes in Decatur 62526

What homes are worth in Decatur 62526

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

This home
$27K$306K

This home is worth more than 23% of homes in Decatur 62526.

How it measures up in Decatur 62526

The dot is this home. The mark in the middle is the typical home in Decatur 62526.

Estimated value$48,074
CheaperTypical $103,149Pricier

Pricier than 23% of homes nearby

Price per ft²$41
CheaperTypical $94Pricier

Pricier than 11% of homes nearby

Living area1,176 ft²
SmallerTypical 1,077 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.13 ac
SmallerTypical 0.21 acBigger

Bigger than 9% of homes nearby

Year built1922
OlderTypical 1956Newer

Newer than 14% of homes nearby

How 421 E Olive St ranks against every home in each area.
MeasureThis homeConcordDecatur 62526Macon County
Estimated valuepricier than$48,07498% of homes23% of homes12% of homes
Price per ft²pricier than$4165% of homes11% of homes7% of homes
Living areabigger than1,176 ft²91% of homes60% of homes48% of homes
Lot sizebigger than0.13 ac31% of homes9% of homes8% of homes
Year builtnewer than192280% of homes14% of homes16% of homes

About 421 E Olive St

How much is 421 E Olive St, Decatur, IL worth?

The TopHap Estimate for 421 E Olive St, Decatur, IL is $48,074 as of Sep 24, 2026. The likely range is $42,093 to $54,055. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 E Olive St, Decatur, IL last sell?

421 E Olive St, Decatur, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 421 E Olive St, Decatur, IL?

421 E Olive St, Decatur, IL has 1 bathrooms, 1,176 square feet of living space and a 0.13-acre lot.

When was 421 E Olive St, Decatur, IL built?

421 E Olive St, Decatur, IL was built in 1922, making it 104 years old. The building has 1 story.

What schools serve 421 E Olive St, Decatur, IL?

421 E Olive St, Decatur, IL is assigned to Hope Academy (elementary), rated D; MacArthur High School (high), rated D-. All sit in Decatur School District 61. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 E Olive St, Decatur, IL compare to other homes in Decatur 62526?

Among the 11,429 homes in Decatur 62526, it is worth more than 23% of them ($48,074 against a typical $103,149), its price per square foot is higher than 11% of them ($41 against a typical $94), it is bigger than 60% of them (1,176 ft² against a typical 1,077 ft²), its lot is bigger than 9% of them (0.13 ac against a typical 0.21 ac) and it is newer than 14% of them (1922 against a typical 1956). Measured against all of Macon 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.

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