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Single Family ResidenceResidential
$42,121$42 / 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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $18,300 on Oct 1, 2003

840 S SILAS ST

DECATUR, IL 62521
1.5
Baths
992 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$42K
$35K low$49K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$18,300 · Oct 1, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$755 (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.$8,091 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$905
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$7,186
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$7,543
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$24,275

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.39
1
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.

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.0.11
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
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(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.

H
Eisenhower High SchoolF
High · Grades 9–12 · 0.5 mi
E
South Shores Elementary SchoolF
Elementary · Grades KG–6 · 1.6 mi
M
Stephen Decatur Middle SchoolF
Middle · Grades 7–8 · 3.7 mi

District: Decatur School District 61

Neighborhood · ZIP 62521These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.55

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.90%
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.14%
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.32,847
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.522 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,684
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,291
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%

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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

840 S Silas 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 94% of homes in Decatur 62521
  • Costs less per square foot than 97% of homes in Decatur 62521
  • Smaller than 78% of homes in Decatur 62521
  • Has a smaller lot than 94% of homes in Macon County
  • Newer than 80% of homes in Mueller Park

What homes are worth in Decatur 62521

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

This home
$35K$564K

This home is worth more than 6% of homes in Decatur 62521.

How it measures up in Decatur 62521

The dot is this home. The mark in the middle is the typical home in Decatur 62521.

Estimated value$42,121
CheaperTypical $143,728Pricier

Pricier than 6% of homes nearby

Price per ft²$42
CheaperTypical $130Pricier

Pricier than 3% of homes nearby

Living area992 ft²
SmallerTypical 1,289 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.11 ac
SmallerTypical 0.28 acBigger

Bigger than 7% of homes nearby

Year built1952
OlderTypical 1962Newer

Newer than 28% of homes nearby

How 840 S Silas St ranks against every home in each area.
MeasureThis homeMueller ParkDecatur 62521Macon County
Estimated valuepricier than$42,12135% of homes6% of homes10% of homes
Price per ft²pricier than$4236% of homes3% of homes8% of homes
Living areabigger than992 ft²68% of homes22% of homes28% of homes
Lot sizebigger than0.11 ac13% of homes7% of homes6% of homes
Year builtnewer than195280% of homes28% of homes37% of homes

About 840 S Silas St

How much is 840 S Silas St, Decatur, IL worth?

The TopHap Estimate for 840 S Silas St, Decatur, IL is $42,121 as of Oct 21, 2026. The likely range is $35,409 to $48,833. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 840 S Silas St, Decatur, IL last sell?

840 S Silas St, Decatur, IL last sold on Oct 1, 2003 for $18,300, according to the county's recorded deed.

How big is 840 S Silas St, Decatur, IL?

840 S Silas St, Decatur, IL has 1.5 bathrooms, 992 square feet of living space and a 0.11-acre lot.

When was 840 S Silas St, Decatur, IL built?

840 S Silas St, Decatur, IL was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 840 S Silas St, Decatur, IL?

840 S Silas St, Decatur, IL is assigned to Eisenhower High School (high), rated F; South Shores Elementary School (elementary), rated F; Stephen Decatur Middle School (middle), rated F. All sit in Decatur School District 61. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 840 S Silas St, Decatur, IL compare to other homes in Decatur 62521?

Among the 14,947 homes in Decatur 62521, it is worth more than 6% of them ($42,121 against a typical $143,728), its price per square foot is higher than 3% of them ($42 against a typical $130), it is bigger than 22% of them (992 ft² against a typical 1,289 ft²), its lot is bigger than 7% of them (0.11 ac against a typical 0.28 ac) and it is newer than 28% of them (1952 against a typical 1962). Measured against all of Macon County, it is worth more than 10% 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 840 S Silas St, Decatur, IL?

The 2025 property tax bill for 840 S Silas St, Decatur, IL was $755. The county assessed it at $8,091.

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