Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$144,233$108 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $84,000 on Nov 30, 2020

831 S 19TH ST

DECATUR, IL 62521
1.5
Baths
1,334 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$144K
$135K low$154K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$84,000 · Nov 30, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,479 (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.$32,558 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,687
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$28,871
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$30,351
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$97,684

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
37
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
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.
68
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.7 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.0.37
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
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.Deck · 468 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.

H
Eisenhower High SchoolD-
High · Grades 9–12 · 0.3 mi
E
E. J. Muffley Elementary SchoolD
Elementary · Grades KG–6 · 1.3 mi
M
Stephen Decatur Middle SchoolD-
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%

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

831 S 19th 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.

  • Among the most valuable homes in Saint Mary's
  • Costs more per square foot than 83% of homes in Saint Mary's
  • Bigger than 91% of homes in Saint Mary's
  • Has a bigger lot than 97% of homes in Saint Mary's

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 51% 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$144,233
CheaperTypical $143,509Pricier

Pricier than 51% of homes nearby

Price per ft²$108
CheaperTypical $129Pricier

Pricier than 29% of homes nearby

Living area1,334 ft²
SmallerTypical 1,284 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.37 ac
SmallerTypical 0.28 acBigger

Bigger than 56% of homes nearby

How 831 S 19th St ranks against every home in each area.
MeasureThis homeSaint Mary'sDecatur 62521Macon County
Estimated valuepricier than$144,233almost all homes51% of homes54% of homes
Price per ft²pricier than$10883% of homes29% of homes44% of homes
Living areabigger than1,334 ft²91% of homes54% of homes60% of homes
Lot sizebigger than0.37 ac97% of homes56% of homes62% of homes

About 831 S 19th St

How much is 831 S 19th St, Decatur, IL worth?

The TopHap Estimate for 831 S 19th St, Decatur, IL is $144,233 as of Aug 30, 2026. The likely range is $134,627 to $153,839. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 831 S 19th St, Decatur, IL last sell?

831 S 19th St, Decatur, IL last sold on Nov 30, 2020 for $84,000, according to the county's recorded deed.

How big is 831 S 19th St, Decatur, IL?

831 S 19th St, Decatur, IL has 1.5 bathrooms, 1,334 square feet of living space and a 0.37-acre lot.

What schools serve 831 S 19th St, Decatur, IL?

831 S 19th St, Decatur, IL is assigned to Eisenhower High School (high), rated D-; E. J. Muffley Elementary School (elementary), rated D; Stephen Decatur Middle School (middle), rated D-. All sit in Decatur School District 61. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 831 S 19th St, Decatur, IL compare to other homes in Decatur 62521?

Among the 14,947 homes in Decatur 62521, it is worth more than 51% of them ($144,233 against a typical $143,509), its price per square foot is higher than 29% of them ($108 against a typical $129), it is bigger than 54% of them (1,334 ft² against a typical 1,284 ft²) and its lot is bigger than 56% of them (0.37 ac against a typical 0.28 ac). Measured against all of Macon County, it is worth more than 54% 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 831 S 19th St, Decatur, IL?

The 2025 property tax bill for 831 S 19th St, Decatur, IL was $2,479. The county assessed it at $32,558.

More homes on S 19th St

Closest homes

More homes in Decatur 62521

Assigned schools

Explore the area

See this home in context

Open 831 S 19th 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