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Single Family ResidenceResidential
$32,416$32 / 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 75How 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 $30,000 on Oct 1, 2025

338 N 18TH ST

DECATUR, IL 62521
1
Baths
1,026 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.
3,040 ft²
Lot SizeThe size of the land the home sits on, from county records.
1916
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$32K
$24K low$41K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$30,000 · Oct 1, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$655 (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.$7,022 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$675
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,347
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$6,546
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$21,068

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.
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.

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.0.07
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 · 133 ft²

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 SchoolD-
High · Grades 9–12 · 1.1 mi
E
Baum Elementary SchoolD+
Elementary · Grades KG–6 · 2.2 mi
M
Stephen Decatur Middle SchoolD-
Middle · Grades 7–8 · 2.9 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

338 N 18th 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 98% of homes in Jasper Park
  • Among the lowest price per square foot in Decatur 62521
  • Smaller than 75% of homes in Decatur 62521
  • Among the smallest lots in Macon County
  • Older than 94% of homes in Decatur 62521

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$550K

This home is worth more than 2% 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$32,416
CheaperTypical $143,684Pricier

Pricier than 2% of homes nearby

Price per ft²$32
CheaperTypical $130Pricier

Cheaper than almost all homes nearby

Living area1,026 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 25% of homes nearby

Lot size3,040 ft²
SmallerTypical 0.28 acBigger

Bigger than 2% of homes nearby

Year built1916
OlderTypical 1962Newer

Newer than 6% of homes nearby

How 338 N 18th St ranks against every home in each area.
MeasureThis homeJasper ParkDecatur 62521Macon County
Estimated valuepricier than$32,4162% of homes2% of homes4% of homes
Price per ft²pricier than$325% of homesalmost no homes2% of homes
Living areabigger than1,026 ft²73% of homes25% of homes32% of homes
Lot sizebigger than3,040 ft²9% of homes2% of homesalmost no homes
Year builtnewer than191653% of homes6% of homes12% of homes

About 338 N 18th St

How much is 338 N 18th St, Decatur, IL worth?

The TopHap Estimate for 338 N 18th St, Decatur, IL is $32,416 as of Aug 30, 2026. The likely range is $24,260 to $40,572. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 338 N 18th St, Decatur, IL last sell?

338 N 18th St, Decatur, IL last sold on Oct 1, 2025 for $30,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 338 N 18th St, Decatur, IL?

338 N 18th St, Decatur, IL has 1 bathrooms, 1,026 square feet of living space and a 0.07-acre lot.

When was 338 N 18th St, Decatur, IL built?

338 N 18th St, Decatur, IL was built in 1916, making it 110 years old. The building has 1 story.

What schools serve 338 N 18th St, Decatur, IL?

338 N 18th St, Decatur, IL is assigned to Eisenhower High School (high), rated D-; Baum 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 338 N 18th St, Decatur, IL compare to other homes in Decatur 62521?

Among the 14,947 homes in Decatur 62521, it is worth more than 2% of them ($32,416 against a typical $143,684), its price per square foot is higher than almost none of them ($32 against a typical $130), it is bigger than 25% of them (1,026 ft² against a typical 1,288 ft²), its lot is bigger than 2% of them (3,040 ft² against a typical 0.28 ac) and it is newer than 6% of them (1916 against a typical 1962). Measured against all of Macon County, it is worth more than 4% 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 338 N 18th St, Decatur, IL?

The 2025 property tax bill for 338 N 18th St, Decatur, IL was $655. The county assessed it at $7,022.

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