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Single Family ResidentialResidential
$231,359$75 / 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 85How 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 $34,000 on Oct 28, 2022

509 N 18TH ST

MATTOON, IL 61938
0
Baths
3,080 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$231K
$197K low$266K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$34,000 · Oct 28, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,304 (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.$72,869 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,437
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$64,432
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$66,124
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$218,607

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.33
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.
80
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.
18
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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 Residential
CountyCOLES
Lot (acres)The size of the land the home sits on, from county records.0.33
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Mattoon High SchoolB-
High · Grades 9–12 · 1.0 mi
M
Mattoon Middle SchoolB-
Middle · Grades 6–8 · 1.3 mi
E
Riddle Elementary SchoolB+
Elementary · Grades KG–5 · 2.0 mi

District: Mattoon Community Unit School District 2

Neighborhood · ZIP 61938These 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.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.86

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.14%
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.1.3%
PopulationHow many people live in this area.20,188
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.163 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,789
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,456
Average tempThe average temperature here across a full year.53°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.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

509 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 more than 83% of homes in Mattoon 61938
  • Costs less per square foot than 74% of homes in Coles County
  • Bigger than 96% of homes in Mattoon 61938
  • Has a bigger lot than 76% of homes in Mattoon 61938
  • Among the newest homes in Mattoon 61938

What homes are worth in Mattoon 61938

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

This home
$40K$435K

This home is worth more than 83% of homes in Mattoon 61938.

How it measures up in Mattoon 61938

The dot is this home. The mark in the middle is the typical home in Mattoon 61938.

Estimated value$231,359
CheaperTypical $120,194Pricier

Pricier than 83% of homes nearby

Price per ft²$75
CheaperTypical $94Pricier

Pricier than 30% of homes nearby

Living area3,080 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.33 ac
SmallerTypical 0.17 acBigger

Bigger than 76% of homes nearby

Year built2018
OlderTypical 1949Newer

Newer than almost all homes nearby

How 509 N 18th St ranks against every home in each area.
MeasureThis homeMattoon 61938Coles County
Estimated valuepricier than$231,35983% of homes76% of homes
Price per ft²pricier than$7530% of homes26% of homes
Living areabigger than3,080 ft²96% of homes96% of homes
Lot sizebigger than0.33 ac76% of homes60% of homes
Year builtnewer than2018almost all homesalmost all homes

About 509 N 18th St

How much is 509 N 18th St, Mattoon, IL worth?

The TopHap Estimate for 509 N 18th St, Mattoon, IL is $231,359 as of Aug 30, 2026. The likely range is $197,105 to $265,613. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 N 18th St, Mattoon, IL last sell?

509 N 18th St, Mattoon, IL last sold on Oct 28, 2022 for $34,000, according to the county's recorded deed.

How big is 509 N 18th St, Mattoon, IL?

509 N 18th St, Mattoon, IL has 3,080 square feet of living space and a 0.33-acre lot.

When was 509 N 18th St, Mattoon, IL built?

509 N 18th St, Mattoon, IL was built in 2018, making it 8 years old. The building has 2 stories.

What schools serve 509 N 18th St, Mattoon, IL?

509 N 18th St, Mattoon, IL is assigned to Mattoon High School (high), rated B-; Mattoon Middle School (middle), rated B-; Riddle Elementary School (elementary), rated B+. All sit in Mattoon Community Unit School District 2. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 N 18th St, Mattoon, IL compare to other homes in Mattoon 61938?

Among the 8,187 homes in Mattoon 61938, it is worth more than 83% of them ($231,359 against a typical $120,194), its price per square foot is higher than 30% of them ($75 against a typical $94), it is bigger than 96% of them (3,080 ft² against a typical 1,344 ft²), its lot is bigger than 76% of them (0.33 ac against a typical 0.17 ac) and it is newer than almost all of them (2018 against a typical 1949). Measured against all of Coles County, it is worth more than 76% 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 509 N 18th St, Mattoon, IL?

The 2025 property tax bill for 509 N 18th St, Mattoon, IL was $5,304. The county assessed it at $72,869.

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