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Single Family ResidentialResidential
$45,485$55 / 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 92How 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

509 N 23RD ST

MATTOON, IL 61938
2
Beds
1
Baths
829 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.
2,500 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$45K
$42K low$49K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$704 (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.$14,877 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,953
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$11,924
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$13,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$44,631

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.0.06
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

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
Mattoon High SchoolC-
High · Grades 9–12 · 0.9 mi
M
Mattoon Middle SchoolC
Middle · Grades 6–8 · 1.5 mi
E
Riddle Elementary SchoolC-
Elementary · Grades KG–5 · 1.7 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 23rd 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 96% of homes in Mattoon 61938
  • Costs less per square foot than 89% of homes in Coles County
  • Smaller than 93% of homes in Coles County
  • Among the smallest lots in Mattoon 61938
  • Older than 86% of 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
$41K$472K

This home is worth more than 4% 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$45,485
CheaperTypical $121,163Pricier

Pricier than 4% of homes nearby

Price per ft²$55
CheaperTypical $94Pricier

Pricier than 12% of homes nearby

Living area829 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 9% of homes nearby

Lot size2,500 ft²
SmallerTypical 0.17 acBigger

Smaller than almost all homes nearby

Year built1900
OlderTypical 1949Newer

Newer than 14% of homes nearby

How 509 N 23rd St ranks against every home in each area.
MeasureThis homeMattoon 61938Coles County
Estimated valuepricier than$45,4854% of homes4% of homes
Price per ft²pricier than$5512% of homes11% of homes
Living areabigger than829 ft²9% of homes7% of homes
Lot sizebigger than2,500 ft²almost no homesalmost no homes
Year builtnewer than190014% of homes14% of homes

About 509 N 23rd St

How much is 509 N 23rd St, Mattoon, IL worth?

The TopHap Estimate for 509 N 23rd St, Mattoon, IL is $45,485 as of Sep 24, 2026. The likely range is $42,009 to $48,961. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 N 23rd St, Mattoon, IL last sell?

509 N 23rd St, Mattoon, IL last sold on Feb 15, 2017, according to the county's recorded deed.

How big is 509 N 23rd St, Mattoon, IL?

509 N 23rd St, Mattoon, IL has 2 bedrooms, 1 bathrooms, 829 square feet of living space and a 0.06-acre lot.

When was 509 N 23rd St, Mattoon, IL built?

509 N 23rd St, Mattoon, IL was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 509 N 23rd St, Mattoon, IL?

509 N 23rd St, Mattoon, IL is assigned to Mattoon High School (high), rated C-; Mattoon Middle School (middle), rated C; Riddle Elementary School (elementary), rated C-. 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 23rd St, Mattoon, IL compare to other homes in Mattoon 61938?

Among the 8,187 homes in Mattoon 61938, it is worth more than 4% of them ($45,485 against a typical $121,163), its price per square foot is higher than 12% of them ($55 against a typical $94), it is bigger than 9% of them (829 ft² against a typical 1,344 ft²), its lot is bigger than almost none of them (2,500 ft² against a typical 0.17 ac) and it is newer than 14% of them (1900 against a typical 1949). Measured against all of Coles 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 509 N 23rd St, Mattoon, IL?

The 2025 property tax bill for 509 N 23rd St, Mattoon, IL was $704. The county assessed it at $14,877.

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