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Single Family ResidentialResidential
$131,713$104 / 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 91How 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 $78,000 on Oct 29, 2015

421 S ISABELLA ST

CLINTON, IL 61727
1.5
Baths
1,262 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$132K
$120K low$143K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$78,000 · Oct 29, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,265 (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.$35,577 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,597
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$31,980
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$32,610
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$106,742

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyDE WITT
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 85 ft²

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.

E
Douglas Elementary School
Elementary · Grades PK–1 · 0.3 mi
H
Clinton High SchoolD
High · Grades 9–12 · 1.6 mi
M
Clinton Jr High SchoolC
Middle · Grades 6–8 · 1.6 mi

District: Clinton Community Unit School District 15

Neighborhood · ZIP 61727These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.41

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.9,087
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.64 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,499
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,014
Average tempThe average temperature here across a full year.52°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

421 S Isabella 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.

  • Has a smaller lot than 90% of homes in De Witt County
  • Older than 80% of homes in Clinton 61727

What homes are worth in Clinton 61727

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

This home
$40K$515K

This home is worth more than 49% of homes in Clinton 61727.

How it measures up in Clinton 61727

The dot is this home. The mark in the middle is the typical home in Clinton 61727.

Estimated value$131,713
CheaperTypical $134,187Pricier

Pricier than 49% of homes nearby

Price per ft²$104
CheaperTypical $110Pricier

Pricier than 45% of homes nearby

Living area1,262 ft²
SmallerTypical 1,276 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.14 ac
SmallerTypical 0.22 acBigger

Bigger than 14% of homes nearby

Year built1910
OlderTypical 1955Newer

Newer than 20% of homes nearby

How 421 S Isabella St ranks against every home in each area.
MeasureThis homeClinton 61727De Witt County
Estimated valuepricier than$131,71349% of homes46% of homes
Price per ft²pricier than$10445% of homes45% of homes
Living areabigger than1,262 ft²49% of homes47% of homes
Lot sizebigger than0.14 ac14% of homes10% of homes
Year builtnewer than191020% of homes23% of homes

About 421 S Isabella St

How much is 421 S Isabella St, Clinton, IL worth?

The TopHap Estimate for 421 S Isabella St, Clinton, IL is $131,713 as of Oct 21, 2026. The likely range is $120,426 to $143,000. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 S Isabella St, Clinton, IL last sell?

421 S Isabella St, Clinton, IL last sold on Oct 29, 2015 for $78,000, according to the county's recorded deed.

How big is 421 S Isabella St, Clinton, IL?

421 S Isabella St, Clinton, IL has 1.5 bathrooms, 1,262 square feet of living space and a 0.14-acre lot.

When was 421 S Isabella St, Clinton, IL built?

421 S Isabella St, Clinton, IL was built in 1910, making it 116 years old. The building has 1 story.

What schools serve 421 S Isabella St, Clinton, IL?

421 S Isabella St, Clinton, IL is assigned to Douglas Elementary School (elementary); Clinton High School (high), rated D; Clinton Jr High School (middle), rated C. All sit in Clinton Community Unit School District 15. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 S Isabella St, Clinton, IL compare to other homes in Clinton 61727?

Among the 3,674 homes in Clinton 61727, it is worth more than 49% of them ($131,713 against a typical $134,187), its price per square foot is higher than 45% of them ($104 against a typical $110), it is bigger than 49% of them (1,262 ft² against a typical 1,276 ft²), its lot is bigger than 14% of them (0.14 ac against a typical 0.22 ac) and it is newer than 20% of them (1910 against a typical 1955). Measured against all of De Witt County, it is worth more than 46% 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 421 S Isabella St, Clinton, IL?

The 2025 property tax bill for 421 S Isabella St, Clinton, IL was $2,265. The county assessed it at $35,577.

More homes on S Isabella St

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