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Single Family ResidenceResidential
$347,093
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 Sep 24, 2026
Last sold for $225,000 on Jul 30, 2004

18421 GARNET RD

CARLINVILLE, IL 62626
0
Baths
2.41 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$347K
$322K low$372K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$225,000 · Jul 30, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,348 (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.$92,920 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,632
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$78,288
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$86,841
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$278,760

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMACOUPIN
Lot (acres)The size of the land the home sits on, from county records.2.41
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Carlinville Primary School
Elementary · Grades PK–2 · 1.6 mi
M
Carlinville Middle SchoolB-
Middle · Grades 6–8 · 1.7 mi
H
Carlinville High SchoolD+
High · Grades 9–12 · 1.7 mi

District: Carlinville Community Unit School District 1

Neighborhood · ZIP 62626These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.92

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.7,969
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.46 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,978
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,982
Average tempThe average temperature here across a full year.54°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

18421 Garnet Rd 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 96% of homes in Macoupin County
  • Has a bigger lot than 89% of homes in Carlinville 62626

What homes are worth in Carlinville 62626

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

This home
$22K$429K

This home is worth more than 94% of homes in Carlinville 62626.

How it measures up in Carlinville 62626

The dot is this home. The mark in the middle is the typical home in Carlinville 62626.

Estimated value$347,093
CheaperTypical $114,780Pricier

Pricier than 94% of homes nearby

Lot size2.41 ac
SmallerTypical 0.32 acBigger

Bigger than 89% of homes nearby

How 18421 Garnet Rd ranks against every home in each area.
MeasureThis homeCarlinville 62626Macoupin County
Estimated valuepricier than$347,09394% of homes96% of homes
Lot sizebigger than2.41 ac89% of homes88% of homes

About 18421 Garnet Rd

How much is 18421 Garnet Rd, Carlinville, IL worth?

The TopHap Estimate for 18421 Garnet Rd, Carlinville, IL is $347,093 as of Sep 24, 2026. The likely range is $322,332 to $371,854. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18421 Garnet Rd, Carlinville, IL last sell?

18421 Garnet Rd, Carlinville, IL last sold on Jul 30, 2004 for $225,000, according to the county's recorded deed.

What schools serve 18421 Garnet Rd, Carlinville, IL?

18421 Garnet Rd, Carlinville, IL is assigned to Carlinville Primary School (elementary); Carlinville Middle School (middle), rated B-; Carlinville High School (high), rated D+. All sit in Carlinville Community Unit School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18421 Garnet Rd, Carlinville, IL compare to other homes in Carlinville 62626?

Among the 2,759 homes in Carlinville 62626, it is worth more than 94% of them ($347,093 against a typical $114,780) and its lot is bigger than 89% of them (2.41 ac against a typical 0.32 ac). Measured against all of Macoupin County, it is worth more than 96% 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 18421 Garnet Rd, Carlinville, IL?

The 2025 property tax bill for 18421 Garnet Rd, Carlinville, IL was $6,348. The county assessed it at $92,920.

More homes on Garnet Rd

Closest homes

More homes in Carlinville 62626

Assigned schools

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See this home in context

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