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Single Family ResidenceResidential
$101,593$56 / 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

503 CLARK ST

COLP, IL 62921
0
Baths
1,799 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.
0.4 ac
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.
2
StoriesHow many floors the home has above ground.

Valuation

$102K
$87K low$117K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,524 (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.$27,640 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,110
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$25,530
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27,640
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$82,920

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWILLIAMSON
Lot (acres)The size of the land the home sits on, from county records.0.40
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Electric
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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.Patio · 245 ft²Porch · 128 ft²

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

E
North Side Primary Center
Elementary · Grades PK–1 · 2.8 mi
M
Herrin Middle SchoolB+
Middle · Grades 6–8 · 3.1 mi
H
Herrin High SchoolC-
High · Grades 9–12 · 3.3 mi

District: Herrin Community Unit School District 4

Neighborhood · ZIP 62921These 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.146
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.286

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.5.7%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.1
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.65 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,301
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,953
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

503 Clark 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 Colp 62921
  • Costs less per square foot than 88% of homes in Williamson County
  • Bigger than 89% of homes in Colp 62921
  • Has a bigger lot than 79% of homes in Colp 62921
  • Older than 94% of homes in Williamson County

What homes are worth in Colp 62921

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

This home
$34K$208K

This home is worth more than 83% of homes in Colp 62921.

How it measures up in Colp 62921

The dot is this home. The mark in the middle is the typical home in Colp 62921.

Estimated value$101,593
CheaperTypical $72,039Pricier

Pricier than 83% of homes nearby

Price per ft²$56
CheaperTypical $64Pricier

Pricier than 24% of homes nearby

Living area1,799 ft²
SmallerTypical 1,128 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.4 ac
SmallerTypical 0.28 acBigger

Bigger than 79% of homes nearby

Year built1900
OlderTypical 1918Newer

Newer than 24% of homes nearby

How 503 Clark St ranks against every home in each area.
MeasureThis homeColp 62921Williamson County
Estimated valuepricier than$101,59383% of homes35% of homes
Price per ft²pricier than$5624% of homes12% of homes
Living areabigger than1,799 ft²89% of homes72% of homes
Lot sizebigger than0.4 ac79% of homes55% of homes
Year builtnewer than190024% of homes6% of homes

About 503 Clark St

How much is 503 Clark St, Colp, IL worth?

The TopHap Estimate for 503 Clark St, Colp, IL is $101,593 as of Aug 30, 2026. The likely range is $86,530 to $116,656. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 Clark St, Colp, IL last sell?

503 Clark St, Colp, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 503 Clark St, Colp, IL?

503 Clark St, Colp, IL has 1,799 square feet of living space and a 0.40-acre lot.

When was 503 Clark St, Colp, IL built?

503 Clark St, Colp, IL was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 503 Clark St, Colp, IL?

503 Clark St, Colp, IL is assigned to North Side Primary Center (elementary); Herrin Middle School (middle), rated B+; Herrin High School (high), rated C-. All sit in Herrin Community Unit School District 4. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 503 Clark St, Colp, IL compare to other homes in Colp 62921?

Among the 232 homes in Colp 62921, it is worth more than 83% of them ($101,593 against a typical $72,039), its price per square foot is higher than 24% of them ($56 against a typical $64), it is bigger than 89% of them (1,799 ft² against a typical 1,128 ft²), its lot is bigger than 79% of them (0.4 ac against a typical 0.28 ac) and it is newer than 24% of them (1900 against a typical 1918). Measured against all of Williamson County, it is worth more than 35% 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 503 Clark St, Colp, IL?

The 2025 property tax bill for 503 Clark St, Colp, IL was $1,524. The county assessed it at $27,640.

More homes on Clark St

Closest homes

More homes in Colp 62921

Assigned schools

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