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Residential - Vacant LandResidential
$377,590
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 89How 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

801 TOPAZ CT

MASCOUTAH, IL 62258
0
Baths
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$378K
$334K low$421K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3

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.40
11
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
82
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.
24
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyST. CLAIR
Lot (acres)The size of the land the home sits on, from county records.0.17
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

M
Mascoutah Middle SchoolB-
Middle · Grades 6–8 · 0.8 mi
E
Mascoutah Elementary SchoolA
Elementary · Grades PK–5 · 1.0 mi
H
Mascoutah High SchoolA
High · Grades 9–12 · 1.5 mi

District: Mascoutah Community Unit School District 19

Neighborhood · ZIP 62258These 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.60
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 100.171

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.93%
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.7.2%
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.10,389
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.134 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$94,499
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,031
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

801 Topaz Ct 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 85% of homes in St. Clair County
  • Has a smaller lot than 79% of homes in Mascoutah 62258

What homes are worth in Mascoutah 62258

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

This home
$83K$591K

This home is worth more than 77% of homes in Mascoutah 62258.

How it measures up in Mascoutah 62258

The dot is this home. The mark in the middle is the typical home in Mascoutah 62258.

Estimated value$377,590
CheaperTypical $274,435Pricier

Pricier than 77% of homes nearby

Lot size0.17 ac
SmallerTypical 0.25 acBigger

Bigger than 21% of homes nearby

How 801 Topaz Ct ranks against every home in each area.
MeasureThis homeMascoutah 62258St. Clair County
Estimated valuepricier than$377,59077% of homes85% of homes
Lot sizebigger than0.17 ac21% of homes23% of homes

About 801 Topaz Ct

How much is 801 Topaz Ct, Mascoutah, IL worth?

The TopHap Estimate for 801 Topaz Ct, Mascoutah, IL is $377,590 as of Sep 24, 2026. The likely range is $334,443 to $420,737. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 801 Topaz Ct, Mascoutah, IL last sell?

801 Topaz Ct, Mascoutah, IL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 801 Topaz Ct, Mascoutah, IL?

801 Topaz Ct, Mascoutah, IL is assigned to Mascoutah Middle School (middle), rated B-; Mascoutah Elementary School (elementary), rated A; Mascoutah High School (high), rated A. All sit in Mascoutah Community Unit School District 19. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 801 Topaz Ct, Mascoutah, IL compare to other homes in Mascoutah 62258?

Among the 4,016 homes in Mascoutah 62258, it is worth more than 77% of them ($377,590 against a typical $274,435) and its lot is bigger than 21% of them (0.17 ac against a typical 0.25 ac). Measured against all of St. Clair County, it is worth more than 85% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Topaz Ct

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Assigned schools

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