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Single Family ResidenceResidential
$18,772
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 64How 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

405 S 4TH ST

MOUNT VERNON, IL 62864
0
Baths
2,410 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$19K
$12K low$25K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$493 (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.$6,075 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$463
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,612
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,625
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$18,225

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
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
77
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
30
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 Residence
CountyJEFFERSON
Lot (acres)The size of the land the home sits on, from county records.0.06
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.

M
Zadok Casey Middle SchoolD-
Middle · Grades 6–8 · 1.0 mi
E
Dr Nick Osborne Primary CenterD-
Elementary · Grades KG–3 · 1.8 mi
H
Mount Vernon Township High SchoolD
High · Grades 9–12 · 3.5 mi

District: Mount Vernon School District 80

Neighborhood · ZIP 62864These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.203

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.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.22,024
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.153 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,768
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,852
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

405 S 4th 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.

  • Among the least valuable homes in Mount Vernon 62864
  • Among the smallest lots in Mount Vernon 62864

What homes are worth in Mount Vernon 62864

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

This home
$22K$439K

This home is worth less than almost all homes in Mount Vernon 62864.

How it measures up in Mount Vernon 62864

The dot is this home. The mark in the middle is the typical home in Mount Vernon 62864.

Estimated value$18,772
CheaperTypical $108,352Pricier

Cheaper than almost all homes nearby

Lot size2,410 ft²
SmallerTypical 0.32 acBigger

Smaller than almost all homes nearby

How 405 S 4th St ranks against every home in each area.
MeasureThis homeMount Vernon 62864Jefferson County
Estimated valuepricier than$18,772almost no homesalmost no homes
Lot sizebigger than2,410 ft²almost no homesalmost no homes

About 405 S 4th St

How much is 405 S 4th St, Mount Vernon, IL worth?

The TopHap Estimate for 405 S 4th St, Mount Vernon, IL is $18,772 as of Oct 21, 2026. The likely range is $12,088 to $25,456. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 405 S 4th St, Mount Vernon, IL last sell?

405 S 4th St, Mount Vernon, IL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 405 S 4th St, Mount Vernon, IL?

405 S 4th St, Mount Vernon, IL is assigned to Zadok Casey Middle School (middle), rated D-; Dr Nick Osborne Primary Center (elementary), rated D-; Mount Vernon Township High School (high), rated D. All sit in Mount Vernon School District 80. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 405 S 4th St, Mount Vernon, IL compare to other homes in Mount Vernon 62864?

Among the 7,975 homes in Mount Vernon 62864, it is worth more than almost none of them ($18,772 against a typical $108,352) and its lot is bigger than almost none of them (2,410 ft² against a typical 0.32 ac). Measured against all of Jefferson County, it is worth more than almost no 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 405 S 4th St, Mount Vernon, IL?

The 2025 property tax bill for 405 S 4th St, Mount Vernon, IL was $493. The county assessed it at $6,075.

More homes on S 4th St

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