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Single Family ResidentialResidential
$146,185$102 / 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 92How 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

345 JEFFERSON ST

MASON, IL 62443
1
Beds
0
Baths
1,433 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$146K
$135K low$158K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$293 (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.$24,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,610
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,690
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$22,090
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$72,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyEFFINGHAM
Lot (acres)The size of the land the home sits on, from county records.0.33
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.

H
Effingham High SchoolB-
High · Grades 9–12 · 11.8 mi
E
South Side Grade School
Elementary · Grades 1–2 · 11.8 mi
M
Effingham Junior High SchoolC+
Middle · Grades 6–8 · 12.0 mi

District: Effingham Community Unit School District 40

Neighborhood · ZIP 62443These 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.138
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 100.146

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.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.2,112
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.26 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,389
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,638
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

345 Jefferson 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 less than 94% of homes in Effingham County
  • Costs less per square foot than 97% of homes in Effingham County
  • Has a smaller lot than 88% of homes in Mason 62443

What homes are worth in Mason 62443

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

This home
$57K$689K

This home is worth more than 21% of homes in Mason 62443.

How it measures up in Mason 62443

The dot is this home. The mark in the middle is the typical home in Mason 62443.

Estimated value$146,185
CheaperTypical $243,585Pricier

Pricier than 21% of homes nearby

Price per ft²$102
CheaperTypical $181Pricier

Pricier than 12% of homes nearby

Living area1,433 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.33 ac
SmallerTypical 3.39 acBigger

Bigger than 12% of homes nearby

Year built1975
OlderTypical 1980Newer

Newer than 43% of homes nearby

How 345 Jefferson St ranks against every home in each area.
MeasureThis homeMason 62443Effingham County
Estimated valuepricier than$146,18521% of homes6% of homes
Price per ft²pricier than$10212% of homes3% of homes
Living areabigger than1,433 ft²54% of homes50% of homes
Lot sizebigger than0.33 ac12% of homes34% of homes
Year builtnewer than197543% of homes47% of homes

About 345 Jefferson St

How much is 345 Jefferson St, Mason, IL worth?

The TopHap Estimate for 345 Jefferson St, Mason, IL is $146,185 as of Oct 21, 2026. The likely range is $134,677 to $157,693. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 345 Jefferson St, Mason, IL last sell?

345 Jefferson St, Mason, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 345 Jefferson St, Mason, IL?

345 Jefferson St, Mason, IL has 1 bedrooms, 1,433 square feet of living space and a 0.33-acre lot.

When was 345 Jefferson St, Mason, IL built?

345 Jefferson St, Mason, IL was built in 1975, making it 51 years old. The building has 1 story.

What schools serve 345 Jefferson St, Mason, IL?

345 Jefferson St, Mason, IL is assigned to Effingham High School (high), rated B-; South Side Grade School (elementary); Effingham Junior High School (middle), rated C+. All sit in Effingham Community Unit School District 40. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 345 Jefferson St, Mason, IL compare to other homes in Mason 62443?

Among the 664 homes in Mason 62443, it is worth more than 21% of them ($146,185 against a typical $243,585), its price per square foot is higher than 12% of them ($102 against a typical $181), it is bigger than 54% of them (1,433 ft² against a typical 1,400 ft²), its lot is bigger than 12% of them (0.33 ac against a typical 3.39 ac) and it is newer than 43% of them (1975 against a typical 1980). Measured against all of Effingham County, it is worth more than 6% 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 345 Jefferson St, Mason, IL?

The 2025 property tax bill for 345 Jefferson St, Mason, IL was $293. The county assessed it at $24,300.

More homes on Jefferson St

Closest homes

More homes in Mason 62443

Assigned schools

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