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Single Family ResidentialResidential
$101,101$108 / 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 86How 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

641 WASHINGTON ST

MASON, IL 62443
0
Baths
932 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.
0.43 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.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$101K
$87K low$115K 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.$13,120 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$11,220
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$12,030
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$39,360

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.0.43
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)

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

H
Effingham High SchoolA
High · Grades 9–12 · 11.8 mi
E
South Side Grade School
Elementary · Grades 1–2 · 11.8 mi
M
Effingham Junior High SchoolB-
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

641 Washington 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 97% of homes in Effingham County
  • Costs less per square foot than 96% of homes in Effingham County
  • Smaller than 90% of homes in Effingham County
  • Has a smaller lot than 85% of homes in Mason 62443
  • Older than 93% of homes in Effingham County

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
$65K$581K

This home is worth more than 8% 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$101,101
CheaperTypical $244,464Pricier

Pricier than 8% of homes nearby

Price per ft²$108
CheaperTypical $176Pricier

Pricier than 10% of homes nearby

Living area932 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.43 ac
SmallerTypical 3.39 acBigger

Bigger than 15% of homes nearby

Year built1900
OlderTypical 1979Newer

Newer than 11% of homes nearby

How 641 Washington St ranks against every home in each area.
MeasureThis homeMason 62443Effingham County
Estimated valuepricier than$101,1018% of homes3% of homes
Price per ft²pricier than$10810% of homes4% of homes
Living areabigger than932 ft²12% of homes10% of homes
Lot sizebigger than0.43 ac15% of homes42% of homes
Year builtnewer than190011% of homes7% of homes

About 641 Washington St

How much is 641 Washington St, Mason, IL worth?

The TopHap Estimate for 641 Washington St, Mason, IL is $101,101 as of Aug 30, 2026. The likely range is $86,987 to $115,215. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 641 Washington St, Mason, IL?

641 Washington St, Mason, IL has 932 square feet of living space and a 0.43-acre lot.

When was 641 Washington St, Mason, IL built?

641 Washington St, Mason, IL was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 641 Washington St, Mason, IL?

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

How does 641 Washington St, Mason, IL compare to other homes in Mason 62443?

Among the 657 homes in Mason 62443, it is worth more than 8% of them ($101,101 against a typical $244,464), its price per square foot is higher than 10% of them ($108 against a typical $176), it is bigger than 12% of them (932 ft² against a typical 1,400 ft²), its lot is bigger than 15% of them (0.43 ac against a typical 3.39 ac) and it is newer than 11% of them (1900 against a typical 1979). Measured against all of Effingham County, it is worth more than 3% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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