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Single Family ResidenceResidential
$38,086$50 / 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 79How 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
Last sold for $20,000 on Aug 20, 2024

20 MONA ST

MARIETTA, IL 61459
3
Beds
0
Baths
763 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.
0.95 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$38K
$30K low$46K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$20,000 · Aug 20, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,201 (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.$14,980 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,961
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$12,019
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,134
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$44,940

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyMCDONOUGH
Lot (acres)The size of the land the home sits on, from county records.0.95
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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.

E
Bushnell-Prairie City Elementary SchoolD-
Elementary · Grades PK–5 · 4.9 mi
H
Bushnell-Prairie City High SchoolC-
High · Grades 9–12 · 5.3 mi
M
Bushnell-Prairie City Junior High SchoolD+
Middle · Grades 6–8 · 5.3 mi

District: Bushnell-Prairie City Community Unit School District 170

Neighborhood · ZIP 61459These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.73
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.87%
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.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.382
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,984
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,705
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

20 Mona 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 Marietta 61459
  • Costs less per square foot than 81% of homes in Marietta 61459
  • Smaller than 91% of homes in McDonough County
  • Has a bigger lot than 81% of homes in McDonough County
  • Older than 74% of homes in Marietta 61459

What homes are worth in Marietta 61459

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

This home
$29K$342K

This home is worth more than 6% of homes in Marietta 61459.

How it measures up in Marietta 61459

The dot is this home. The mark in the middle is the typical home in Marietta 61459.

Estimated value$38,086
CheaperTypical $73,680Pricier

Pricier than 6% of homes nearby

Price per ft²$50
CheaperTypical $67Pricier

Pricier than 19% of homes nearby

Living area763 ft²
SmallerTypical 1,080 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.95 ac
SmallerTypical 1 acBigger

Bigger than 44% of homes nearby

Year built1920
OlderTypical 1973Newer

Newer than 26% of homes nearby

How 20 Mona St ranks against every home in each area.
MeasureThis homeMarietta 61459McDonough County
Estimated valuepricier than$38,0866% of homes11% of homes
Price per ft²pricier than$5019% of homes24% of homes
Living areabigger than763 ft²16% of homes9% of homes
Lot sizebigger than0.95 ac44% of homes81% of homes
Year builtnewer than192026% of homes26% of homes

About 20 Mona St

How much is 20 Mona St, Marietta, IL worth?

The TopHap Estimate for 20 Mona St, Marietta, IL is $38,086 as of Sep 24, 2026. The likely range is $29,922 to $46,250. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Mona St, Marietta, IL last sell?

20 Mona St, Marietta, IL last sold on Aug 20, 2024 for $20,000, according to the county's recorded deed.

How big is 20 Mona St, Marietta, IL?

20 Mona St, Marietta, IL has 3 bedrooms, 763 square feet of living space and a 0.95-acre lot.

When was 20 Mona St, Marietta, IL built?

20 Mona St, Marietta, IL was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 20 Mona St, Marietta, IL?

20 Mona St, Marietta, IL is assigned to Bushnell-Prairie City Elementary School (elementary), rated D-; Bushnell-Prairie City High School (high), rated C-; Bushnell-Prairie City Junior High School (middle), rated D+. All sit in Bushnell-Prairie City Community Unit School District 170. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Mona St, Marietta, IL compare to other homes in Marietta 61459?

Among the 125 homes in Marietta 61459, it is worth more than 6% of them ($38,086 against a typical $73,680), its price per square foot is higher than 19% of them ($50 against a typical $67), it is bigger than 16% of them (763 ft² against a typical 1,080 ft²), its lot is bigger than 44% of them (0.95 ac against a typical 1 ac) and it is newer than 26% of them (1920 against a typical 1973). Measured against all of McDonough County, it is worth more than 11% 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 20 Mona St, Marietta, IL?

The 2025 property tax bill for 20 Mona St, Marietta, IL was $1,201. The county assessed it at $14,980.

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