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Rural ResidenceResidential
$731,263$37 / 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 44How 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

SOUTH ST

MAZON, IL 60444
0
Baths
19,630 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.
17.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.

Valuation

$731K
$322K low$1.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,363 (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.$17,551 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,082
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,469
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$16,830
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$43,623

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.67 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyGRUNDY
Lot (acres)The size of the land the home sits on, from county records.17.70
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.

E
Mazon-Verona-Kinsman Elementary SchoolA-
Elementary · Grades PK–4 · 0.4 mi
M
Mazon-Verona-Kinsman Middle SchoolC-
Middle · Grades 5–8 · 0.4 mi
H
Seneca High SchoolA+
High · Grades 9–12 · 10.6 mi

District: Seneca Township High School District 160

Neighborhood · ZIP 60444These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.70
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.2,465
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.50 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,182
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,874
Average tempThe average temperature here across a full year.50°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.54%

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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

South 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 more than 96% of homes in Grundy County
  • Among the lowest price per square foot in Mazon 60444
  • Among the largest homes in Mazon 60444
  • Has a bigger lot than 95% of homes in Grundy County
  • Older than 68% of homes in Grundy County

What homes are worth in Mazon 60444

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

This home
$94K$1.3M

This home is worth more than 91% of homes in Mazon 60444.

How it measures up in Mazon 60444

The dot is this home. The mark in the middle is the typical home in Mazon 60444.

Estimated value$731,263
CheaperTypical $279,550Pricier

Pricier than 91% of homes nearby

Price per ft²$37
CheaperTypical $168Pricier

Cheaper than almost all homes nearby

Living area19,630 ft²
SmallerTypical 1,640 ft²Bigger

Bigger than almost all homes nearby

Lot size17.7 ac
SmallerTypical 0.59 acBigger

Bigger than 84% of homes nearby

Year built1970
OlderTypical 1973Newer

Newer than 46% of homes nearby

How South St ranks against every home in each area.
MeasureThis homeMazon 60444Grundy County
Estimated valuepricier than$731,26391% of homes96% of homes
Price per ft²pricier than$37almost no homesalmost no homes
Living areabigger than19,630 ft²almost all homesalmost all homes
Lot sizebigger than17.7 ac84% of homes95% of homes
Year builtnewer than197046% of homes32% of homes

About South St

How much is South St, Mazon, IL worth?

The TopHap Estimate for South St, Mazon, IL is $731,263 as of Aug 30, 2026. The likely range is $321,520 to $1,141,006. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did South St, Mazon, IL last sell?

South St, Mazon, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is South St, Mazon, IL?

South St, Mazon, IL has 19,630 square feet of living space and a 17.70-acre lot.

When was South St, Mazon, IL built?

South St, Mazon, IL was built in 1970, making it 56 years old.

What schools serve South St, Mazon, IL?

South St, Mazon, IL is assigned to Mazon-Verona-Kinsman Elementary School (elementary), rated A-; Mazon-Verona-Kinsman Middle School (middle), rated C-; Seneca High School (high), rated A+. All sit in Seneca Township High School District 160. Attendance boundaries change — confirm with the district before relying on an assignment.

How does South St, Mazon, IL compare to other homes in Mazon 60444?

Among the 731 homes in Mazon 60444, it is worth more than 91% of them ($731,263 against a typical $279,550), its price per square foot is higher than almost none of them ($37 against a typical $168), it is bigger than almost all of them (19,630 ft² against a typical 1,640 ft²), its lot is bigger than 84% of them (17.7 ac against a typical 0.59 ac) and it is newer than 46% of them (1970 against a typical 1973). Measured against all of Grundy County, it is worth more than 96% 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 South St, Mazon, IL?

The 2025 property tax bill for South St, Mazon, IL was $1,363. The county assessed it at $17,551.

More homes on South St

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Assigned schools

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