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Single Family ResidentialResidential
$110,271
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 84How 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

503 7TH ST

MAZON, IL 60444
0
Baths

Valuation

$110K
$93K low$128K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$386 (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.$4,233 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,233
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,013
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$12,699

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyGRUNDY
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 · 0.1 mi
M
Mazon-Verona-Kinsman Middle SchoolC-
Middle · Grades 5–8 · 0.2 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

503 7th 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 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
$107K$1.5M

This home is worth more than 2% 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$110,271
CheaperTypical $281,186Pricier

Pricier than 2% of homes nearby

How 503 7th St ranks against every home in each area.
MeasureThis homeMazon 60444Grundy County
Estimated valuepricier than$110,2712% of homesalmost no homes

About 503 7th St

How much is 503 7th St, Mazon, IL worth?

The TopHap Estimate for 503 7th St, Mazon, IL is $110,271 as of Aug 30, 2026. The likely range is $92,918 to $127,624. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 7th St, Mazon, IL last sell?

503 7th St, Mazon, IL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 503 7th St, Mazon, IL?

503 7th 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.

What are the property taxes on 503 7th St, Mazon, IL?

The 2025 property tax bill for 503 7th St, Mazon, IL was $386. The county assessed it at $4,233.

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Assigned schools

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