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Single Family ResidenceResidential
$143,910$138 / 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 Sep 24, 2026

129 N MERNITZ AVE

FREEPORT, IL 61032
4
Beds
1.5
Baths
1,040 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$144K
$124K low$164K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,252 (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.$37,568 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,881
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$32,687
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$29,094
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$112,704

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bi-Level
CountySTEPHENSON
Lot (acres)The size of the land the home sits on, from county records.0.38
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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
Empire Elementary SchoolD+
Elementary · Grades PK–4 · 0.8 mi
H
Freeport High SchoolF
High · Grades 9–12 · 0.9 mi
M
Freeport Middle SchoolD+
Middle · Grades 7–8 · 1.0 mi

District: Freeport School District 145

Neighborhood · ZIP 61032These 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.108
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 100.29

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.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.28,326
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.191 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,467
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,841
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

129 N Mernitz Ave 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.

  • Costs more per square foot than 89% of homes in Stephenson County
  • Smaller than 89% of homes in Stephenson County
  • Has a bigger lot than 67% of homes in Freeport 61032
  • Newer than 69% of homes in Freeport 61032

What homes are worth in Freeport 61032

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

This home
$46K$417K

This home is worth more than 52% of homes in Freeport 61032.

How it measures up in Freeport 61032

The dot is this home. The mark in the middle is the typical home in Freeport 61032.

Estimated value$143,910
CheaperTypical $140,170Pricier

Pricier than 52% of homes nearby

Price per ft²$138
CheaperTypical $92Pricier

Pricier than 87% of homes nearby

Living area1,040 ft²
SmallerTypical 1,534 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.38 ac
SmallerTypical 0.25 acBigger

Bigger than 67% of homes nearby

Year built1964
OlderTypical 1949Newer

Newer than 69% of homes nearby

How 129 N Mernitz Ave ranks against every home in each area.
MeasureThis homeFreeport 61032Stephenson County
Estimated valuepricier than$143,91052% of homes40% of homes
Price per ft²pricier than$13887% of homes89% of homes
Living areabigger than1,040 ft²15% of homes11% of homes
Lot sizebigger than0.38 ac67% of homes59% of homes
Year builtnewer than196469% of homes62% of homes

About 129 N Mernitz Ave

How much is 129 N Mernitz Ave, Freeport, IL worth?

The TopHap Estimate for 129 N Mernitz Ave, Freeport, IL is $143,910 as of Sep 24, 2026. The likely range is $124,189 to $163,631. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 129 N Mernitz Ave, Freeport, IL last sell?

129 N Mernitz Ave, Freeport, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 129 N Mernitz Ave, Freeport, IL?

129 N Mernitz Ave, Freeport, IL has 4 bedrooms, 1.5 bathrooms, 1,040 square feet of living space and a 0.38-acre lot.

When was 129 N Mernitz Ave, Freeport, IL built?

129 N Mernitz Ave, Freeport, IL was built in 1964, making it 62 years old. It is a bi-level home.

What schools serve 129 N Mernitz Ave, Freeport, IL?

129 N Mernitz Ave, Freeport, IL is assigned to Empire Elementary School (elementary), rated D+; Freeport High School (high), rated F; Freeport Middle School (middle), rated D+. All sit in Freeport School District 145. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 129 N Mernitz Ave, Freeport, IL compare to other homes in Freeport 61032?

Among the 10,790 homes in Freeport 61032, it is worth more than 52% of them ($143,910 against a typical $140,170), its price per square foot is higher than 87% of them ($138 against a typical $92), it is bigger than 15% of them (1,040 ft² against a typical 1,534 ft²), its lot is bigger than 67% of them (0.38 ac against a typical 0.25 ac) and it is newer than 69% of them (1964 against a typical 1949). Measured against all of Stephenson County, it is worth more than 40% 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 129 N Mernitz Ave, Freeport, IL?

The 2025 property tax bill for 129 N Mernitz Ave, Freeport, IL was $3,252. The county assessed it at $37,568.

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