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Single Family ResidenceResidential
$120,463$145 / 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 89How 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
Last sold for $44,900 on Aug 25, 1998

321 PARK AVE

JANESVILLE, WI 53548
2
Beds
1
Baths
832 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.
3,746 ft²
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$120K
$108K low$133K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$44,900 · Aug 25, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,482 (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.$97,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$90,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$97,100

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.Bungalow
CountyRock
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1895
Lot (acres)The size of the land the home sits on, from county records.0.09
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 16 ft²Porch · 110 ft²

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

E
Wilson Elementary SchoolD
Elementary · Grades KG–5 · 0.3 mi
M
Franklin Middle SchoolC-
Middle · Grades 6–8 · 1.5 mi
H
Parker High SchoolD+
High · Grades 9–12 · 2.1 mi

District: Janesville School District

Neighborhood · ZIP 53548These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
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.1.1%
PopulationHow many people live in this area.20,818
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.284 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,018
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,665
Average tempThe average temperature here across a full year.47°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.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

321 Park 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.

  • Worth less than 95% of homes in Rock County
  • Costs less per square foot than 72% of homes in Rock County
  • Smaller than 95% of homes in Janesville 53548
  • Among the smallest lots in Rock County
  • Older than 94% of homes in Rock County

What homes are worth in Janesville 53548

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

This home
$93K$720K

This home is worth more than 6% of homes in Janesville 53548.

How it measures up in Janesville 53548

The dot is this home. The mark in the middle is the typical home in Janesville 53548.

Estimated value$120,463
CheaperTypical $260,860Pricier

Pricier than 6% of homes nearby

Price per ft²$145
CheaperTypical $176Pricier

Pricier than 30% of homes nearby

Living area832 ft²
SmallerTypical 1,448 ft²Bigger

Bigger than 5% of homes nearby

Lot size3,746 ft²
SmallerTypical 0.24 acBigger

Bigger than 2% of homes nearby

Year built1890
OlderTypical 1963Newer

Newer than 13% of homes nearby

How 321 Park Ave ranks against every home in each area.
MeasureThis homeJanesville 53548Rock County
Estimated valuepricier than$120,4636% of homes5% of homes
Price per ft²pricier than$14530% of homes28% of homes
Living areabigger than832 ft²5% of homes6% of homes
Lot sizebigger than3,746 ft²2% of homesalmost no homes
Year builtnewer than189013% of homes6% of homes

About 321 Park Ave

How much is 321 Park Ave, Janesville, WI worth?

The TopHap Estimate for 321 Park Ave, Janesville, WI is $120,463 as of Aug 30, 2026. The likely range is $107,784 to $133,142. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Park Ave, Janesville, WI last sell?

321 Park Ave, Janesville, WI last sold on Aug 25, 1998 for $44,900, according to the county's recorded deed.

How big is 321 Park Ave, Janesville, WI?

321 Park Ave, Janesville, WI has 2 bedrooms, 1 bathrooms, 832 square feet of living space and a 0.09-acre lot.

When was 321 Park Ave, Janesville, WI built?

321 Park Ave, Janesville, WI was built in 1890, making it 136 years old. It is a bungalow home. The building has 1 story.

What schools serve 321 Park Ave, Janesville, WI?

321 Park Ave, Janesville, WI is assigned to Wilson Elementary School (elementary), rated D; Franklin Middle School (middle), rated C-; Parker High School (high), rated D+. All sit in Janesville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Park Ave, Janesville, WI compare to other homes in Janesville 53548?

Among the 6,715 homes in Janesville 53548, it is worth more than 6% of them ($120,463 against a typical $260,860), its price per square foot is higher than 30% of them ($145 against a typical $176), it is bigger than 5% of them (832 ft² against a typical 1,448 ft²), its lot is bigger than 2% of them (3,746 ft² against a typical 0.24 ac) and it is newer than 13% of them (1890 against a typical 1963). Measured against all of Rock County, it is worth more than 5% 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 321 Park Ave, Janesville, WI?

The 2025 property tax bill for 321 Park Ave, Janesville, WI was $1,482. The county assessed it at $97,100.

More homes on Park Ave

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Assigned schools

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