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Single Family ResidenceResidential
$238,916$116 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $44,000 on Sep 28, 2015

331 S FREMONT ST

JANESVILLE, WI 53545
5
Beds
2
Baths
2,056 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$239K
$217K low$261K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$44,000 · Sep 28, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,972 (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.$223,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$198,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$223,100

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.Cape Cod
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.1942
Lot (acres)The size of the land the home sits on, from county records.0.24
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

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

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

H
Craig High SchoolC
High · Grades 9–12 · 0.2 mi
E
Roosevelt Elementary SchoolA
Elementary · Grades KG–5 · 0.2 mi
M
Edison Middle SchoolC
Middle · Grades 6–8 · 2.5 mi

District: Janesville School District

Neighborhood · ZIP 53545These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
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.22,576
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.928 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,159
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,377
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

331 S Fremont 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 74% of homes in Janesville 53545
  • Costs less per square foot than 97% of homes in Janesville 53545
  • Bigger than 84% of homes in Rock County
  • Older than 72% of homes in Rock County

What homes are worth in Janesville 53545

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

This home
$146K$747K

This home is worth more than 26% of homes in Janesville 53545.

How it measures up in Janesville 53545

The dot is this home. The mark in the middle is the typical home in Janesville 53545.

Estimated value$238,916
CheaperTypical $282,586Pricier

Pricier than 26% of homes nearby

Price per ft²$116
CheaperTypical $203Pricier

Pricier than 3% of homes nearby

Living area2,056 ft²
SmallerTypical 1,430 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.24 ac
SmallerTypical 0.23 acBigger

Bigger than 52% of homes nearby

Year built1939
OlderTypical 1959Newer

Newer than 30% of homes nearby

How 331 S Fremont St ranks against every home in each area.
MeasureThis homeJanesville 53545Rock County
Estimated valuepricier than$238,91626% of homes36% of homes
Price per ft²pricier than$1163% of homes10% of homes
Living areabigger than2,056 ft²82% of homes84% of homes
Lot sizebigger than0.24 ac52% of homes41% of homes
Year builtnewer than193930% of homes28% of homes

About 331 S Fremont St

How much is 331 S Fremont St, Janesville, WI worth?

The TopHap Estimate for 331 S Fremont St, Janesville, WI is $238,916 as of Jul 14, 2026. The likely range is $217,195 to $260,637. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 331 S Fremont St, Janesville, WI last sell?

331 S Fremont St, Janesville, WI last sold on Sep 28, 2015 for $44,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 331 S Fremont St, Janesville, WI?

331 S Fremont St, Janesville, WI has 5 bedrooms, 2 bathrooms, 2,056 square feet of living space and a 0.24-acre lot.

When was 331 S Fremont St, Janesville, WI built?

331 S Fremont St, Janesville, WI was built in 1939, making it 87 years old. It is a cape cod home. The building has 2 stories.

What schools serve 331 S Fremont St, Janesville, WI?

331 S Fremont St, Janesville, WI is assigned to Craig High School (high), rated C; Roosevelt Elementary School (elementary), rated A; Edison Middle School (middle), rated C. All sit in Janesville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 331 S Fremont St, Janesville, WI compare to other homes in Janesville 53545?

Among the 7,842 homes in Janesville 53545, it is worth more than 26% of them ($238,916 against a typical $282,586), its price per square foot is higher than 3% of them ($116 against a typical $203), it is bigger than 82% of them (2,056 ft² against a typical 1,430 ft²), its lot is bigger than 52% of them (0.24 ac against a typical 0.23 ac) and it is newer than 30% of them (1939 against a typical 1959). Measured against all of Rock County, it is worth more than 36% 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 331 S Fremont St, Janesville, WI?

The 2025 property tax bill for 331 S Fremont St, Janesville, WI was $3,972. The county assessed it at $223,100.

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