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CondominiumResidential
Last sold for $220,000 on Jul 28, 2025

431 MADISON ST

JANESVILLE, WI 53548
2
Beds
1.5
Baths
1,152 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$220,000 · Jul 28, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,369 (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.$134,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$126,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$143,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
CountyROCK
Lot (acres)The size of the land the home sits on, from county records.0.13
HeatingThe type of heating system in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 63 ft²

Transaction History(3)

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

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

E
Madison Elementary SchoolD+
Elementary · Grades KG–5 · 0.8 mi
M
Franklin Middle SchoolD
Middle · Grades 6–8 · 0.9 mi
H
Parker High SchoolD-
High · Grades 9–12 · 1.6 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

431 Madison 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.

  • Smaller than 75% of homes in Janesville 53548
  • Has a smaller lot than 94% of homes in Rock County
  • Newer than 73% 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.

Living area1,152 ft²
SmallerTypical 1,444 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.13 ac
SmallerTypical 0.25 acBigger

Bigger than 8% of homes nearby

Year built1986
OlderTypical 1963Newer

Newer than 73% of homes nearby

How 431 Madison St ranks against every home in each area.
MeasureThis homeJanesville 53548Rock County
Living areabigger than1,152 ft²25% of homes30% of homes
Lot sizebigger than0.13 ac8% of homes6% of homes
Year builtnewer than198673% of homes73% of homes

About 431 Madison St

When did 431 Madison St, Janesville, WI last sell?

431 Madison St, Janesville, WI last sold on Jul 28, 2025 for $220,000, according to the county's recorded deed.

How big is 431 Madison St, Janesville, WI?

431 Madison St, Janesville, WI has 2 bedrooms, 1.5 bathrooms, 1,152 square feet of living space and a 0.13-acre lot.

When was 431 Madison St, Janesville, WI built?

431 Madison St, Janesville, WI was built in 1986, making it 40 years old. It is a contemporary home. The building has 2 stories.

What schools serve 431 Madison St, Janesville, WI?

431 Madison St, Janesville, WI is assigned to Madison Elementary School (elementary), rated D+; Franklin Middle School (middle), rated D; 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 431 Madison St, Janesville, WI compare to other homes in Janesville 53548?

Among the 6,715 homes in Janesville 53548, it is bigger than 25% of them (1,152 ft² against a typical 1,444 ft²), its lot is bigger than 8% of them (0.13 ac against a typical 0.25 ac) and it is newer than 73% of them (1986 against a typical 1963). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 431 Madison St, Janesville, WI?

The 2025 property tax bill for 431 Madison St, Janesville, WI was $2,369. The county assessed it at $134,600.

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