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Single Family ResidenceResidential
$135,979$126 / 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 92How 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

433 HARDING ST

JANESVILLE, WI 53545
3
Beds
1
Baths
1,076 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.
3,790 ft²
Lot SizeThe size of the land the home sits on, from county records.
1880
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$136K
$126K low$146K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,929 (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.$110,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$98,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$117,266

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.1891
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
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 · 72 ft²

Transaction History(2)

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.

E
Adams Elementary SchoolC
Elementary · Grades KG–5 · 0.8 mi
M
Franklin Middle SchoolC-
Middle · Grades 6–8 · 1.3 mi
H
Parker High SchoolD+
High · Grades 9–12 · 2.0 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

433 Harding 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 Janesville 53545
  • Costs less per square foot than 95% of homes in Janesville 53545
  • Smaller than 85% of homes in Janesville 53545
  • Has a smaller lot than 98% of homes in Janesville 53545
  • Older than 96% of homes in Janesville 53545

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
$159K$739K

This home is worth less than almost all 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$135,979
CheaperTypical $281,755Pricier

Cheaper than almost all homes nearby

Price per ft²$126
CheaperTypical $202Pricier

Pricier than 5% of homes nearby

Living area1,076 ft²
SmallerTypical 1,432 ft²Bigger

Bigger than 15% of homes nearby

Lot size3,790 ft²
SmallerTypical 0.23 acBigger

Bigger than 2% of homes nearby

Year built1880
OlderTypical 1958Newer

Newer than 4% of homes nearby

How 433 Harding St ranks against every home in each area.
MeasureThis homeJanesville 53545Rock County
Estimated valuepricier than$135,979almost no homes7% of homes
Price per ft²pricier than$1265% of homes13% of homes
Living areabigger than1,076 ft²15% of homes22% of homes
Lot sizebigger than3,790 ft²2% of homes2% of homes
Year builtnewer than18804% of homes4% of homes

About 433 Harding St

How much is 433 Harding St, Janesville, WI worth?

The TopHap Estimate for 433 Harding St, Janesville, WI is $135,979 as of Sep 24, 2026. The likely range is $125,706 to $146,252. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 433 Harding St, Janesville, WI last sell?

433 Harding St, Janesville, WI last sold on Sep 29, 2015, according to the county's recorded deed.

How big is 433 Harding St, Janesville, WI?

433 Harding St, Janesville, WI has 3 bedrooms, 1 bathrooms, 1,076 square feet of living space and a 0.09-acre lot.

When was 433 Harding St, Janesville, WI built?

433 Harding St, Janesville, WI was built in 1880, making it 146 years old. The building has 2 stories.

What schools serve 433 Harding St, Janesville, WI?

433 Harding St, Janesville, WI is assigned to Adams Elementary School (elementary), rated C; 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 433 Harding St, Janesville, WI compare to other homes in Janesville 53545?

Among the 7,842 homes in Janesville 53545, it is worth more than almost none of them ($135,979 against a typical $281,755), its price per square foot is higher than 5% of them ($126 against a typical $202), it is bigger than 15% of them (1,076 ft² against a typical 1,432 ft²), its lot is bigger than 2% of them (3,790 ft² against a typical 0.23 ac) and it is newer than 4% of them (1880 against a typical 1958). Measured against all of Rock County, it is worth more than 7% 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 433 Harding St, Janesville, WI?

The 2025 property tax bill for 433 Harding St, Janesville, WI was $1,929. The county assessed it at $110,300.

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