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Single Family ResidenceResidential
$385,853$198 / 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 98How 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 $375,000 on Mar 18, 2026

1903 S RIVER RD

JANESVILLE, WI 53546
4
Beds
2
Baths
1,944 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.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
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

$386K
$378K low$393K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$375,000 · Mar 18, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,112 (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.$242,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$214,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$242,300

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.1958
Lot (acres)The size of the land the home sits on, from county records.0.49
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 · 177 ft²Patio · 177 ft²Porch · 54 ft²

Transaction History(1)

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
Lincoln Elementary SchoolD
Elementary · Grades KG–5 · 0.7 mi
M
Edison Middle SchoolC
Middle · Grades 6–8 · 1.1 mi
H
Parker High SchoolD+
High · Grades 9–12 · 2.4 mi

District: Janesville School District

Neighborhood · ZIP 53546These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.31,634
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.403 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,028
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,718
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%

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

1903 S River Rd 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 more than 78% of homes in Janesville 53546
  • Costs less per square foot than 68% of homes in Janesville 53546
  • Bigger than 84% of homes in Janesville 53546
  • Has a bigger lot than 87% of homes in Janesville 53546
  • Older than 90% of homes in Janesville 53546

What homes are worth in Janesville 53546

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

This home
$147K$544K

This home is worth more than 78% of homes in Janesville 53546.

How it measures up in Janesville 53546

The dot is this home. The mark in the middle is the typical home in Janesville 53546.

Estimated value$385,853
CheaperTypical $303,679Pricier

Pricier than 78% of homes nearby

Price per ft²$198
CheaperTypical $220Pricier

Pricier than 32% of homes nearby

Living area1,944 ft²
SmallerTypical 1,364 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.49 ac
SmallerTypical 0.25 acBigger

Bigger than 87% of homes nearby

Year built1955
OlderTypical 1986Newer

Newer than 10% of homes nearby

How 1903 S River Rd ranks against every home in each area.
MeasureThis homeJanesville 53546Rock County
Estimated valuepricier than$385,85378% of homes77% of homes
Price per ft²pricier than$19832% of homes57% of homes
Living areabigger than1,944 ft²84% of homes81% of homes
Lot sizebigger than0.49 ac87% of homes75% of homes
Year builtnewer than195510% of homes41% of homes

About 1903 S River Rd

How much is 1903 S River Rd, Janesville, WI worth?

The TopHap Estimate for 1903 S River Rd, Janesville, WI is $385,853 as of Jul 14, 2026. The likely range is $378,220 to $393,486. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1903 S River Rd, Janesville, WI last sell?

1903 S River Rd, Janesville, WI last sold on Mar 18, 2026 for $375,000, according to the county's recorded deed.

How big is 1903 S River Rd, Janesville, WI?

1903 S River Rd, Janesville, WI has 4 bedrooms, 2 bathrooms, 1,944 square feet of living space and a 0.49-acre lot.

When was 1903 S River Rd, Janesville, WI built?

1903 S River Rd, Janesville, WI was built in 1955, making it 71 years old. It is a cape cod home. The building has 2 stories.

What schools serve 1903 S River Rd, Janesville, WI?

1903 S River Rd, Janesville, WI is assigned to Lincoln Elementary School (elementary), rated D; Edison 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 1903 S River Rd, Janesville, WI compare to other homes in Janesville 53546?

Among the 10,824 homes in Janesville 53546, it is worth more than 78% of them ($385,853 against a typical $303,679), its price per square foot is higher than 32% of them ($198 against a typical $220), it is bigger than 84% of them (1,944 ft² against a typical 1,364 ft²), its lot is bigger than 87% of them (0.49 ac against a typical 0.25 ac) and it is newer than 10% of them (1955 against a typical 1986). Measured against all of Rock County, it is worth more than 77% 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 1903 S River Rd, Janesville, WI?

The 2025 property tax bill for 1903 S River Rd, Janesville, WI was $4,112. The county assessed it at $242,300.

More homes on S River Rd

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Assigned schools

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