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Single Family ResidenceResidential
$280,711$215 / 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 Jul 14, 2026

4804 W ROCKPORT RD

JANESVILLE, WI 53548
2
Beds
1
Baths
1,304 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.
0.91 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$281K
$260K low$302K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,895 (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.$219,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$189,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$219,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$244,700

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.Ranch
CountyRock
Lot (acres)The size of the land the home sits on, from county records.0.91
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

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.

H
Parker High SchoolD+
High · Grades 9–12 · 1.8 mi
M
Franklin Middle SchoolC-
Middle · Grades 6–8 · 2.4 mi
E
Madison Elementary SchoolC
Elementary · Grades KG–5 · 2.5 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

4804 W Rockport 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.

  • Costs more per square foot than 68% of homes in Rock County
  • Has a bigger lot than 82% of homes in Rock County
  • Older than 75% 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
$97K$760K

This home is worth more than 51% 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$280,711
CheaperTypical $279,171Pricier

Pricier than 51% of homes nearby

Price per ft²$215
CheaperTypical $191Pricier

Pricier than 64% of homes nearby

Living area1,304 ft²
SmallerTypical 1,448 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.91 ac
SmallerTypical 0.24 acBigger

Bigger than 80% of homes nearby

Year built1930
OlderTypical 1963Newer

Newer than 30% of homes nearby

How 4804 W Rockport Rd ranks against every home in each area.
MeasureThis homeJanesville 53548Rock County
Estimated valuepricier than$280,71151% of homes50% of homes
Price per ft²pricier than$21564% of homes68% of homes
Living areabigger than1,304 ft²39% of homes44% of homes
Lot sizebigger than0.91 ac80% of homes82% of homes
Year builtnewer than193030% of homes25% of homes

About 4804 W Rockport Rd

How much is 4804 W Rockport Rd, Janesville, WI worth?

The TopHap Estimate for 4804 W Rockport Rd, Janesville, WI is $280,711 as of Jul 14, 2026. The likely range is $259,610 to $301,812. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 4804 W Rockport Rd, Janesville, WI?

4804 W Rockport Rd, Janesville, WI has 2 bedrooms, 1 bathrooms, 1,304 square feet of living space and a 0.91-acre lot.

When was 4804 W Rockport Rd, Janesville, WI built?

4804 W Rockport Rd, Janesville, WI was built in 1930, making it 96 years old. It is a ranch home. The building has 1 story.

What schools serve 4804 W Rockport Rd, Janesville, WI?

4804 W Rockport Rd, Janesville, WI is assigned to Parker High School (high), rated D+; Franklin Middle School (middle), rated C-; Madison Elementary School (elementary), rated C. All sit in Janesville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4804 W Rockport Rd, Janesville, WI compare to other homes in Janesville 53548?

Among the 6,715 homes in Janesville 53548, it is worth more than 51% of them ($280,711 against a typical $279,171), its price per square foot is higher than 64% of them ($215 against a typical $191), it is bigger than 39% of them (1,304 ft² against a typical 1,448 ft²), its lot is bigger than 80% of them (0.91 ac against a typical 0.24 ac) and it is newer than 30% of them (1930 against a typical 1963). Measured against all of Rock County, it is worth more than 50% 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 4804 W Rockport Rd, Janesville, WI?

The 2025 property tax bill for 4804 W Rockport Rd, Janesville, WI was $2,895. The county assessed it at $219,600.

More homes on W Rockport Rd

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More homes in Janesville 53548

Assigned schools

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