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Single Family ResidenceResidential
$344,204$243 / 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 83How 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

4040 N RIVER RD

JANESVILLE, WI 53545
3
Beds
2 / 1
Baths
1,414 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.
1.03 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$344K
$286K low$403K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$199,204
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$159,363
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.41%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$145,000
SUMMIT CU · recorded Nov 30, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,780 (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.$230,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$71,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$159,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$230,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$256,500

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.1.03
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, Attached

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.

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

E
Consolidated Elementary SchoolA+
Elementary · Grades KG–3 · 0.8 mi
H
Milton High SchoolB
High · Grades 9–12 · 6.0 mi
M
Milton Middle SchoolC
Middle · Grades 7–8 · 6.4 mi

District: Milton 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

4040 N 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 76% of homes in Janesville 53545
  • Costs more per square foot than 84% of homes in Rock County
  • Has a bigger lot than 91% 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
$145K$763K

This home is worth more than 76% 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$344,204
CheaperTypical $283,348Pricier

Pricier than 76% of homes nearby

Price per ft²$243
CheaperTypical $202Pricier

Pricier than 82% of homes nearby

Living area1,414 ft²
SmallerTypical 1,438 ft²Bigger

Bigger than 48% of homes nearby

Lot size1.03 ac
SmallerTypical 0.23 acBigger

Bigger than 91% of homes nearby

Year built1958
OlderTypical 1958Newer

Newer than 50% of homes nearby

How 4040 N River Rd ranks against every home in each area.
MeasureThis homeJanesville 53545Rock County
Estimated valuepricier than$344,20476% of homes68% of homes
Price per ft²pricier than$24382% of homes84% of homes
Living areabigger than1,414 ft²48% of homes54% of homes
Lot sizebigger than1.03 ac91% of homes85% of homes
Year builtnewer than195850% of homes45% of homes

About 4040 N River Rd

How much is 4040 N River Rd, Janesville, WI worth?

The TopHap Estimate for 4040 N River Rd, Janesville, WI is $344,204 as of Jul 14, 2026. The likely range is $285,598 to $402,810. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 4040 N River Rd, Janesville, WI?

4040 N River Rd, Janesville, WI has 3 bedrooms, 2 bathrooms, 1,414 square feet of living space and a 1.03-acre lot.

When was 4040 N River Rd, Janesville, WI built?

4040 N River Rd, Janesville, WI was built in 1958, making it 68 years old. It is a ranch home. The building has 1 story.

What schools serve 4040 N River Rd, Janesville, WI?

4040 N River Rd, Janesville, WI is assigned to Consolidated Elementary School (elementary), rated A+; Milton High School (high), rated B; Milton Middle School (middle), rated C. All sit in Milton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4040 N River Rd, Janesville, WI compare to other homes in Janesville 53545?

Among the 7,842 homes in Janesville 53545, it is worth more than 76% of them ($344,204 against a typical $283,348), its price per square foot is higher than 82% of them ($243 against a typical $202), it is bigger than 48% of them (1,414 ft² against a typical 1,438 ft²), its lot is bigger than 91% of them (1.03 ac against a typical 0.23 ac) and it is newer than 50% of them (1958 against a typical 1958). Measured against all of Rock County, it is worth more than 68% 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 4040 N River Rd, Janesville, WI?

The 2025 property tax bill for 4040 N River Rd, Janesville, WI was $2,780. The county assessed it at $230,200.

Closest homes

More homes in Janesville 53545

Assigned schools

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