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Single Family ResidenceResidential
$312,658$200 / 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

4531 N RIVER RD

JANESVILLE, WI 53545
3
Beds
1
Baths
1,560 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1935
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$313K
$287K low$338K 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.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
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.126%
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.$152,600
JOHNSON BANK · recorded Mar 20, 2007
2nd 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.$162,000
JOHNSON BANK
3rd 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.$100,000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,059 (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.$251,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$66,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$185,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$251,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$280,300

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.36
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
62
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
3
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyRock
Lot (acres)The size of the land the home sits on, from county records.0.25
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

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 · 0.9 mi
H
Milton High SchoolB
High · Grades 9–12 · 6.3 mi
M
Milton Middle SchoolC
Middle · Grades 7–8 · 6.7 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.No

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

4531 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 66% of homes in Janesville 53545
  • Older than 74% of homes in Rock County

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
$141K$748K

This home is worth more than 66% 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$312,658
CheaperTypical $283,143Pricier

Pricier than 66% of homes nearby

Price per ft²$200
CheaperTypical $202Pricier

Pricier than 49% of homes nearby

Living area1,560 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.25 ac
SmallerTypical 0.23 acBigger

Bigger than 61% of homes nearby

Year built1935
OlderTypical 1958Newer

Newer than 28% of homes nearby

How 4531 N River Rd ranks against every home in each area.
MeasureThis homeJanesville 53545Rock County
Estimated valuepricier than$312,65866% of homes60% of homes
Price per ft²pricier than$20049% of homes58% of homes
Living areabigger than1,560 ft²59% of homes64% of homes
Lot sizebigger than0.25 ac61% of homes47% of homes
Year builtnewer than193528% of homes26% of homes

About 4531 N River Rd

How much is 4531 N River Rd, Janesville, WI worth?

The TopHap Estimate for 4531 N River Rd, Janesville, WI is $312,658 as of Jul 14, 2026. The likely range is $287,178 to $338,138. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 4531 N River Rd, Janesville, WI?

4531 N River Rd, Janesville, WI has 3 bedrooms, 1 bathrooms, 1,560 square feet of living space and a 0.25-acre lot.

When was 4531 N River Rd, Janesville, WI built?

4531 N River Rd, Janesville, WI was built in 1935, making it 91 years old. The building has 2 stories.

What schools serve 4531 N River Rd, Janesville, WI?

4531 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 4531 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 66% of them ($312,658 against a typical $283,143), its price per square foot is higher than 49% of them ($200 against a typical $202), it is bigger than 59% of them (1,560 ft² against a typical 1,440 ft²), its lot is bigger than 61% of them (0.25 ac against a typical 0.23 ac) and it is newer than 28% of them (1935 against a typical 1958). Measured against all of Rock County, it is worth more than 60% 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 4531 N River Rd, Janesville, WI?

The 2025 property tax bill for 4531 N River Rd, Janesville, WI was $3,059. The county assessed it at $251,500.

Closest homes

More homes in Janesville 53545

Assigned schools

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