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Single Family ResidenceResidential
$282,032$236 / 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 94How 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

1830 RANDOLPH RD

JANESVILLE, WI 53545
3
Beds
1
Baths
1,194 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$282K
$264K low$300K 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.$282,032
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$225,626

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,422 (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.$204,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$179,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$204,200

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.0.24
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes

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

E
Jefferson Elementary SchoolB-
Elementary · Grades KG–5 · 0.4 mi
M
Marshall Middle SchoolC
Middle · Grades 6–8 · 1.3 mi
H
Craig High SchoolC
High · Grades 9–12 · 1.8 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%

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

1830 Randolph 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 80% of homes in Rock County
  • Smaller than 72% of homes in Janesville 53545
  • Newer than 66% 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
$149K$754K

This home is worth more than 49% 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$282,032
CheaperTypical $283,094Pricier

Pricier than 49% of homes nearby

Price per ft²$236
CheaperTypical $202Pricier

Pricier than 78% of homes nearby

Living area1,194 ft²
SmallerTypical 1,432 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.24 ac
SmallerTypical 0.23 acBigger

Bigger than 56% of homes nearby

Year built1965
OlderTypical 1958Newer

Newer than 66% of homes nearby

How 1830 Randolph Rd ranks against every home in each area.
MeasureThis homeJanesville 53545Rock County
Estimated valuepricier than$282,03249% of homes50% of homes
Price per ft²pricier than$23678% of homes80% of homes
Living areabigger than1,194 ft²28% of homes34% of homes
Lot sizebigger than0.24 ac56% of homes43% of homes
Year builtnewer than196566% of homes54% of homes

About 1830 Randolph Rd

How much is 1830 Randolph Rd, Janesville, WI worth?

The TopHap Estimate for 1830 Randolph Rd, Janesville, WI is $282,032 as of Jul 14, 2026. The likely range is $264,083 to $299,981. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1830 Randolph Rd, Janesville, WI last sell?

1830 Randolph Rd, Janesville, WI last sold on Jul 1, 2013, according to the county's recorded deed.

How big is 1830 Randolph Rd, Janesville, WI?

1830 Randolph Rd, Janesville, WI has 3 bedrooms, 1 bathrooms, 1,194 square feet of living space and a 0.24-acre lot.

When was 1830 Randolph Rd, Janesville, WI built?

1830 Randolph Rd, Janesville, WI was built in 1965, making it 61 years old. It is a ranch home. The building has 1 story.

What schools serve 1830 Randolph Rd, Janesville, WI?

1830 Randolph Rd, Janesville, WI is assigned to Jefferson Elementary School (elementary), rated B-; Marshall Middle School (middle), rated C; Craig High School (high), rated C. All sit in Janesville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1830 Randolph Rd, Janesville, WI compare to other homes in Janesville 53545?

Among the 7,842 homes in Janesville 53545, it is worth more than 49% of them ($282,032 against a typical $283,094), its price per square foot is higher than 78% of them ($236 against a typical $202), it is bigger than 28% of them (1,194 ft² against a typical 1,432 ft²), its lot is bigger than 56% of them (0.24 ac against a typical 0.23 ac) and it is newer than 66% of them (1965 against a typical 1958). 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 1830 Randolph Rd, Janesville, WI?

The 2025 property tax bill for 1830 Randolph Rd, Janesville, WI was $3,422. The county assessed it at $204,200.

Closest homes

More homes in Janesville 53545

Assigned schools

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