Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$225,664$278 / 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 Oct 21, 2026
Last sold for $190,500 on Nov 22, 2024

21 S RANDALL AVE

JANESVILLE, WI 53545
2
Beds
1
Baths
813 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$226K
$188K low$263K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$190,500 · Nov 22, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,203 (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.$136,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$114,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$136,900

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
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.1955
Lot (acres)The size of the land the home sits on, from county records.0.22
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 240 ft²Patio · 240 ft²Porch · 32 ft²

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

H
Craig High SchoolD+
High · Grades 9–12 · 0.6 mi
E
Monroe Elementary SchoolA
Elementary · Grades KG–5 · 0.8 mi
M
Marshall Middle SchoolC+
Middle · Grades 6–8 · 0.9 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%

Owner Tools

Do you own this home?
Claim this home

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

21 S Randall Ave 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 less than 82% of homes in Janesville 53545
  • Costs more per square foot than 95% of homes in Janesville 53545
  • Smaller than 98% of homes in Janesville 53545
  • Has a smaller lot than 65% of homes in Rock County
  • Older than 69% 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
$160K$734K

This home is worth more than 18% 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$225,664
CheaperTypical $283,493Pricier

Pricier than 18% of homes nearby

Price per ft²$278
CheaperTypical $204Pricier

Pricier than 95% of homes nearby

Living area813 ft²
SmallerTypical 1,432 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.22 ac
SmallerTypical 0.23 acBigger

Bigger than 43% of homes nearby

Year built1945
OlderTypical 1958Newer

Newer than 33% of homes nearby

How 21 S Randall Ave ranks against every home in each area.
MeasureThis homeJanesville 53545Rock County
Estimated valuepricier than$225,66418% of homes30% of homes
Price per ft²pricier than$27895% of homes94% of homes
Living areabigger than813 ft²2% of homes5% of homes
Lot sizebigger than0.22 ac43% of homes35% of homes
Year builtnewer than194533% of homes31% of homes

About 21 S Randall Ave

How much is 21 S Randall Ave, Janesville, WI worth?

The TopHap Estimate for 21 S Randall Ave, Janesville, WI is $225,664 as of Oct 21, 2026. The likely range is $188,334 to $262,994. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 S Randall Ave, Janesville, WI last sell?

21 S Randall Ave, Janesville, WI last sold on Nov 22, 2024 for $190,500, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 21 S Randall Ave, Janesville, WI?

21 S Randall Ave, Janesville, WI has 2 bedrooms, 1 bathrooms, 813 square feet of living space and a 0.22-acre lot.

When was 21 S Randall Ave, Janesville, WI built?

21 S Randall Ave, Janesville, WI was built in 1945, making it 81 years old. It is a ranch home. The building has 1 story.

What schools serve 21 S Randall Ave, Janesville, WI?

21 S Randall Ave, Janesville, WI is assigned to Craig High School (high), rated D+; Monroe Elementary School (elementary), rated A; Marshall Middle School (middle), rated C+. All sit in Janesville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 S Randall Ave, Janesville, WI compare to other homes in Janesville 53545?

Among the 7,842 homes in Janesville 53545, it is worth more than 18% of them ($225,664 against a typical $283,493), its price per square foot is higher than 95% of them ($278 against a typical $204), it is bigger than 2% of them (813 ft² against a typical 1,432 ft²), its lot is bigger than 43% of them (0.22 ac against a typical 0.23 ac) and it is newer than 33% of them (1945 against a typical 1958). Measured against all of Rock County, it is worth more than 30% 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 21 S Randall Ave, Janesville, WI?

The 2025 property tax bill for 21 S Randall Ave, Janesville, WI was $2,203. The county assessed it at $136,900.

More homes on S Randall Ave

Closest homes

More homes in Janesville 53545

Assigned schools

Explore the area

See this home in context

Open 21 S Randall Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map