Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$519,500$189 / 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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $47,900 on Jul 25, 1997

3928 MULLEN DR

JANESVILLE, WI 53546
3
Beds
4
Baths
2,751 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$520K
$436K low$603K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$47,900 · Jul 25, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,410 (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.$424,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$44,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$380,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$424,400

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.Colonial
CountyRock
Lot (acres)The size of the land the home sits on, from county records.0.32
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 32 ft²

Foreclosure Filings(3)

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

E
Harrison Elementary SchoolB+
Elementary · Grades KG–5 · 0.3 mi
M
Marshall Middle SchoolC+
Middle · Grades 6–8 · 1.0 mi
H
Craig High SchoolD+
High · Grades 9–12 · 2.0 mi

District: Janesville School District

Neighborhood · ZIP 53546These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.31,634
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.403 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,028
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,718
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%

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

3928 Mullen Dr 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 96% of homes in Janesville 53546
  • Costs less per square foot than 77% of homes in Janesville 53546
  • Bigger than 97% of homes in Janesville 53546
  • Has a bigger lot than 74% of homes in Janesville 53546
  • Newer than 85% of homes in Rock County

What homes are worth in Janesville 53546

Each bar is how many homes fall in that price range. The marker is this home.

This home
$152K$568K

This home is worth more than 96% of homes in Janesville 53546.

How it measures up in Janesville 53546

The dot is this home. The mark in the middle is the typical home in Janesville 53546.

Estimated value$519,500
CheaperTypical $308,122Pricier

Pricier than 96% of homes nearby

Price per ft²$189
CheaperTypical $219Pricier

Pricier than 23% of homes nearby

Living area2,751 ft²
SmallerTypical 1,362 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.32 ac
SmallerTypical 0.25 acBigger

Bigger than 74% of homes nearby

Year built1998
OlderTypical 1986Newer

Newer than 75% of homes nearby

How 3928 Mullen Dr ranks against every home in each area.
MeasureThis homeJanesville 53546Rock County
Estimated valuepricier than$519,50096% of homes92% of homes
Price per ft²pricier than$18923% of homes47% of homes
Living areabigger than2,751 ft²97% of homes95% of homes
Lot sizebigger than0.32 ac74% of homes63% of homes
Year builtnewer than199875% of homes85% of homes

About 3928 Mullen Dr

How much is 3928 Mullen Dr, Janesville, WI worth?

The TopHap Estimate for 3928 Mullen Dr, Janesville, WI is $519,500 as of Sep 24, 2026. The likely range is $436,046 to $602,954. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3928 Mullen Dr, Janesville, WI last sell?

3928 Mullen Dr, Janesville, WI last sold on Jul 25, 1997 for $47,900, according to the county's recorded deed.

How big is 3928 Mullen Dr, Janesville, WI?

3928 Mullen Dr, Janesville, WI has 3 bedrooms, 4 bathrooms, 2,751 square feet of living space and a 0.32-acre lot.

When was 3928 Mullen Dr, Janesville, WI built?

3928 Mullen Dr, Janesville, WI was built in 1998, making it 28 years old. It is a colonial home. The building has 2 stories.

What schools serve 3928 Mullen Dr, Janesville, WI?

3928 Mullen Dr, Janesville, WI is assigned to Harrison Elementary School (elementary), rated B+; Marshall Middle School (middle), rated C+; Craig High School (high), rated D+. All sit in Janesville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3928 Mullen Dr, Janesville, WI compare to other homes in Janesville 53546?

Among the 10,824 homes in Janesville 53546, it is worth more than 96% of them ($519,500 against a typical $308,122), its price per square foot is higher than 23% of them ($189 against a typical $219), it is bigger than 97% of them (2,751 ft² against a typical 1,362 ft²), its lot is bigger than 74% of them (0.32 ac against a typical 0.25 ac) and it is newer than 75% of them (1998 against a typical 1986). Measured against all of Rock County, it is worth more than 92% 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 3928 Mullen Dr, Janesville, WI?

The 2025 property tax bill for 3928 Mullen Dr, Janesville, WI was $7,410. The county assessed it at $424,400.

More homes on Mullen Dr

Closest homes

More homes in Janesville 53546

Assigned schools

Explore the area

See this home in context

Open 3928 Mullen Dr 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