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CondominiumResidential
$326,097$228 / 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 97How 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

3721 GALAXY DR

JANESVILLE, WI 53546
2
Beds
2
Baths
1,431 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
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.

Valuation

$326K
$315K low$337K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,034 (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.$254,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$240,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$270,572

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
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.0.17
HeatingThe type of heating system in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Harmony Elementary SchoolA+
Elementary · Grades PK–3 · 0.2 mi
H
Milton High SchoolC+
High · Grades 9–12 · 3.4 mi
M
Milton Middle SchoolB+
Middle · Grades 7–8 · 3.8 mi

District: Milton 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%

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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

3721 Galaxy 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.

  • Costs more per square foot than 73% of homes in Rock County
  • Has a smaller lot than 90% of homes in Janesville 53546
  • Newer than 91% 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
$151K$566K

This home is worth more than 58% 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$326,097
CheaperTypical $307,736Pricier

Pricier than 58% of homes nearby

Price per ft²$228
CheaperTypical $220Pricier

Pricier than 58% of homes nearby

Living area1,431 ft²
SmallerTypical 1,360 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.17 ac
SmallerTypical 0.25 acBigger

Bigger than 10% of homes nearby

Year built2003
OlderTypical 1985Newer

Newer than 86% of homes nearby

How 3721 Galaxy Dr ranks against every home in each area.
MeasureThis homeJanesville 53546Rock County
Estimated valuepricier than$326,09758% of homes63% of homes
Price per ft²pricier than$22858% of homes73% of homes
Living areabigger than1,431 ft²56% of homes55% of homes
Lot sizebigger than0.17 ac10% of homes19% of homes
Year builtnewer than200386% of homes91% of homes

About 3721 Galaxy Dr

How much is 3721 Galaxy Dr, Janesville, WI worth?

The TopHap Estimate for 3721 Galaxy Dr, Janesville, WI is $326,097 as of Sep 24, 2026. The likely range is $315,470 to $336,724. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3721 Galaxy Dr, Janesville, WI last sell?

3721 Galaxy Dr, Janesville, WI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3721 Galaxy Dr, Janesville, WI?

3721 Galaxy Dr, Janesville, WI has 2 bedrooms, 2 bathrooms, 1,431 square feet of living space and a 0.17-acre lot.

When was 3721 Galaxy Dr, Janesville, WI built?

3721 Galaxy Dr, Janesville, WI was built in 2003, making it 23 years old. It is a ranch home. The building has 1 story.

What schools serve 3721 Galaxy Dr, Janesville, WI?

3721 Galaxy Dr, Janesville, WI is assigned to Harmony Elementary School (elementary), rated A+; Milton High School (high), rated C+; Milton Middle School (middle), rated B+. All sit in Milton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3721 Galaxy Dr, Janesville, WI compare to other homes in Janesville 53546?

Among the 10,824 homes in Janesville 53546, it is worth more than 58% of them ($326,097 against a typical $307,736), its price per square foot is higher than 58% of them ($228 against a typical $220), it is bigger than 56% of them (1,431 ft² against a typical 1,360 ft²), its lot is bigger than 10% of them (0.17 ac against a typical 0.25 ac) and it is newer than 86% of them (2003 against a typical 1985). Measured against all of Rock County, it is worth more than 63% 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 3721 Galaxy Dr, Janesville, WI?

The 2025 property tax bill for 3721 Galaxy Dr, Janesville, WI was $4,034. The county assessed it at $254,500.

More homes on Galaxy Dr

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Assigned schools

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