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Single Family ResidenceResidential
$620,067$401 / 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 93How 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 $529,900 on Jul 20, 2023

4131 SANDHILL DR

JANESVILLE, WI 53546
4
Beds
2
Baths
1,548 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.
2004
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$620K
$577K low$663K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$529,900 · Jul 20, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,277 (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.$507,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$479,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$539,656

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.2005
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
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 120 ft²Porch · 64 ft²

Transaction History(5)

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 · 0.9 mi
H
Milton High SchoolC+
High · Grades 9–12 · 4.0 mi
M
Milton Middle SchoolB+
Middle · Grades 7–8 · 4.5 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

4131 Sandhill 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.

  • Among the most valuable homes in Janesville 53546
  • Among the highest price per square foot in Janesville 53546
  • Bigger than 65% of homes in Janesville 53546
  • Newer than 93% 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
$153K$568K

This home is worth more than almost all 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$620,067
CheaperTypical $308,784Pricier

Pricier than almost all homes nearby

Price per ft²$401
CheaperTypical $220Pricier

Pricier than almost all homes nearby

Living area1,548 ft²
SmallerTypical 1,363 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.24 ac
SmallerTypical 0.25 acBigger

Bigger than 42% of homes nearby

Year built2004
OlderTypical 1986Newer

Newer than 88% of homes nearby

How 4131 Sandhill Dr ranks against every home in each area.
MeasureThis homeJanesville 53546Rock County
Estimated valuepricier than$620,067almost all homes96% of homes
Price per ft²pricier than$401almost all homesalmost all homes
Living areabigger than1,548 ft²65% of homes64% of homes
Lot sizebigger than0.24 ac42% of homes43% of homes
Year builtnewer than200488% of homes93% of homes

About 4131 Sandhill Dr

How much is 4131 Sandhill Dr, Janesville, WI worth?

The TopHap Estimate for 4131 Sandhill Dr, Janesville, WI is $620,067 as of Sep 24, 2026. The likely range is $576,704 to $663,430. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4131 Sandhill Dr, Janesville, WI last sell?

4131 Sandhill Dr, Janesville, WI last sold on Jul 20, 2023 for $529,900, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 4131 Sandhill Dr, Janesville, WI?

4131 Sandhill Dr, Janesville, WI has 4 bedrooms, 2 bathrooms, 1,548 square feet of living space and a 0.24-acre lot.

When was 4131 Sandhill Dr, Janesville, WI built?

4131 Sandhill Dr, Janesville, WI was built in 2004, making it 22 years old. It is a ranch home. The building has 1 story.

What schools serve 4131 Sandhill Dr, Janesville, WI?

4131 Sandhill 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 4131 Sandhill Dr, Janesville, WI compare to other homes in Janesville 53546?

Among the 10,824 homes in Janesville 53546, it is worth more than almost all of them ($620,067 against a typical $308,784), its price per square foot is higher than almost all of them ($401 against a typical $220), it is bigger than 65% of them (1,548 ft² against a typical 1,363 ft²), its lot is bigger than 42% of them (0.24 ac against a typical 0.25 ac) and it is newer than 88% of them (2004 against a typical 1986). Measured against all of Rock County, it is worth more than 96% 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 4131 Sandhill Dr, Janesville, WI?

The 2025 property tax bill for 4131 Sandhill Dr, Janesville, WI was $8,277. The county assessed it at $507,600.

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