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Single Family ResidenceResidential
$309,874$222 / 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 $285,000 on May 5, 2025

621 GREENDALE DR

JANESVILLE, WI 53546
3
Beds
2
Baths
1,396 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$310K
$288K low$332K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$285,000 · May 5, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,085 (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.$240,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$209,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$256,007

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.0.30
HeatingThe type of heating system in the home.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.Deck · 291 ft²Patio · 291 ft²Porch · 84 ft²

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
Harrison Elementary SchoolB+
Elementary · Grades KG–5 · 0.3 mi
M
Marshall Middle SchoolC+
Middle · Grades 6–8 · 0.6 mi
H
Craig High SchoolD+
High · Grades 9–12 · 1.4 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%

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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

621 Greendale 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 70% of homes in Rock County
  • Has a bigger lot than 71% of homes in Janesville 53546
  • Older than 68% of homes in Janesville 53546

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
$158K$570K

This home is worth more than 50% 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$309,874
CheaperTypical $309,756Pricier

Pricier than 50% of homes nearby

Price per ft²$222
CheaperTypical $220Pricier

Pricier than 52% of homes nearby

Living area1,396 ft²
SmallerTypical 1,364 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.3 ac
SmallerTypical 0.25 acBigger

Bigger than 71% of homes nearby

Year built1973
OlderTypical 1986Newer

Newer than 32% of homes nearby

How 621 Greendale Dr ranks against every home in each area.
MeasureThis homeJanesville 53546Rock County
Estimated valuepricier than$309,87450% of homes58% of homes
Price per ft²pricier than$22252% of homes70% of homes
Living areabigger than1,396 ft²52% of homes52% of homes
Lot sizebigger than0.3 ac71% of homes61% of homes
Year builtnewer than197332% of homes63% of homes

About 621 Greendale Dr

How much is 621 Greendale Dr, Janesville, WI worth?

The TopHap Estimate for 621 Greendale Dr, Janesville, WI is $309,874 as of Sep 24, 2026. The likely range is $288,223 to $331,525. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 Greendale Dr, Janesville, WI last sell?

621 Greendale Dr, Janesville, WI last sold on May 5, 2025 for $285,000, according to the county's recorded deed.

How big is 621 Greendale Dr, Janesville, WI?

621 Greendale Dr, Janesville, WI has 3 bedrooms, 2 bathrooms, 1,396 square feet of living space and a 0.30-acre lot.

When was 621 Greendale Dr, Janesville, WI built?

621 Greendale Dr, Janesville, WI was built in 1973, making it 53 years old. It is a ranch home. The building has 1 story.

What schools serve 621 Greendale Dr, Janesville, WI?

621 Greendale 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 621 Greendale Dr, Janesville, WI compare to other homes in Janesville 53546?

Among the 10,824 homes in Janesville 53546, it is worth more than 50% of them ($309,874 against a typical $309,756), its price per square foot is higher than 52% of them ($222 against a typical $220), it is bigger than 52% of them (1,396 ft² against a typical 1,364 ft²), its lot is bigger than 71% of them (0.3 ac against a typical 0.25 ac) and it is newer than 32% of them (1973 against a typical 1986). Measured against all of Rock County, it is worth more than 58% 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 621 Greendale Dr, Janesville, WI?

The 2025 property tax bill for 621 Greendale Dr, Janesville, WI was $4,085. The county assessed it at $240,800.

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