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Single Family ResidenceResidential
$443,314$182 / 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 95How 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 $252,000 on Oct 3, 2017

621 COPERNICUS WAY

MADISON, WI 53718
3
Beds
3 / 1
Baths
2,439 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.
3,707 ft²
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
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

$443K
$420K low$467K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$252,000 · Oct 3, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,800 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$404,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$338,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$404,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$404,000

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.Modern
CountyDane
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.2008
Lot (acres)The size of the land the home sits on, from county records.0.09
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 71 ft²Patio · 71 ft²Porch · 156 ft²

Transaction History(1)

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
Elvehjem Elementary SchoolB
Elementary · Grades PK–5 · 1.1 mi
H
LaFollette High SchoolB-
High · Grades 9–12 · 2.8 mi
M
Sennett Middle SchoolC+
Middle · Grades 6–8 · 2.9 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53718These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.18,306
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.897 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,917
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,256
Average tempThe average temperature here across a full year.46°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%

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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 Copernicus Way 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 71% of homes in Madison 53718
  • Costs less per square foot than 91% of homes in Dane County
  • Bigger than 84% of homes in Madison 53718
  • Has a smaller lot than 95% of homes in Dane County
  • Newer than 89% of homes in Dane County

What homes are worth in Madison 53718

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

This home
$212K$627K

This home is worth more than 71% of homes in Madison 53718.

How it measures up in Madison 53718

The dot is this home. The mark in the middle is the typical home in Madison 53718.

Estimated value$443,314
CheaperTypical $400,193Pricier

Pricier than 71% of homes nearby

Price per ft²$182
CheaperTypical $217Pricier

Pricier than 15% of homes nearby

Living area2,439 ft²
SmallerTypical 1,752 ft²Bigger

Bigger than 84% of homes nearby

Lot size3,707 ft²
SmallerTypical 0.2 acBigger

Bigger than 8% of homes nearby

Year built2005
OlderTypical 2005Newer

Newer than 59% of homes nearby

How 621 Copernicus Way ranks against every home in each area.
MeasureThis homeMcClellan ParkMadison 53718Dane County
Estimated valuepricier than$443,31458% of homes71% of homes51% of homes
Price per ft²pricier than$18213% of homes15% of homes9% of homes
Living areabigger than2,439 ft²80% of homes84% of homes82% of homes
Lot sizebigger than3,707 ft²15% of homes8% of homes5% of homes
Year builtnewer than200537% of homes59% of homes89% of homes

About 621 Copernicus Way

How much is 621 Copernicus Way, Madison, WI worth?

The TopHap Estimate for 621 Copernicus Way, Madison, WI is $443,314 as of Sep 24, 2026. The likely range is $419,837 to $466,791. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 Copernicus Way, Madison, WI last sell?

621 Copernicus Way, Madison, WI last sold on Oct 3, 2017 for $252,000, according to the county's recorded deed.

How big is 621 Copernicus Way, Madison, WI?

621 Copernicus Way, Madison, WI has 3 bedrooms, 3 bathrooms, 2,439 square feet of living space and a 0.09-acre lot.

When was 621 Copernicus Way, Madison, WI built?

621 Copernicus Way, Madison, WI was built in 2005, making it 21 years old. It is a modern home. The building has 2 stories.

What schools serve 621 Copernicus Way, Madison, WI?

621 Copernicus Way, Madison, WI is assigned to Elvehjem Elementary School (elementary), rated B; LaFollette High School (high), rated B-; Sennett Middle School (middle), rated C+. All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 621 Copernicus Way, Madison, WI compare to other homes in Madison 53718?

Among the 5,426 homes in Madison 53718, it is worth more than 71% of them ($443,314 against a typical $400,193), its price per square foot is higher than 15% of them ($182 against a typical $217), it is bigger than 84% of them (2,439 ft² against a typical 1,752 ft²), its lot is bigger than 8% of them (3,707 ft² against a typical 0.2 ac) and it is newer than 59% of them (2005 against a typical 2005). Measured against all of Dane County, it is worth more than 51% 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 Copernicus Way, Madison, WI?

The 2024 property tax bill for 621 Copernicus Way, Madison, WI was $6,800. The county assessed it at $404,000.

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