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Single Family ResidenceResidential
$523,415$235 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $376,600 on Jul 25, 2006

818 CALLISTO DR

MADISON, WI 53718
3
Beds
3 / 1
Baths
2,227 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
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

$523K
$448K low$599K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$376,600 · Jul 25, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,775 (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.$500,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$115,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$385,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$500,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$500,400

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.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.2010
Lot (acres)The size of the land the home sits on, from county records.0.32
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.Porch · 278 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 SchoolC+
Elementary · Grades PK–5 · 1.1 mi
H
LaFollette High SchoolD-
High · Grades 9–12 · 2.8 mi
M
Sennett Middle SchoolD-
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

818 Callisto 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 91% of homes in McClellan Park
  • Costs more per square foot than 67% of homes in Madison 53718
  • Bigger than 77% of homes in Madison 53718
  • Has a bigger lot than 90% of homes in McClellan Park
  • Newer than 92% 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
$205K$619K

This home is worth more than 91% 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$523,415
CheaperTypical $400,852Pricier

Pricier than 91% of homes nearby

Price per ft²$235
CheaperTypical $215Pricier

Pricier than 67% of homes nearby

Living area2,227 ft²
SmallerTypical 1,753 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.31 ac
SmallerTypical 0.2 acBigger

Bigger than 68% of homes nearby

Year built2006
OlderTypical 2005Newer

Newer than 66% of homes nearby

How 818 Callisto Dr ranks against every home in each area.
MeasureThis homeMcClellan ParkMadison 53718Dane County
Estimated valuepricier than$523,41591% of homes91% of homes68% of homes
Price per ft²pricier than$23566% of homes67% of homes44% of homes
Living areabigger than2,227 ft²70% of homes77% of homes76% of homes
Lot sizebigger than0.31 ac90% of homes68% of homes65% of homes
Year builtnewer than200642% of homes66% of homes92% of homes

About 818 Callisto Dr

How much is 818 Callisto Dr, Madison, WI worth?

The TopHap Estimate for 818 Callisto Dr, Madison, WI is $523,415 as of Oct 21, 2026. The likely range is $447,527 to $599,303. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 818 Callisto Dr, Madison, WI last sell?

818 Callisto Dr, Madison, WI last sold on Jul 25, 2006 for $376,600, according to the county's recorded deed.

How big is 818 Callisto Dr, Madison, WI?

818 Callisto Dr, Madison, WI has 3 bedrooms, 3 bathrooms, 2,227 square feet of living space and a 0.32-acre lot.

When was 818 Callisto Dr, Madison, WI built?

818 Callisto Dr, Madison, WI was built in 2006, making it 20 years old. It is a modern home. The building has 2 stories.

What schools serve 818 Callisto Dr, Madison, WI?

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

How does 818 Callisto Dr, Madison, WI compare to other homes in Madison 53718?

Among the 5,444 homes in Madison 53718, it is worth more than 91% of them ($523,415 against a typical $400,852), its price per square foot is higher than 67% of them ($235 against a typical $215), it is bigger than 77% of them (2,227 ft² against a typical 1,753 ft²), its lot is bigger than 68% of them (0.31 ac against a typical 0.2 ac) and it is newer than 66% of them (2006 against a typical 2005). Measured against all of Dane County, it is worth more than 68% 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 818 Callisto Dr, Madison, WI?

The 2024 property tax bill for 818 Callisto Dr, Madison, WI was $8,775. The county assessed it at $500,400.

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